{"id":14833,"date":"2026-07-07T08:36:24","date_gmt":"2026-07-07T08:36:24","guid":{"rendered":"https:\/\/tenessy.com\/?p=14833"},"modified":"2026-07-14T08:54:12","modified_gmt":"2026-07-14T08:54:12","slug":"hydrofobinen-uudelleen-dispergoituva-polymeerijauhe-kaytannossa","status":"publish","type":"post","link":"https:\/\/tenessy.com\/fi\/hydrofobinen-uudelleen-dispergoituva-polymeerijauhe-kaytannossa\/","title":{"rendered":"Kuivaseoslaastin vedenpit\u00e4vyyden ja l\u00e4p\u00e4isem\u00e4tt\u00f6myyden parantaminen jo valmistusvaiheessa"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14833\" class=\"elementor elementor-14833\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fdbc6e4 e-con-full e-flex e-con e-parent\" data-id=\"fdbc6e4\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-105ebe2 elementor-widget elementor-widget-image\" data-id=\"105ebe2\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-1024x683.jpg\" class=\"attachment-large size-large wp-image-14853\" alt=\"Kuivaseoslaasti-RDP\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-1024x683.jpg 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-300x200.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-768x512.jpg 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-1536x1024.jpg 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-2048x1365.jpg 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/Dry-Mix-Mortar-RDP-18x12.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e0d9856 elementor-widget elementor-widget-heading\" data-id=\"e0d9856\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Johdanto<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5ae54ec elementor-widget elementor-widget-text-editor\" data-id=\"5ae54ec\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Rakennusten vuotaminen on krooninen laatuvika ja merkitt\u00e4v\u00e4 uhka asukkaiden tyytyv\u00e4isyydelle. Monissa korjaustapauksissa veden tunkeutumisen reitti ei useinkaan ole rakenteellisissa halkeamissa, vaan pikemminkin rakenteeseen luonnostaan kuuluvissa kapillaariyhteyksiss\u00e4, kuivumiskutistumishalkeamissa tai rajapintojen tarttuvuusongelmissa\u00a0<\/span><a href=\"https:\/\/tenessy.com\/applications\/drymix-mortar\/\"><strong><span class=\"\">kuivasekoituslaasti<\/span><\/strong><\/a><span class=\"\">\u00a0itse. Perinteiset torjuntatoimenpiteet perustuvat vedenpit\u00e4vien pinnoitteiden k\u00e4ytt\u00f6\u00f6n tai sementtipitoisuuden lis\u00e4\u00e4miseen. Ensimm\u00e4inen vaihtoehto lis\u00e4\u00e4 kuitenkin valmistusvaiheita ja kustannuksia, kun taas j\u00e4lkimm\u00e4inen lis\u00e4\u00e4 kutistumisriski\u00e4. Keskeinen kysymys on:\u00a0<\/span><strong><span class=\"\">Onko laastilla riitt\u00e4v\u00e4n kest\u00e4v\u00e4 luontainen vedenpit\u00e4vyys ja l\u00e4p\u00e4isem\u00e4tt\u00f6myys?<\/span><\/strong><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Hydrofobinen uudelleen dispergoituva polymeerijauhe<\/span><\/strong><span class=\"\">\u00a0siirt\u00e4\u00e4 vedeneristysominaisuuden \u201cpintak\u00e4sittelyst\u00e4\u201d \u201cmateriaalin kiinte\u00e4ksi ominaisuudeksi\u201d. Kyseess\u00e4 ei ole pelkk\u00e4 lis\u00e4aine, vaan materiaalin perustavanlaatuinen toiminnallinen uudelleenj\u00e4rjestely, jossa\u00a0<\/span><strong><span class=\"\">kuivasekoituslaasti<\/span><\/strong><span class=\"\">\u00a0mikrorakenteellisella tasolla. T\u00e4ss\u00e4 artikkelissa hy\u00f6dynnet\u00e4\u00e4n vuosien k\u00e4yt\u00e4nn\u00f6n kokemusta formulaatioista ja kuvataan j\u00e4rjestelm\u00e4llisesti, kuinka hydrofobiset jauheet muodostavat ensisijaisen suojan veden tunkeutumista vastaan\u00a0<\/span><strong><span class=\"\">muuraus-, rappaus-, korjaus- ja koristelaastit<\/span><\/strong><span class=\"\">, jo materiaalin koostumuksesta l\u00e4htien.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bbece77 elementor-widget elementor-widget-heading\" data-id=\"bbece77\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">I. Hydrofobisten polymeerijauheiden uudelleenarviointi<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-025f6db elementor-widget elementor-widget-image\" data-id=\"025f6db\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-1024x683.webp\" class=\"attachment-large size-large wp-image-14852\" alt=\"redispersible-Polymer-Powder-Product\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-1024x683.webp 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-300x200.webp 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-768x512.webp 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-1536x1024.webp 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-2048x1365.webp 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/07\/redispersible-Polymer-Powder-Product-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-740e220 elementor-widget elementor-widget-text-editor\" data-id=\"740e220\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\"><strong><a href=\"https:\/\/tenessy.com\/products\/redispersible-polymer-powder\/\">Uudelleen dispergoituvat polymeerijauheet<\/a><\/strong> k\u00e4ytet\u00e4\u00e4n laajalti\u00a0<\/span><strong><span class=\"\">kuivaseoslaastit<\/span><\/strong><span class=\"\">, mutta niiden toiminnallinen rooli m\u00e4\u00e4ritell\u00e4\u00e4n usein suppeasti \u201csideaineen tehostajaksi\u201d. Todellisuudessa polymeerijauheet luokitellaan pintapolariteetin perusteella hydrofiilisiin ja hydrofobisiin tyyppeihin. Perinteiset VAE-jauheet muodostavat suojaavan kolloidin (polyvinyylialkoholi) pitoisuutensa vuoksi kalvoja, jotka ovat herkki\u00e4 vedelle uudelleen dispergoituessaan \u2013 ne turpoavat ja jopa emulgoituvat uudelleen pitk\u00e4aikaisessa altistuksessa vedelle, mik\u00e4 johtaa suorituskyvyn merkitt\u00e4v\u00e4\u00e4n heikkenemiseen.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Hydrofobinen polymeerijauhe<\/span><\/strong><span class=\"\">\u00a0on funktionalisoitu polymeerijauhe, jota on modifioitu polymeroinnin aikana tai j\u00e4lkik\u00e4sittelyll\u00e4 sumutuskuivausprosessissa ja johon on lis\u00e4tty silaania, stearaattia tai fluoria sis\u00e4lt\u00e4vi\u00e4 hydrofobisia monomeereja. Sen tunnusomaisia ominaisuuksia ovat:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Pintaenergialtaan alhaisen kalvon muodostuminen<\/span><\/strong><span class=\"\">: Kun jauhe dispergoidaan uudelleen veteen ja vesi haihtuu kovettumisen aikana, jauhehiukkaset sulautuvat yhteen muodostaen kalvon, jonka kostuvuus veteen on eritt\u00e4in heikko, jolloin kosketuskulma on\u00a0<\/span><strong><span class=\"\">90\u00b0\u2013110\u00b0<\/span><\/strong><span class=\"\">;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Kapillaariporojen sein\u00e4mien hydrofobisointi<\/span><\/strong><span class=\"\">: Jauhehiukkaset ker\u00e4\u00e4ntyv\u00e4t ensisijaisesti sementtimatriisin kapillaaristen huokosten sein\u00e4miin ja kiviaineksen pintojen ymp\u00e4rille. Kovettuessaan ne muodostavat nanokokoisen hydrofobisen pinnoitteen, joka est\u00e4\u00e4 tehokkaasti kapillaarisen nousun;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Kemialliset kiinnittymisreaktiot<\/span><\/strong><span class=\"\">: Silaanilla modifioitujen jauheiden reaktiiviset ryhm\u00e4t (esim. -Si(OR)\u2083) k\u00e4yv\u00e4t l\u00e4pi hydrolyysin ja polykondensaation em\u00e4ksisess\u00e4 sementtilaastissa, jolloin ne muodostavat kovalenttisia sidoksia C-S-H-geelin kanssa. T\u00e4m\u00e4 varmistaa, ett\u00e4 hydrofobinen vaikutus on pysyv\u00e4 eik\u00e4 pelkk\u00e4 fysikaalinen \u201cpinnan \u00f6ljy\u00e4minen\u201d.\u201d<\/span><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0c8fd91 elementor-widget elementor-widget-heading\" data-id=\"0c8fd91\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">II.  Vedeneristyksen ja l\u00e4p\u00e4isem\u00e4tt\u00f6myyden taustalla oleva logiikka<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9d3e02e elementor-widget elementor-widget-text-editor\" data-id=\"9d3e02e\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Fysikokemiallisesta n\u00e4k\u00f6kulmasta kovettunut\u00a0<\/span><strong><span class=\"\">kuivasekoituslaasti<\/span><\/strong><span class=\"\">\u00a0on huokoinen aine, jonka huokosten s\u00e4teet ovat p\u00e4\u00e4asiassa\u00a0<\/span><strong><span class=\"\">0,01\u201310 \u03bcm<\/span><\/strong><span class=\"\">\u00a0alue. Paineen alaisena tapahtuva veden tunkeutuminen seuraa\u00a0<\/span><strong><span class=\"\">Darcyn laki<\/span><\/strong><span class=\"\">, jossa l\u00e4p\u00e4isevyys on verrannollinen huokoisuuteen ja huokosten s\u00e4teen neli\u00f6\u00f6n. Perinteiset menetelm\u00e4t l\u00e4p\u00e4isem\u00e4tt\u00f6myyden parantamiseksi \u2013 veden ja sementin suhteen pienent\u00e4minen tai ultrahienojen mineraalisten lis\u00e4aineiden lis\u00e4\u00e4minen \u2013 t\u00e4ht\u00e4\u00e4v\u00e4t pohjimmiltaan \u201chuokosten koon pienent\u00e4miseen\u201d, mutta ne eiv\u00e4t muuta huokosten sein\u00e4mien hydrofiilist\u00e4 luonnetta.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Hydrofobisen polymeerijauheen k\u00e4ytt\u00f6\u00f6notto nostaa vedeneristysstrategian \u201cfysikaalisesta tiivist\u00e4misest\u00e4\u201d kaksitahoiseen mekanismiin:\u00a0<\/span><strong><span class=\"\">\u201cfysikaalinen tiivistyminen + rajapinnan hydrofobisuus\u201d<\/span><\/strong><span class=\"\">\u00a0.<\/span><\/p><ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Kapillaarikanavia tukkiva polymeeriverkosto<\/span><\/strong><span class=\"\">: Kun sementti hydratoituu, jauhe muodostaa v\u00e4hitellen kalvon. T\u00e4m\u00e4 kolmiulotteinen polymeeriverkosto t\u00e4ytt\u00e4\u00e4 osan toisiinsa yhteydess\u00e4 olevista huokosista ja vaimentaa joustavuutensa ansiosta kuivumiskutistumisesta aiheutuvia j\u00e4nnityksi\u00e4, mik\u00e4 v\u00e4hent\u00e4\u00e4 mikrohalkeamien muodostumista.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Huokosten sein\u00e4mien pintaenergian muuntuminen<\/span><\/strong><span class=\"\">: Hydrofobiset ryhm\u00e4t j\u00e4rjestyv\u00e4t suunnatusti huokosten sein\u00e4pintoihin, mik\u00e4 alentaa kiinte\u00e4n aineen ja nesteen v\u00e4list\u00e4 rajapintaj\u00e4nnityst\u00e4 huomattavasti. Kun vett\u00e4 painetaan huokosten p\u00e4\u00e4lle, vesimolekyylit eiv\u00e4t pysty levitt\u00e4ytym\u00e4\u00e4n helposti hydrofobisten huokosten sein\u00e4mien yli. Kapillaaripaine muuttuu \u201cvetovoimasta\u201d \u201cvastusvoimaksi\u201d, mik\u00e4 nostaa l\u00e4p\u00e4isem\u00e4tt\u00f6myyspainetta merkitt\u00e4v\u00e4sti.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Rajapinnan siirtym\u00e4alueen (ITZ) vahvistaminen<\/span><\/strong><span class=\"\">: Aggregaatin ja sementtilaastin v\u00e4linen rajapinta on vuotojen kannalta heikko kohta. Hydrofobinen jauhe kertyy t\u00e4lle alueelle polymeeripitoisena kerroksena, mik\u00e4 sek\u00e4 alentaa paikallista vesi-sementtisuhdetta ett\u00e4 est\u00e4\u00e4 mikrohuokosten yhteyksi\u00e4 rajapinnalla \u2013 vaikutus, jota perinteisill\u00e4 mineraalit\u00e4yteaineilla ei voida saavuttaa.<\/span><\/p><\/li><\/ol><p class=\"ds-markdown-paragraph\"><span class=\"\">T\u00e4m\u00e4n mekanismin k\u00e4yt\u00e4nn\u00f6n vaikutukset ovat merkitt\u00e4v\u00e4t:\u00a0<\/span><strong><span class=\"\">vaikka laastiin syntyisikin hienoja halkeamia (\u22640,2 mm), vesi ei pysty tunkeutumaan sen l\u00e4pi ilman painetta tai vain v\u00e4h\u00e4isell\u00e4 paineella<\/span><\/strong><span class=\"\">, mik\u00e4 tarjoaa \u201ctoleranssimarginaalin\u201d rakenteen omalle vedeneristyskyvylle.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9b2cd0b e-flex e-con-boxed e-con e-parent\" data-id=\"9b2cd0b\" data-element_type=\"container\" data-settings=\"{&quot;ekit_has_onepagescroll_dot&quot;:&quot;yes&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-47b4288 elementor-widget elementor-widget-heading\" data-id=\"47b4288\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">III. K\u00e4yt\u00e4nn\u00f6n reseptisuunnittelun ja prosessinohjauksen perusteet<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a4a0041 elementor-widget elementor-widget-text-editor\" data-id=\"a4a0041\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Hydrofobisen polymeerijauheen lis\u00e4\u00e4minen\u00a0<\/span><strong><span class=\"\">kuivasekoituslaasti<\/span><\/strong><span class=\"\">\u00a0Tuotanto ei ole pelkk\u00e4\u00e4 perinteisen jauheen yksinkertaista korvaamista. Seuraavassa esitet\u00e4\u00e4n keskeisi\u00e4 periaatteita, jotka perustuvat vuosien mittaiseen tuotantokokemukseen teollisuusmittakaavassa:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-485f656 elementor-widget elementor-widget-heading\" data-id=\"485f656\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1. Annostuksen optimointi: \"Vedeneristyskyvyn ja lujuuden\" v\u00e4lisen tasapainon l\u00f6yt\u00e4minen<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d6890e8 elementor-widget elementor-widget-text-editor\" data-id=\"d6890e8\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Sementtipohjaisten j\u00e4rjestelmien osalta suositeltu hydrofobisen jauheen annostus on\u00a0<\/span><strong><span class=\"\">1,5%\u20134,5% sementtim\u00e4isen materiaalin kokonaism\u00e4\u00e4r\u00e4st\u00e4<\/span><\/strong><span class=\"\">:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Vedenkest\u00e4v\u00e4 rappauslaasti (luokka P6\u2013P8)<\/span><\/strong><span class=\"\">: Suositellaan arvoa 2,0%\u20133,0%. T\u00e4ll\u00e4 tasolla 28 p\u00e4iv\u00e4n vedenimukyky voidaan alentaa arvoon 6%\u20138%, jolloin puristuslujuuden heikkeneminen rajoittuu arvoon 8%;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Yksikomponenttinen vedeneristyslaasti (P10 ja sit\u00e4 korkeammat luokitukset)<\/span><\/strong><span class=\"\">: Suositellaan arvoa 3,5%\u20134,5%. Yhdistettyn\u00e4 sopivaan superplastisaattoriin 28 p\u00e4iv\u00e4n tiiviyspaine voi ylitt\u00e4\u00e4 1,2 MPa;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Koristemuurauslaasti ja saumauslaastit<\/span><\/strong><span class=\"\">: Suositellaan tuotetta 2.0%\u20132.5%, erityisesti sen effloresenssin ja lian kertymisen est\u00e4vien ominaisuuksien vuoksi.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><span class=\"\">On eritt\u00e4in t\u00e4rke\u00e4\u00e4 huomata, ett\u00e4 liian suuri hydrofobisen jauheen m\u00e4\u00e4r\u00e4 (&gt;5%) voi lis\u00e4t\u00e4 ilman sis\u00e4\u00e4np\u00e4\u00e4sy\u00e4, mik\u00e4 alentaa tiheytt\u00e4 ja heikent\u00e4\u00e4 tiiviytt\u00e4.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76e20f5 elementor-widget elementor-widget-heading\" data-id=\"76e20f5\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2. Lis\u00e4aineiden yhteensopivuus: Synergia on avaintekij\u00e4<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-31c40b7 elementor-widget elementor-widget-text-editor\" data-id=\"31c40b7\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Laastin vedeneristyslis\u00e4aineet<\/span><\/strong><span class=\"\">\u00a0eiv\u00e4t koskaan toimi erill\u00e4\u00e4n muista. Hydrofobinen jauhe on sovitettava tarkasti seuraavien komponenttien kanssa:<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><a href=\"https:\/\/tenessy.com\/products\/cellulose-ether\/\"><strong><span class=\"\">Selluloosaeetteri<\/span><\/strong><\/a><span class=\"\">: Se parantaa vedenpid\u00e4tyskyky\u00e4 ja sakeuttaa seosta, mik\u00e4 takaa jauheen tasaisen levi\u00e4misen ja kostumisen. Metyyliselluloosaeetterit kuitenkin v\u00e4hent\u00e4v\u00e4t seoksen pintaj\u00e4nnityst\u00e4, mik\u00e4 saattaa heikent\u00e4\u00e4 hydrofobista vaikutusta. Siksi,\u00a0<\/span><a href=\"https:\/\/tenessy.com\/products\/hec-hydroxyethyl-cellulose\/\"><strong><span class=\"\">hydroksietyyliselluloosa (HEC)<\/span><\/strong><\/a><span class=\"\">\u00a0tai muokattu\u00a0<\/span><a href=\"https:\/\/tenessy.com\/products\/hpmc-hydroxypropyl-methyl-cellulose\/\"><strong><span class=\"\">hydroksipropyylimetyyliselluloosa (HPMC)<\/span><\/strong><\/a><span class=\"\">\u00a0on suositeltavaa, annostus on s\u00e4\u00e4dett\u00e4v\u00e4 (\u22640,3%);<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Superplastisaattori<\/span><\/strong><span class=\"\">: <a href=\"https:\/\/tenessy.com\/products\/polycarboxylate-superplasticizer\/\">Polykarboksylaattipohjaiset superplastisaattorit<\/a> v\u00e4hent\u00e4\u00e4 veden tarvetta ja lis\u00e4\u00e4 tiheytt\u00e4, mik\u00e4 tuottaa my\u00f6nteisen synergiavaikutuksen hydrofobisen jauheen kanssa. Yhteensopivuustestaus jauheen kanssa on kuitenkin v\u00e4ltt\u00e4m\u00e4t\u00f6nt\u00e4;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><a href=\"https:\/\/tenessy.com\/products\/powder-defoamer\/\"><strong><span class=\"\">Vaahdonpoistoaine<\/span><\/strong><\/a><span class=\"\">: V\u00e4ltt\u00e4m\u00e4t\u00f6n. Sekoituksen aikana jauheen ja superplastisoijan vaikutuksesta syntyneet ilmakuplat voivat toimia veden \u201coikosulkuv\u00e4ylin\u00e4\u201d. Suositellaan jauhemaista vaahdonestoainetta pitoisuudella 0,1%\u20130,3%;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Ilmanottoaine<\/span><\/strong><span class=\"\">:\u00a0<\/span><strong><span class=\"\">K\u00e4yt\u00e4 varoen tai v\u00e4lt\u00e4 kokonaan<\/span><\/strong><span class=\"\">. Tuotteeseen sekoittuneet haitalliset suuret huokoset kumovat hydrofobisen jauheen huokosia tukkivat ominaisuudet.<\/span><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d6bfd3 elementor-widget elementor-widget-heading\" data-id=\"8d6bfd3\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3. Tuotannon ja rakentamisen mukautettavuus<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3db5f89 elementor-widget elementor-widget-text-editor\" data-id=\"3db5f89\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Sekoituksen tasaisuus<\/span><\/strong><span class=\"\">: Koska annos on pieni, a\u00a0<\/span><strong><span class=\"\">esiseos<\/span><\/strong><span class=\"\">\u00a0T\u00e4m\u00e4 vaihe on pakollinen. Sekoita jauhe kuivana sementin ja hiekan kanssa v\u00e4hint\u00e4\u00e4n 120 sekuntia, jotta varmistetaan mikroskooppisen tasainen jakautuminen ja v\u00e4ltet\u00e4\u00e4n paikallisia paakkuuntumisia tai aineen puutteita;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Veden kysynn\u00e4n herkkyys<\/span><\/strong><span class=\"\">: Hydrofobinen j\u00e4rjestelm\u00e4 on eritt\u00e4in herkk\u00e4 vesipitoisuudelle. Sekoitusveden m\u00e4\u00e4r\u00e4n kasvu 5%:ll\u00e4 voi alentaa tiiviysluokkaa 1\u20132 tasoa. Tiukka\u00a0<\/span><strong><span class=\"\">vesi-sementtisuhteen s\u00e4\u00e4t\u00f6<\/span><\/strong><span class=\"\">\u00a0on valvottava paikan p\u00e4\u00e4ll\u00e4, mieluiten automaattisten vedenmittauslaitteiden avulla;<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Kovettumisolosuhteet<\/span><\/strong><span class=\"\">: Alkuvaiheen kosteuskovettuminen on edelleen v\u00e4ltt\u00e4m\u00e4t\u00f6nt\u00e4. Sementin hydraatio vaatii riitt\u00e4v\u00e4sti vett\u00e4; kostean ymp\u00e4rist\u00f6n yll\u00e4pit\u00e4minen ensimm\u00e4isten kolmen p\u00e4iv\u00e4n ajan mahdollistaa hydrofobisen kalvon vedenhylkiv\u00e4n vaikutuksen t\u00e4yden kehittymisen. Liian aikainen veden haihtuminen johtaa puutteelliseen kalvonmuodostukseen ja riitt\u00e4m\u00e4tt\u00f6m\u00e4\u00e4n sementin hydraatioon.<\/span><\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20894c7 elementor-widget elementor-widget-heading\" data-id=\"20894c7\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">IV. Tyypilliset k\u00e4ytt\u00f6kohteet ja eriytetyt suorituskykyvaatimukset<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c80091a elementor-widget elementor-widget-text-editor\" data-id=\"c80091a\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Erilainen\u00a0<\/span><strong><span class=\"\">kuivasekoituslaasti<\/span><\/strong><span class=\"\">\u00a0N\u00e4ill\u00e4 tyypeill\u00e4 on erilaiset suorituskykyvaatimukset hydrofobisuuden suhteen, mik\u00e4 edellytt\u00e4\u00e4 r\u00e4\u00e4t\u00e4l\u00f6ity\u00e4 formulaatiomenetelm\u00e4\u00e4:<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u2460 Ulkok\u00e4ytt\u00f6\u00f6n tarkoitettu vedenkest\u00e4v\u00e4 rappauslaasti<\/span><\/strong><br \/><span class=\"\">Keskeiset vaatimukset: alhainen vedenimukyky + korkea tartuntalujuus + pakkasenkest\u00e4vyys. T\u00e4llaisissa koostumuksissa hydrofobista jauhetta tulisi yhdist\u00e4\u00e4 sopiviin kuituihin (polypropeeni tai lignoselluloosa) halkeamankest\u00e4vyyden parantamiseksi. Testitulokset osoittavat, ett\u00e4 25 pakkas-sulatusjakson j\u00e4lkeen hydrofobisesti modifioitujen koostumusten puristuslujuuden menetys on noin 60% pienempi kuin vertailukohteessa.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u2461 <a href=\"https:\/\/tenessy.com\/applications\/tile-adhesive\/\">Laattaliimat<\/a> ja laastit (m\u00e4rk\u00e4asennus)<\/span><\/strong><br \/><span class=\"\">T\u00e4rkeimm\u00e4t vaatimukset: suolakerrostumien ehk\u00e4isy + vedenkest\u00e4vyys. Suolakerrostumia syntyy, kun liukoiset suolat kulkeutuvat veden mukana pintaan ja kiteytyv\u00e4t. Hydrofobinen jauhe est\u00e4\u00e4 veden jatkuvan kulun, mik\u00e4 v\u00e4hent\u00e4\u00e4 huomattavasti suolakerrostumien muodostumisen riski\u00e4. Valkoisissa laasteissa hydrofobinen modifiointi alentaa veden imeytymiskyvyn arvoon \u22643% ja parantaa merkitt\u00e4v\u00e4sti tahrankest\u00e4vyytt\u00e4.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u2462 Korjauslaastit (ohutkerroksiset ja rakenteelliset)<\/span><\/strong><br \/><span class=\"\">Keskeiset vaatimukset: rajapinnan tarttuvuus ja l\u00e4p\u00e4isem\u00e4tt\u00f6myyden yhteisvaikutus. Korjauskerroksen ja vanhan betonialustan v\u00e4linen rajapinta on heikoin kohta. Hydrofobisen jauheen rajapinnalle muodostama polymeerikalvo est\u00e4\u00e4 samanaikaisesti veden tunkeutumisen ja vaimentaa kutistumisj\u00e4nnityst\u00e4, mik\u00e4 est\u00e4\u00e4 kerrosten irtoamisen ja irtautumisen.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u2463 Vedenkest\u00e4v\u00e4t tasoitteet ja koristemuurauslaastit<\/span><\/strong><br \/><span class=\"\">Keskeiset vaatimukset: pinnan hydrofobisuus + h\u00f6yrynl\u00e4p\u00e4isevyys. Ulkopuolisten koristekerrosten on oltava \u201culkopuolelta vedenpit\u00e4vi\u00e4 mutta sis\u00e4puolelta hengitt\u00e4vi\u00e4\u201d. Hydrofobisella jauheella modifioidut koristemortit voivat s\u00e4ilytt\u00e4\u00e4 vesih\u00f6yrynl\u00e4p\u00e4isykertoimen, joka on\u00a0<\/span><strong><span class=\"\">\u22652,5\u00d710\u207b\u2076 g\/(m\u00b7s\u00b7Pa)<\/span><\/strong><span class=\"\">, jolloin sis\u00e4puolinen kosteus p\u00e4\u00e4see poistumaan tehokkaasti ja est\u00e4\u00e4 pintakerroksen kuplimista tai irtoamista.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-27e8afe elementor-widget elementor-widget-heading\" data-id=\"27e8afe\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">V. Suorituskyvyn todentaminen ja laadunvalvontaj\u00e4rjestelm\u00e4t<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33c8404 elementor-widget elementor-widget-text-editor\" data-id=\"33c8404\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">K\u00e4yt\u00e4nn\u00f6n sovellusten arvon on perustuttava empiirisiin tietoihin. Tehtaan rutiinitarkastuksissa ja paikan p\u00e4\u00e4ll\u00e4 suoritettavissa laaduntarkastuksissa, jotka koskevat\u00a0<\/span><strong><span class=\"\">kuivasekoituslaasti<\/span><\/strong><span class=\"\">, seuraavia mittareita tulisi asettaa etusijalle:<\/span><\/p><div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\"><table><thead><tr><th><span class=\"\">Testikohde<\/span><\/th><th><span class=\"\">Testausstandardi<\/span><\/th><th><span class=\"\">Hydrofobisesti modifioitu pass-linja (viite)<\/span><\/th><\/tr><\/thead><tbody><tr><td><span class=\"\">24 tunnin veden imeytyminen<\/span><\/td><td><span class=\"\">JC\/T 984<\/span><\/td><td><span class=\"\">\u22645% (vedenkest\u00e4v\u00e4 malli) \/ \u22648% (rappausmalli)<\/span><\/td><\/tr><tr><td><span class=\"\">Tiiviyspaine (28 p\u00e4iv\u00e4\u00e4)<\/span><\/td><td><span class=\"\">GB\/T 18445<\/span><\/td><td><span class=\"\">\u22650,8 MPa (P8-luokka)<\/span><\/td><\/tr><tr><td><span class=\"\">Vetolujuus (alkuper\u00e4inen)<\/span><\/td><td><span class=\"\">JC\/T 547<\/span><\/td><td><span class=\"\">\u22650,7 MPa<\/span><\/td><\/tr><tr><td><span class=\"\">Pehmentymiskerroin<\/span><\/td><td><span class=\"\">GB\/T 4111<\/span><\/td><td><span class=\"\">\u22650,85<\/span><\/td><\/tr><\/tbody><\/table><\/div><p class=\"ds-markdown-paragraph\"><span class=\"\">Lis\u00e4ksi,\u00a0<\/span><strong><span class=\"\">kosketuskulman mittaus<\/span><\/strong><span class=\"\">\u00a0ja\u00a0<\/span><strong><span class=\"\">kapillaarisen veden imeytymisnopeus<\/span><\/strong><span class=\"\">\u00a0ovat kaksi herkki\u00e4 mikrotason indikaattoria, jotka kuvaavat hydrofobista tehokkuutta ja stabiilisuutta. Niiden sis\u00e4llytt\u00e4mist\u00e4 rutiininomaisiin laadunvalvontamenettelyihin suositellaan.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Yksinkertainen laadullinen arviointi paikan p\u00e4\u00e4ll\u00e4: Levit\u00e4 vesipisara kovettuneen laastipinnan p\u00e4\u00e4lle. Jos pisara muodostaa puolipallomaisen pisaran ja vierii pois kastelematta pintaa, hydrofobinen muokkaus on tehokas. Sit\u00e4 vastoin, jos pisara levi\u00e4\u00e4 ja imeytyy nopeasti, se viittaa mahdollisiin ongelmiin jauheen annostelussa, dispergoinnin tasaisuudessa tai vesipitoisuuden hallinnassa.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8fadd9 elementor-widget elementor-widget-heading\" data-id=\"d8fadd9\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">P\u00e4\u00e4telm\u00e4<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6cac3e9 elementor-widget elementor-widget-text-editor\" data-id=\"6cac3e9\" data-element_type=\"widget\" data-settings=\"{&quot;ekit_we_effect_on&quot;:&quot;none&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><span class=\"\">Parannetaan vedenpit\u00e4vyytt\u00e4 ja l\u00e4p\u00e4isem\u00e4tt\u00f6myytt\u00e4\u00a0<\/span><strong><span class=\"\">kuivasekoituslaasti<\/span><\/strong><span class=\"\">\u00a0ei pit\u00e4isi luottaa j\u00e4lkik\u00e4teen levitett\u00e4viin kalvop\u00e4\u00e4llysteisiin \u201cturvaverkkona\u201d, vaan pikemminkin toiminnallisten ominaisuuksien sis\u00e4llytt\u00e4miseen jo koostumuksen suunnitteluvaiheessa. Hydrofobinen, uudelleen dispergoituva polymeerijauhe, jonka synergistisen vaikutuksen kautta\u00a0<\/span><strong><span class=\"\">fysikaalinen kalvonmuodostus, kemiallinen kiinnittyminen ja rajapinnan muokkaus<\/span><\/strong><span class=\"\">, antaa laastille pitk\u00e4kestoisen ja luotettavan itsest\u00e4\u00e4n tiivistyv\u00e4n ominaisuuden ilman, ett\u00e4 rakentamisen helppous k\u00e4rsii. Se ei ole pelk\u00e4st\u00e4\u00e4n tekninen vaihtoehto suorituskyvyn parantamiseksi, vaan my\u00f6s perustavanlaatuinen muutos tuotefilosofiassa \u2013 siirtyminen \u201cpassiivisesta korjauksesta\u201d \u201caktiiviseen tiiviyteen\u201d.\u201d<\/span><\/p><p class=\"ds-markdown-paragraph\"><a href=\"https:\/\/tenessy.com\/hpmc-supplier\/\"><strong><span class=\"\">TENESSY<\/span><\/strong><\/a><span class=\"\">\u00a0on sitoutunut edist\u00e4m\u00e4\u00e4n\u00a0<\/span><strong><span class=\"\">laastin vedeneristyslis\u00e4aineet<\/span><\/strong><span class=\"\">. Tarjoamme paitsi korkealaatuisia hydrofobisia polymeerijauheita my\u00f6s kattavia ratkaisuja, jotka k\u00e4sitt\u00e4v\u00e4t tuotekoostumuksen suunnittelun, prosessin mukauttamisen ja tuotannon laadunvalvonnan. Muutoksen toteuttaminen jo alkul\u00e4hteell\u00e4 on ainoa tapa varmistaa, ett\u00e4 jokainen er\u00e4\u00a0<\/span><strong><span class=\"\">kuivasekoituslaasti<\/span><\/strong><span class=\"\">\u00a0kest\u00e4\u00e4 sek\u00e4 veden ett\u00e4 ajan koettelemukset.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Monissa korjaustapauksissa veden tunkeutumisen reitti ei useinkaan ole rakenteellisissa halkeamissa, vaan pikemminkin materiaalin ominaisessa kapillaarisen yhteyden muodostumassa, kuivumiskutistumisen aiheuttamissa halkeamissa tai kuivaseoslaastin sis\u00e4isiss\u00e4 rajapintaliitosten pett\u00e4misiss\u00e4.<\/p>","protected":false},"author":1,"featured_media":14853,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[35],"tags":[],"class_list":["post-14833","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Enhancing Waterproofing and Impermeability of Dry-Mix Mortar from the Source - TENESSY Chemical<\/title>\n<meta name=\"description\" content=\"Through the dual mechanisms of physical film formation and chemical anchoring, hydrophobic redispersible polymer powder endows waterproof plastering mortars, grouts, and repair mortars with 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