{"id":14752,"date":"2026-06-08T09:04:48","date_gmt":"2026-06-08T09:04:48","guid":{"rendered":"https:\/\/tenessy.com\/?p=14752"},"modified":"2026-06-08T09:04:49","modified_gmt":"2026-06-08T09:04:49","slug":"how-to-choose-between-flake-and-powder-polycarboxylate-a-practical-selection-guide-for-ready-mix-plants-and-mortar-plants","status":"publish","type":"post","link":"https:\/\/tenessy.com\/nl\/hoe-kies-je-tussen-polycarboxylaat-in-vlokken-of-in-poedervorm-een-praktische-keuzegids-voor-kant-en-klare-betoncentrales-en-mortelcentrales\/","title":{"rendered":"Hoe kies je tussen polycarboxylaat in vlokken of in poedervorm? Een praktische keuzegids voor kant-en-klare betoncentrales en mortelcentrales"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"14752\" class=\"elementor elementor-14752\" 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=\"445\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/concrete.png\" class=\"attachment-large size-large wp-image-14768\" alt=\"beton\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/concrete.png 896w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/concrete-300x167.png 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/concrete-768x427.png 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/concrete-18x10.png 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\">Inleiding<\/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=\"\">Op het gebied van betonadditieven fungeert polycarboxylaatether (PCE) als superplastificeerder en vormt het de kerncomponent van hoogwaardige waterreducerende middelen; het gebruik van PCE-producten in vaste vorm raakt steeds meer ingeburgerd. Momenteel zijn de twee belangrijkste soorten vaste PCE-producten op de markt vlokken (PCE-vlokken) en poeders (meestal geproduceerd via sproeidrogen). Voor fabrieken voor kant-en-klaar beton (RMC) en <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/tenessy.com\/applications\/drymix-mortar\/\">droge mortel<\/a><\/span> Bij planten heeft de materiaalkeuze niet alleen invloed op de kostenbeheersing, maar ook rechtstreeks op de prestatiestabiliteit van het product en de compatibiliteit met bestaande productieprocessen.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">In dit artikel worden de technische verschillen tussen PCE in vlokkenvorm en in poedervorm vanuit vier invalshoeken vergeleken: fysisch-chemische eigenschappen, principes van het productieproces, compatibiliteit bij het samenstellen van mengsels en toepassingsscenario\u2019s. Daarnaast wordt een besluitvormingskader geboden dat is gebaseerd op daadwerkelijke productieomstandigheden.<\/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. Verschillen in bereidingsprocessen en fysisch-chemische parameters<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7df1793 elementor-widget elementor-widget-image\" data-id=\"7df1793\" 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\/06\/Polycarboxylate-superplasticizers-1024x683.jpg\" class=\"attachment-large size-large wp-image-14758\" alt=\"Polycarboxylaat-superweekmakers\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-1024x683.jpg 1024w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-300x200.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-768x512.jpg 768w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-1536x1024.jpg 1536w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-2048x1365.jpg 2048w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/Polycarboxylate-superplasticizers-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-40c4e82 elementor-widget elementor-widget-heading\" data-id=\"40c4e82\" 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.  PCE-poeder: procesroute via sproeidrogen<\/h3>\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=\"\"><a href=\"https:\/\/tenessy.com\/products\/polycarboxylate-superplasticizer\/\">PCE-poeder<\/a> wordt doorgaans geproduceerd door\u00a0<\/span><strong><span class=\"\">sproeidrogen<\/span><\/strong><span class=\"\">\u00a0vloeibare PCE-moederloog. Bij dit proces wordt het vloeibare materiaal door een centrifugaalverstuiver in fijne druppeltjes verdeeld, waarna het water in een hete luchtstroom snel wordt verdampt, waardoor een poederproduct ontstaat.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Typische technische parameters:<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Uiterlijk: Wit of lichtgeel poeder<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Fijnheid: Rest op een zeef met vierkante mazen van 0,315 mm (40 mesh) \u2264 10%<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Gehalte aan vaste stoffen: \u2265 98%<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Volumieke gewicht: ongeveer 400\u2013600 kg\/m\u00b3<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Proceskenmerken en materiaalbeperkingen:<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Het sproeidroogproces vereist hoge temperaturen (inlaatluchttemperatuur doorgaans 180\u2013250 \u00b0C), wat kan leiden tot een zekere mate van thermische afbraak van de PCE-molecuulketens, met als gevolg een afname van de waterafbraaksnelheid van ongeveer 3\u20138% in vergelijking met de vloeibare moederloog.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Door het grote specifieke oppervlak en de hoge oppervlakte-energie van het fijne poeder is het zeer gevoelig voor vochtopname. Er treedt een aanzienlijke neiging tot klontering op wanneer de relatieve luchtvochtigheid hoger is dan 60%.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Fijne poeders brengen risico\u2019s met zich mee op elektrostatische oplading en stofexplosies (met een relatief lage minimale ontstekingsenergie) tijdens pneumatisch transport en in omgevingen met veel stof.<\/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-7109cfc elementor-widget elementor-widget-heading\" data-id=\"7109cfc\" 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.  Flake PCE: bulkpolymerisatie \/ extrusiegranulatieproces<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1f8c240 elementor-widget elementor-widget-image\" data-id=\"1f8c240\" 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=\"720\" height=\"540\" src=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/pce-superplasticizer-flake.jpg\" class=\"attachment-large size-large wp-image-14769\" alt=\"\" srcset=\"https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/pce-superplasticizer-flake.jpg 720w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/pce-superplasticizer-flake-300x225.jpg 300w, https:\/\/tenessy.com\/wp-content\/uploads\/2026\/06\/pce-superplasticizer-flake-16x12.jpg 16w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/>\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-c7729ed elementor-widget elementor-widget-text-editor\" data-id=\"c7729ed\" 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=\"\"><span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/tenessy.com\/products\/polycarboxylate-superplasticizer-flake\/\">Flake PCE<\/a><\/span> wordt doorgaans geproduceerd door\u00a0<\/span><strong><span class=\"\">bulkpolymerisatie<\/span><\/strong><span class=\"\">\u00a0of\u00a0<\/span><strong><span class=\"\">hot-melt-extrusie<\/span><\/strong><span class=\"\">\u00a0processen. De productiereeks omvat: directe polymerisatie van monomeermengsels onder oplosmiddelvrije omstandigheden om een polymeersmelt met hoge viscositeit te verkrijgen, gevolgd door extrusie, kalanderen, koelen en vermalen om onregelmatige vlokvormige deeltjes te verkrijgen.<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Typische technische parameters:<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Uiterlijk: Doorschijnende of gebroken witte, onregelmatige, dunne vlokken<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Deeltjesgrootteverdeling: lengte doorgaans tussen 2 en 8 mm, dikte \u2264 1 mm<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Actief gehalte: \u2265 98% (met een lager gehalte aan restmonomeren dan bij gesproeidroogde producten)<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Volumieke gewicht: ongeveer 550\u2013700 kg\/m\u00b3<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Proceskenmerken en materiaalvoordelen:<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Het productieproces omvat geen droogfasen bij hoge temperaturen, waardoor de integriteit van de moleculaire structuur behouden blijft. De waterverwijderingssnelheid komt in wezen overeen met die van de vloeibare moederloog.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Regelmatige deeltjesgeometrie en superieure strooibaarheid in vergelijking met fijne poeders; geringe stofontwikkeling en stabiele prestaties in pneumatische transportsystemen.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><span class=\"\">Aanzienlijk lagere vochtopname in vergelijking met poederproducten. Na 30 dagen opslag bij een relatieve vochtigheid van 70% is er geen duidelijke klontervorming waargenomen.<\/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.  Compatibiliteitsanalyse met productie-mengprocessen<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57a3cf5 elementor-widget elementor-widget-text-editor\" data-id=\"57a3cf5\" 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\">Een belangrijk criterium bij de materiaalkeuze is de gelijkmatigheid van het mengen en de doseernauwkeurigheid van het vaste PCE binnen de bestaande productiewerkprocessen van de RMC-fabriek of mortelfabriek.<\/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-beb8d88 elementor-widget elementor-widget-heading\" data-id=\"beb8d88\" 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.  Compatibiliteitslogica voor kant-en-klaar betoncentrales (natmengsel \/ commercieel beton)<\/h3>\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=\"\">De gebruikelijke procesvolgorde voor een RMC-installatie is: toeslagstoffen \u2192 cement \/ aanvullende cementachtige materialen \u2192 water \u2192 toevoeging van hulpstoffen. RMC-installaties zijn doorgaans uitgerust met opslagtanks voor vloeibare hulpstoffen en doseersystemen.<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Nadelen van PCE in poedervorm in dit scenario<\/span><\/strong><span class=\"\">: Poeder neemt gemakkelijk vocht op en klontert, waardoor schroeftransporteurs of pneumatische transportleidingen kunnen verstoppen. Bovendien kan er veel stof vrijkomen, wat kan leiden tot te hoge PM10-concentraties in de werkomgeving.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Voordelen van PCE in vlokvorm in dit scenario<\/span><\/strong><span class=\"\">: Dankzij hun strooibaarheid en consistente deeltjesgrootte zijn vlokproducten geschikt voor doseersystemen voor vaste toevoegingen. RMC-installaties kunnen de vlokken in een premix-tank oplossen om een vloeibare toevoeging te produceren, of ze rechtstreeks aan de menger toevoegen. Vanwege het hoge gehalte aan werkzame stof in vlokproducten (in vergelijking met vloeibare 20%-concentraat) worden de transportkosten met ongeveer 75% verlaagd, waardoor ze bijzonder geschikt zijn voor transport over middellange tot lange afstanden en voor mobiele RMC-installaties die niet zijn uitgerust met opslagtanks voor vloeistoffen.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Aanbeveling<\/span><\/strong><span class=\"\">: Voor RMC-installaties die al zijn uitgerust met een toevoeropening voor vaste toeslagstoffen, verdient PCE in vlokken de voorkeur. Bij installaties die alleen vloeibare toeslagstoffen kunnen verwerken, moet PCE in vlokken ter plaatse worden opgelost en gereconstitueerd voordat het wordt gebruikt.<\/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-b651205 elementor-widget elementor-widget-heading\" data-id=\"b651205\" 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.  Compatibiliteitslogica voor mortelfabrieken (droogmengselmortel)<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-38d3ec4 elementor-widget elementor-widget-text-editor\" data-id=\"38d3ec4\" 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=\"\">De belangrijkste vereiste voor de productie van droogmengmortel is de gelijkmatige verspreiding van het poedersysteem. De meest voorkomende soorten apparatuur zijn tweassige schoepenmengers of lintmengers, waarbij de gemengde materialen bestaan uit cement, gesorteerd zand, minerale toevoegingen en vaste toevoegingen.<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Voordelen van PCE-poeder in dit scenario<\/span><\/strong><span class=\"\">: De deeltjesgrootteverdeling van PCE-poeder (D50 ongeveer 100\u2013300 \u03bcm) komt dicht in de buurt van die van cementdeeltjes (D50 ongeveer 15\u201330 \u03bcm) en fijn zand (\u2264 600 \u03bcm). Dit zorgt voor een microscopisch gelijkmatige verdeling tijdens de voormengfase, waardoor segregatie wordt voorkomen. Voor toepassingen met strenge eisen aan de homogeniteit \u2013 zoals tegellijmen, zelfnivellerende mengsels en voegmiddelen \u2013 is PCE-poeder de standaard en door de industrie goedgekeurde keuze.<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Nadelen van PCE in vlokvorm in dit scenario<\/span><\/strong><span class=\"\">: De geometrische afmetingen van schilferdeeltjes (\u2265 2 mm) zijn aanzienlijk groter dan die van andere vaste bestanddelen in het mortelsysteem. Tijdens het mengen en het transport zijn schilferdeeltjes, als gevolg van trillingen en verschillen in deeltjesgrootte, gevoelig voor\u00a0<\/span><strong><span class=\"\">segregatie<\/span><\/strong><span class=\"\">\u00a0\u2014 grotere deeltjes rollen eraf en hopen zich op aan de randen of op de bodem van de materiaalstapel, waardoor het gehalte aan superplastificeerder van zak tot zak ongelijkmatig is. In de praktijk uit segregatie zich in verschillen in vloeibaarheid van meer dan 20 mm binnen dezelfde partij, of in ernstige kwaliteitsproblemen zoals plaatselijke vertraging van de uitharding of plaatselijke uitblijvende uitharding.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Conclusie<\/span><\/strong><span class=\"\">: Bij de productie van dunbedmortels (bijv. tegellijmen, pleistermortels) of zeer vloeibare mortels (bijv. zelfnivellerende mengsels) moeten mortelfabrieken PCE in poedervorm gebruiken. Vlokproducten mogen in dit geval niet als vervanging worden gebruikt.<\/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. Storage, Transport, and Cost Comparison<\/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<table><thead><tr><th><span class=\"\">Parameter<\/span><\/th><th><span class=\"\">PCE-poeder<\/span><\/th><th><span class=\"\">Flake PCE<\/span><\/th><\/tr><\/thead><tbody><tr><td><span class=\"\">Verpakking<\/span><\/td><td><span class=\"\">25 kg moisture-proof woven bag (with inner PE liner) or 1 ton moisture-proof ton bag<\/span><\/td><td><span class=\"\">25 kg woven bag or ton bag; lower inner liner requirement than powder<\/span><\/td><\/tr><tr><td><span class=\"\">Storage conditions<\/span><\/td><td><span class=\"\">Cool and dry, relative humidity \u2264 50%, stacking height \u2264 8 layers<\/span><\/td><td><span class=\"\">Relative humidity \u2264 70%, stacking height \u2264 10 layers<\/span><\/td><\/tr><tr><td><span class=\"\">Shelf life (dry environment)<\/span><\/td><td><span class=\"\">6 months (caking risk increases significantly beyond this period)<\/span><\/td><td><span class=\"\">12 months or more<\/span><\/td><\/tr><tr><td><span class=\"\">Transport cost per unit active content (compared to 20% liquid)<\/span><\/td><td><span class=\"\">Approximately 70% reduction<\/span><\/td><td><span class=\"\">Approximately 75% reduction<\/span><\/td><\/tr><\/tbody><\/table>\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-bc2449f elementor-widget elementor-widget-heading\" data-id=\"bc2449f\" 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\">\u2163. Material Selection Decision Matrix<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c29d16f elementor-widget elementor-widget-text-editor\" data-id=\"c29d16f\" 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=\"\">Select based on the following conditions:<\/span><\/p><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Scenario A: Dry-mix mortar production line (product types include <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/tenessy.com\/applications\/tile-adhesive\/\">tegellijmen<\/a><\/span>, <span style=\"color: #339966;\"><a style=\"color: #339966;\" href=\"https:\/\/tenessy.com\/applications\/application-self-leveling\/\">zelfegaliserende compounds<\/a><\/span>, waterproofing mortars, repair mortars, etc.)<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Uniquely recommended form: Powder PCE<\/span><\/strong><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Rationale<\/span><\/strong><span class=\"\">: Good particle size matching, controllable micro-scale uniform dispersion, avoidance of segregation risk.\u00a0<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Scenario B: Commercial RMC plant or wet-mix mortar plant, equipped with liquid storage tanks and on-site reconstitution capability<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Recommended form: Flake PCE (dissolved on site before use)<\/span><\/strong><span class=\"\">, or directly sourced liquid PCE<\/span><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Rationale<\/span><\/strong><span class=\"\">: Significant advantages in transport and storage costs due to high active content of flake products. Simple dissolution process (mixing tank + water + flake PCE, dissolution at ambient temperature for 30\u201360 minutes).<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Scenario C: Commercial RMC plant or wet-mix mortar plant, without liquid reconstitution capability, intending to add solid admixtures directly<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Recommended form: Flake PCE<\/span><\/strong><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Rationale<\/span><\/strong><span class=\"\">: Powder products present prominent issues with dust generation and blockages. Flake products, with good flowability, can be added directly via dedicated solid metering devices.<\/span><\/p><\/li><\/ul><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Scenario D: Long-distance transport or export trade<\/span><\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Uniquely recommended form: Flake PCE<\/span><\/strong><\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Rationale<\/span><\/strong><span class=\"\">: Powder products have a very high probability of caking during long-term sea freight or storage in high-temperature, high-humidity warehouses. Flake products exhibit strong weather resistance, with quality stability validated by international engineering projects.<\/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-514c49a elementor-widget elementor-widget-heading\" data-id=\"514c49a\" 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\">\u2164. Common Material Selection Misconceptions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-63e8315 elementor-widget elementor-widget-text-editor\" data-id=\"63e8315\" 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<ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Misconception<\/span><\/strong><span class=\"\">: Believing that powder PCE always has a higher water-reducing rate than flake PCE.<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Fact<\/span><\/strong><span class=\"\">: Due to thermal degradation during the spray drying process, the water-reducing rate of powder PCE is generally lower than that of flake PCE with the same formulation. During selection, third-party test reports should be requested to compare cement paste flowability and actual water-reducing rate data.<\/span><\/p><\/li><\/ul><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Misconception<\/span><\/strong><span class=\"\">: Believing that flake PCE always dissolves slowly and is therefore unsuitable for applications with short mixing times.<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Fact<\/span><\/strong><span class=\"\">: The dissolution rate of flake PCE is inversely proportional to its thickness. For flake products with a thickness controlled between 0.5 and 1.0 mm, the complete dissolution time in ambient temperature water (20\u00b0C) under agitation is typically \u2264 10 minutes, which does not interfere with the standard concrete mixing process (typical mixing time of 30\u201390 seconds). Any residual particles continue to dissolve during subsequent transport and placement.<\/span><\/p><\/li><\/ul><\/li><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Misconception<\/span><\/strong><span class=\"\">: Using flake PCE in dry-mix mortars to reduce material costs.<\/span><\/p><ul><li><p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Fact<\/span><\/strong><span class=\"\">: The comprehensive losses incurred by a mortar plant due to product returns or project quality disputes caused by segregation far outweigh the minor cost savings on raw materials.\u00a0<\/span><strong><span class=\"\">The direct use of flake PCE in dry-mix mortars without fine grinding is strictly prohibited.<\/span><\/strong><\/p><\/li><\/ul><\/li><\/ol>\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-9cf3064 elementor-widget elementor-widget-heading\" data-id=\"9cf3064\" 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\">Conclusie<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d55bd9a elementor-widget elementor-widget-text-editor\" data-id=\"d55bd9a\" 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=\"\">The selection between flake and powder PCE fundamentally involves prioritizing either production process compatibility or product quality stability. For dry-mix mortar plants, powder PCE is irreplaceable due to its particle size matching advantages. For RMC plants and long-distance trade scenarios, the cost and stability advantages of flake PCE are more prominent.<\/span><\/p><p class=\"ds-markdown-paragraph\"><span class=\"\">Selection decisions should be made by comprehensively evaluating the product formulation system, equipment conditions, and quality control capabilities. Small-scale trial mixing and homogeneity testing should be completed before formal production commissioning.<\/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>In the field of concrete admixtures, polycarboxylate superplasticizer (PCE) serves as the core component of high-performance water-reducing agents, and the application of its solid-form products is becoming increasingly widespread.<\/p>","protected":false},"author":1,"featured_media":14768,"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-14752","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>How to Choose Between Flake and Powder Polycarboxylate? 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