{"id":3531,"date":"2026-07-29T09:00:00","date_gmt":"2026-07-29T09:00:00","guid":{"rendered":"https:\/\/www.hnlongtai.com\/?p=3531"},"modified":"2026-07-30T06:23:14","modified_gmt":"2026-07-30T06:23:14","slug":"how-to-reduce-flooding-and-floating-in-white-pigmented-coatings","status":"publish","type":"post","link":"https:\/\/www.hnlongtai.com\/tr\/how-to-reduce-flooding-and-floating-in-white-pigmented-coatings\/","title":{"rendered":"Flooding and Floating in White Coatings: Causes and Fixes"},"content":{"rendered":"\ufeff<p class=\"wp-block-paragraph\"><strong>How to Reduce Flooding and Floating in White Pigmented Coatings<\/strong> starts with one practical rule: evaluate the pigment inside the complete production formulation, not from TiO2 assay or a single supplier value. flooding and floating in white coatings performance depends on the pigment surface, formulation chemistry, dispersion process, film structure, and end-use requirement. A controlled trial should connect those variables to hiding, appearance, processing, durability, and cost.<\/p>\n<h2 class=\"wp-block-heading\">Table Of Contents<\/h2>\n<ul class=\"wp-block-list\"><li><a href=\"#why\">Form\u00fclasyonun sonucu neden de\u011fi\u015ftirdi\u011fi<\/a><\/li><li><a href=\"#compare\">Hangi form\u00fclat\u00f6rlerin kar\u015f\u0131la\u015ft\u0131rmas\u0131 gerekir<\/a><\/li><li><a href=\"#trial\">Kontroll\u00fc bir laboratuvar i\u015f ak\u0131\u015f\u0131<\/a><\/li><li><a href=\"#diagnose\">Zay\u0131f sonu\u00e7lar nas\u0131l te\u015fhis edilir<\/a><\/li><li><a href=\"#buy\">Tedarik\u00e7i yeterlilik kontrol listesi<\/a><\/li><li><a href=\"#faq\">S\u0131k sorulan sorular<\/a><\/li><\/ul>\n<h2 class=\"wp-block-heading\" id=\"why\">Why Flooding And Floating Control Changes Pigment Performance<\/h2>\n<p class=\"wp-block-paragraph\">Flooding is a relatively uniform color change across a film, while floating creates visible separation patterns at the surface. Differences in pigment mobility, density, surface energy, flocculation state, solvent flow, and drying rate drive both defects.<\/p>\n<p class=\"wp-block-paragraph\">For this reason, flooding and floating in white coatings should be treated as a formulation-and-process decision. A white base can appear uniform alone but develop streaks or shade variation after tinting. Reformulating colorant without checking TiO2 dispersion and rheology may move the defect instead of removing its cause. The useful question is not whether one certificate number is higher, but whether the candidate creates a stable, reproducible coating within the plant&#8217;s operating limits.<\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-distribution-coatings.png\" alt=\"flooding and floating in white coatings laboratory comparison with pigment distribution curves and coating drawdowns\" class=\"wp-image-3626\" srcset=\"https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-distribution-coatings.png 1536w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-distribution-coatings-300x200.png 300w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-distribution-coatings-1024x683.png 1024w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-distribution-coatings-768x512.png 768w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-distribution-coatings-18x12.png 18w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-distribution-coatings-600x400.png 600w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<h2 class=\"wp-block-heading\" id=\"compare\">What To Compare Before Approving Flooding And Floating In White Coatings<\/h2>\n<p class=\"wp-block-paragraph\">Use drawdowns with and without rub-up, vertical and horizontal panels, controlled film thickness, viscosity profiles, color difference, and drying observations. Hold tint paste, mixing time, substrate, airflow, and application method constant. This prevents a stronger result from being created by a hidden change in the test rather than by the pigment.<\/p>\n<figure class=\"wp-block-table\"><table><thead><tr><th>Karar alan\u0131<\/th><th>\u00d6l\u00e7mek<\/th><th>Neden \u00f6nemli oldu\u011funu<\/th><\/tr><\/thead><tbody><tr><td>Pigment mobility and flocculation state<\/td><td>Rub-up, Delta E, surface pattern, sag<\/td><td>Separates color development from migration<\/td><\/tr><tr><td>Dispersiyon kalitesi<\/td><td>\u0130ncelik, kal\u0131nt\u0131, enerji, s\u0131cakl\u0131k<\/td><td>Proses s\u0131n\u0131rlar\u0131n\u0131 pigment davran\u0131\u015f\u0131ndan ay\u0131r\u0131r<\/td><\/tr><tr><td>Kuru film verimlili\u011fi<\/td><td>Kontrast oran\u0131, renk tonu g\u00fcc\u00fc, parlakl\u0131k<\/td><td>Kontroll\u00fc film yap\u0131m\u0131nda kullan\u0131\u015fl\u0131 optik performans\u0131 g\u00f6sterir<\/td><\/tr><tr><td>Sa\u011flaml\u0131k<\/td><td>Depolama ya\u015fland\u0131rma ve tekrar partileri<\/td><td>Sonucun kararl\u0131 ve tekrarlanabilir olup olmad\u0131\u011f\u0131n\u0131 kontrol eder<\/td><\/tr><\/tbody><\/table><\/figure>\n<p class=\"wp-block-paragraph\">Use supplier data to define the starting window, then verify flooding and floating in white coatings with your own raw materials. Laser-diffraction results should be interpreted under a declared method because ISO 13320 describes method-dependent equivalent-sphere distributions. A grind gauge, covered by ASTM D1210, measures coarse particles or agglomerates in a dispersion; it does not replace an optical-performance test.<\/p>\n<h2 class=\"wp-block-heading\" id=\"trial\">A Controlled Flooding And Floating In White Coatings Laboratory Workflow<\/h2>\n<p class=\"wp-block-paragraph\">Prepare a small matrix that varies dispersant and rheology strategy one factor at a time. Evaluate immediately and through drying because surface separation may appear only while solvent or water is leaving the film. Randomize sample order where practical and repeat the control so drift in mixing, application, or measurement becomes visible.<\/p>\n<ol class=\"wp-block-list\"><li>Numuneleri a\u00e7madan \u00f6nce ge\u00e7me\/kalma s\u0131n\u0131rlar\u0131n\u0131 tan\u0131mlay\u0131n.<\/li><li>Hammadde ve panelleri ayn\u0131 s\u0131cakl\u0131kta \u015fartland\u0131r\u0131n.<\/li><li>\u015earj sipari\u015fini, h\u0131z\u0131, zaman\u0131, parti s\u0131cakl\u0131\u011f\u0131n\u0131 ve enerjiyi kaydedin.<\/li><li>D\u00fc\u015f\u00fc\u015f\u00fc tamamlamadan \u00f6nce de\u011firmen taban\u0131n\u0131 test edin.<\/li><li>E\u015fit \u0131slak veya kuru film kal\u0131nl\u0131\u011f\u0131 uygulay\u0131n ve ayn\u0131 k\u00fcrleme program\u0131n\u0131 kullan\u0131n.<\/li><li>Kritik \u00f6l\u00e7\u00fcmleri tekrarlay\u0131n ve etiketli \u00f6rnekleri saklay\u0131n.<\/li><\/ol>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-coatings-test-workflow.png\" alt=\"flooding and floating in white coatings coatings laboratory workflow from particle analysis and dispersion to drawdown and gloss testing\" class=\"wp-image-3627\" srcset=\"https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-coatings-test-workflow.png 1536w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-coatings-test-workflow-300x200.png 300w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-coatings-test-workflow-1024x683.png 1024w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-coatings-test-workflow-768x512.png 768w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-coatings-test-workflow-18x12.png 18w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/07\/titanium-dioxide-particle-size-coatings-test-workflow-600x400.png 600w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n<h2 class=\"wp-block-heading\" id=\"diagnose\">How To Diagnose Disappointing Flooding And Floating In White Coatings Results<\/h2>\n<p class=\"wp-block-paragraph\">Strong rub-up color change indicates unequal flocculation. Cellular patterns can point to surface-tension gradients or convection, while vertical shade differences may involve sag and pigment settling. Change one variable at a time and preserve the original control. Otherwise, simultaneous changes to dispersant, shear, binder, and pigment loading make the cause impossible to identify.<\/p>\n<h3 class=\"wp-block-heading\">Optik kalabal\u0131ktan ayr\u0131 da\u011f\u0131l\u0131m<\/h3>\n<p class=\"wp-block-paragraph\">If fineness improves but hiding does not, check film thickness, pigment volume concentration, extender spacing, and refractive-index contrast. If tint strength or gloss changes after a rub-up or after letdown, investigate flocculation. This distinction keeps a flooding and floating in white coatings project from becoming an endless increase in milling time.<\/p>\n<h3 class=\"wp-block-heading\">Teslim edilen de\u011feri hesaplay\u0131n<\/h3>\n<p class=\"wp-block-paragraph\">Compare cost at the dosage that actually passes, including dispersion time, yield loss, solvent or water adjustment, and rework risk. The cheapest price per tonne is not necessarily the lowest cost per passing litre of paint. A stable flooding and floating in white coatings grade can create value through higher throughput and fewer corrections even when its invoice price is higher.<\/p>\n<h2 class=\"wp-block-heading\" id=\"buy\">Flooding And Floating In White Coatings Supplier Qualification Checklist<\/h2>\n<p class=\"wp-block-paragraph\">Ask TiO2 and colorant suppliers for compatibility data, recommended dispersants, density and surface-treatment information, and troubleshooting support in the complete tinted formulation. Also confirm specification limits, test methods, change-notification practice, certificate availability, traceability, packaging, lead time, and technical support.<\/p>\n<ul class=\"wp-block-list\"><li>Dereceyi ba\u011flay\u0131c\u0131, i\u015flem, parlakl\u0131k ve pozlamayla e\u015fle\u015ftirin.<\/li><li>Test y\u00f6ntemleri isteyin, sadece tipik de\u011ferler de\u011fil.<\/li><li>Tam onaydan \u00f6nce birden fazla \u00fcretim partisini deneyin.<\/li><li>Onaylanm\u0131\u015f bir kontrol ve tutulan numuneler tutun.<\/li><li>Tesis performans\u0131n\u0131 tahmin eden m\u00fclkler etraf\u0131nda gelen kontrolleri ayarlay\u0131n.<\/li><\/ul>\n<p class=\"wp-block-paragraph\">Longtai, kaplamalar i\u00e7in rutil titanyum dioksit tedarik eder ve uygulamaya dayal\u0131 s\u0131n\u0131f taramas\u0131n\u0131 destekler. 'yi g\u00f6zden ge\u00e7irin <a href=\"https:\/\/www.hnlongtai.com\/tr\/urun\/titanium-dioxide\/\">titanyum dioksit \u00fcr\u00fcn yelpazesi<\/a>, daha sonra k\u0131lavuzlar\u0131m\u0131z\u0131 kullan\u0131n <a href=\"https:\/\/www.hnlongtai.com\/tr\/how-to-test-the-dispersibility-of-titanium-dioxide\/\">test TiO2 da\u011f\u0131labilirli\u011fi<\/a> ve anla <a href=\"https:\/\/www.hnlongtai.com\/tr\/titanium-dioxide-quality-inspection\/\">titanyum dioksit kalite denetimi<\/a>.<\/p>\n<h2 class=\"wp-block-heading\" id=\"faq\">S\u0131k\u00e7a Sorulan Sorular<\/h2>\n<h3 class=\"wp-block-heading\">Bir TDS en iyi notu se\u00e7ebilir mi?<\/h3>\n<p class=\"wp-block-paragraph\">No. A TDS is useful for screening, but flooding and floating in white coatings must be verified in the target formulation because binder, additives, shear, pigment volume concentration, and film build affect the result.<\/p>\n<h3 class=\"wp-block-heading\">Adaylar ayn\u0131 dispersan dozu kullanmal\u0131 m\u0131?<\/h3>\n<p class=\"wp-block-paragraph\">Hassasiyeti ortaya \u00e7\u0131karmak i\u00e7in bir sabit doz kar\u015f\u0131la\u015ft\u0131rmas\u0131 kullan\u0131n, ard\u0131ndan gelecek vaat eden adaylar\u0131 ayr\u0131 ayr\u0131 optimize edin. Farkl\u0131 pigment y\u00fczeyleri farkl\u0131 kararl\u0131 dozaj pencerelerine sahip olabilir ve adil olmayan bir doz, uygun bir notu reddedebilir.<\/p>\n<h3 class=\"wp-block-heading\">Ka\u00e7 lot onaylanmal\u0131?<\/h3>\n<p class=\"wp-block-paragraph\">Evaluate multiple representative lots when supply risk matters. One laboratory sample demonstrates potential; repeated lots show whether flooding and floating in white coatings remains inside the process and performance window.<\/p>\n<p class=\"wp-block-paragraph\"><strong>Not \u00f6nerisine mi ihtiyac\u0131n\u0131z var?<\/strong> <a href=\"https:\/\/www.hnlongtai.com\/tr\/contact-us\/\">\u0130leti\u015fim Longtai<\/a> ba\u011flay\u0131c\u0131, form\u00fclasyon tipi, uygulama y\u00f6ntemi, hedef \u00f6zellikleri ve mevcut kontrol derecesi ile.bir ba\u015flang\u0131\u00e7 \u00f6rne\u011fi ve pratik bir kar\u015f\u0131la\u015ft\u0131rma plan\u0131 \u00f6nerebiliriz.<\/p>\n<p class=\"wp-block-paragraph\"><strong>Y\u00f6ntem referanslar\u0131:<\/strong> <a href=\"https:\/\/www.iso.org\/standard\/69111.html\" rel=\"nofollow noopener\" target=\"_blank\">ISO 13320:2020, Par\u00e7ac\u0131k boyutu analizi \u9225?Lazer k\u0131r\u0131n\u0131m y\u00f6ntemleri<\/a>; <a href=\"https:\/\/store.astm.org\/products-services\/standards-and-publications\/standards\/paint-standards-and-related-coating-standards.html\" rel=\"nofollow noopener\" target=\"_blank\">D1210 dahil ASTM boya ve kaplama standartlar\u0131<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ufeff How to Reduce Flooding and Floating in White Pigmented Coatings starts with one practical rule: evaluate the pigment inside the complete production formulation, not from TiO2 assay or a single supplier value. flooding and floating in white coatings performance depends on the pigment surface, formulation chemistry, dispersion process, film structure, and end-use requirement. A [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3626,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-3531","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/posts\/3531","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/comments?post=3531"}],"version-history":[{"count":3,"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/posts\/3531\/revisions"}],"predecessor-version":[{"id":3840,"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/posts\/3531\/revisions\/3840"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/media\/3626"}],"wp:attachment":[{"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/media?parent=3531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/categories?post=3531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hnlongtai.com\/tr\/wp-json\/wp\/v2\/tags?post=3531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}