{"id":3529,"date":"2026-07-27T09:00:00","date_gmt":"2026-07-27T09:00:00","guid":{"rendered":"https:\/\/www.hnlongtai.com\/?p=3529"},"modified":"2026-07-30T06:23:17","modified_gmt":"2026-07-30T06:23:17","slug":"how-binder-demand-affects-titanium-dioxide-loading-in-paint","status":"publish","type":"post","link":"https:\/\/www.hnlongtai.com\/zh\/how-binder-demand-affects-titanium-dioxide-loading-in-paint\/","title":{"rendered":"\u7c98\u5408\u5242\u9700\u6c42\u5982\u4f55\u5f71\u54cd\u6cb9\u6f06\u4e2d\u7684\u4e8c\u6c27\u5316\u949b\u8d1f\u8f7d"},"content":{"rendered":"\ufeff<p class=\"wp-block-paragraph\"><strong>\u7c98\u5408\u5242\u9700\u6c42\u5982\u4f55\u5f71\u54cd\u6cb9\u6f06\u4e2d\u7684\u4e8c\u6c27\u5316\u949b\u8d1f\u8f7d<\/strong> starts with one practical rule: evaluate the pigment inside the complete production formulation, not from TiO2 assay or a single supplier value. titanium dioxide loading in paint 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\">\u4e3a\u4ec0\u4e48\u914d\u65b9\u4f1a\u6539\u53d8\u7ed3\u679c<\/a><\/li><li><a href=\"#compare\">\u914d\u65b9\u5e08\u5e94\u8be5\u6bd4\u8f83\u4ec0\u4e48<\/a><\/li><li><a href=\"#trial\">\u53d7\u63a7\u7684\u5b9e\u9a8c\u5ba4\u5de5\u4f5c\u6d41\u7a0b<\/a><\/li><li><a href=\"#diagnose\">\u5982\u4f55\u8bca\u65ad\u5f31\u7ed3\u679c<\/a><\/li><li><a href=\"#buy\">\u4f9b\u5e94\u5546\u8d44\u683c\u6e05\u5355<\/a><\/li><li><a href=\"#faq\">\u5e38\u89c1\u95ee\u9898<\/a><\/li><\/ul>\n<h2 class=\"wp-block-heading\" id=\"why\">Why Binder Demand And Pigment Loading Changes Pigment Performance<\/h2>\n<p class=\"wp-block-paragraph\">Every pigment surface consumes part of the formulation\u9225\u6a9a wetting and binder capacity. As TiO2 concentration rises, particle spacing, viscosity, film porosity, and the effective pigment volume concentration change, so opacity does not increase linearly with dosage.<\/p>\n<p class=\"wp-block-paragraph\">For this reason, titanium dioxide loading in paint should be treated as a formulation-and-process decision. Adding more pigment can deliver little extra hiding while raising cost and viscosity. Near or above critical pigment volume concentration, scrub resistance, gloss, stain resistance, and durability may deteriorate even when the wet paint appears normal. 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=\"titanium dioxide loading in paint 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 Titanium Dioxide Loading In Paint<\/h2>\n<p class=\"wp-block-paragraph\">Build a dosage ladder and measure contrast ratio per unit of pigment, viscosity, gloss, scrub, porosity, and film strength. Hold extender package, binder solids, dispersant strategy, and applied dry-film thickness 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>\u51b3\u7b56\u533a\u57df<\/th><th>\u6d4b\u91cf<\/th><th>\u4e3a\u4ec0\u4e48\u8fd9\u5f88\u91cd\u8981<\/th><\/tr><\/thead><tbody><tr><td>Pigment volume concentration and spacing<\/td><td>Opacity efficiency, viscosity, scrub, gloss<\/td><td>Finds the economic loading plateau<\/td><\/tr><tr><td>\u5206\u6563\u8d28\u91cf<\/td><td>\u7ec6\u5ea6\u3001\u6b8b\u7559\u7269\u3001\u80fd\u91cf\u3001\u6e29\u5ea6<\/td><td>\u5c06\u5de5\u827a\u9650\u5236\u4e0e\u989c\u6599\u884c\u4e3a\u5206\u5f00<\/td><\/tr><tr><td>\u5e72\u819c\u6548\u7387<\/td><td>\u5bf9\u6bd4\u5ea6\u3001\u8272\u8c03\u5f3a\u5ea6\u3001\u5149\u6cfd\u5ea6<\/td><td>\u5728\u53d7\u63a7\u80f6\u7247\u6784\u5efa\u4e0b\u663e\u793a\u51fa\u6709\u7528\u7684\u5149\u5b66\u6027\u80fd<\/td><\/tr><tr><td>\u7a33\u5065\u6027<\/td><td>\u50a8\u5b58\u8001\u5316\u548c\u91cd\u590d\u6279\u6b21<\/td><td>\u68c0\u67e5\u7ed3\u679c\u662f\u5426\u7a33\u5b9a\u4e14\u53ef\u91cd\u590d<\/td><\/tr><\/tbody><\/table><\/figure>\n<p class=\"wp-block-paragraph\">Use supplier data to define the starting window, then verify titanium dioxide loading in paint 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 Titanium Dioxide Loading In Paint Laboratory Workflow<\/h2>\n<p class=\"wp-block-paragraph\">Test at least four closely spaced TiO2 levels around the current formula. Plot contrast ratio and cost per liter, then overlay performance limits for viscosity, gloss, and scrub to identify the usable optimum. 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>\u5728\u6253\u5f00\u6837\u672c\u4e4b\u524d\u5b9a\u4e49\u901a\u8fc7\/\u5931\u8d25\u9650\u5236\u3002.<\/li><li>\u5728\u76f8\u540c\u6e29\u5ea6\u4e0b\u8c03\u8282\u539f\u6750\u6599\u548c\u9762\u677f\u3002.<\/li><li>\u8bb0\u5f55\u5145\u7535\u987a\u5e8f\u3001\u901f\u5ea6\u3001\u65f6\u95f4\u3001\u6279\u91cf\u6e29\u5ea6\u548c\u80fd\u91cf\u3002.<\/li><li>\u5728\u5b8c\u6210\u653e\u4e0b\u4e4b\u524d\u6d4b\u8bd5\u78e8\u673a\u5e95\u5ea7\u3002.<\/li><li>\u6d82\u62b9\u7b49\u91cf\u7684\u6e7f\u819c\u6216\u5e72\u819c\u539a\u5ea6\u5e76\u4f7f\u7528\u76f8\u540c\u7684\u56fa\u5316\u65f6\u95f4\u8868\u3002.<\/li><li>\u91cd\u590d\u5173\u952e\u6d4b\u91cf\u5e76\u4fdd\u7559\u6807\u8bb0\u7684\u6837\u54c1\u3002.<\/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=\"titanium dioxide loading in paint 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 Titanium Dioxide Loading In Paint Results<\/h2>\n<p class=\"wp-block-paragraph\">A flat opacity curve can mean optical crowding, poor dispersion, or insufficient film thickness control. A sudden gloss or scrub loss usually signals that the binder no longer covers the total pigment and extender surface effectively. 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\">\u4e0e\u5149\u5b66\u62e5\u6324\u5206\u5f00\u5206\u6563<\/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 titanium dioxide loading in paint project from becoming an endless increase in milling time.<\/p>\n<h3 class=\"wp-block-heading\">\u8ba1\u7b97\u4ea4\u4ed8\u4ef7\u503c<\/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 titanium dioxide loading in paint 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\">Titanium Dioxide Loading In Paint Supplier Qualification Checklist<\/h2>\n<p class=\"wp-block-paragraph\">Ask for hiding-efficiency curves in comparable binders, oil absorption or demand indicators, dispersant guidance, and lot consistency data rather than selecting on TiO2 assay alone. 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>\u5c06\u7b49\u7ea7\u4e0e\u7c98\u5408\u5242\u3001\u5de5\u827a\u3001\u5149\u6cfd\u548c\u66dd\u5149\u76f8\u5339\u914d\u3002.<\/li><li>\u8bf7\u6c42\u6d4b\u8bd5\u65b9\u6cd5,\u800c\u4e0d\u4ec5\u4ec5\u662f\u5178\u578b\u503c\u3002.<\/li><li>\u5728\u5b8c\u5168\u6279\u51c6\u4e4b\u524d\u8bd5\u7528\u591a\u4e2a\u751f\u4ea7\u6279\u6b21\u3002.<\/li><li>\u4fdd\u7559\u7ecf\u6279\u51c6\u7684\u5bf9\u7167\u548c\u4fdd\u7559\u7684\u6837\u54c1\u3002.<\/li><li>\u56f4\u7ed5\u9884\u6d4b\u5de5\u5382\u6027\u80fd\u7684\u5c5e\u6027\u8bbe\u7f6e\u4f20\u5165\u68c0\u67e5\u3002.<\/li><\/ul>\n<p class=\"wp-block-paragraph\">Longtai\u4f9b\u5e94\u91d1\u7ea2\u77f3\u4e8c\u6c27\u5316\u949b\u6d82\u6599,\u652f\u6301\u5e94\u7528\u578b\u5206\u7ea7\u7b5b\u9009 \u5ba1\u6838 the <a href=\"https:\/\/www.hnlongtai.com\/zh\/product\/titanium-dioxide\/\">\u4e8c\u6c27\u5316\u949b\u4ea7\u54c1\u8303\u56f4<\/a>, \u7136\u540e\u4f7f\u7528\u6211\u4eec\u7684\u6307\u5357 <a href=\"https:\/\/www.hnlongtai.com\/zh\/how-to-test-the-dispersibility-of-titanium-dioxide\/\">\u6d4b\u8bd5tio2\u5206\u6563\u6027<\/a> \u548c\u7406\u89e3 <a href=\"https:\/\/www.hnlongtai.com\/zh\/titanium-dioxide-quality-inspection\/\">\u4e8c\u6c27\u5316\u949b\u8d28\u91cf\u68c0\u9a8c<\/a>.<\/p>\n<h2 class=\"wp-block-heading\" id=\"faq\">\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3 class=\"wp-block-heading\">TDS\u53ef\u4ee5\u9009\u62e9\u6700\u4f73\u7b49\u7ea7\u5417?<\/h3>\n<p class=\"wp-block-paragraph\">No. A TDS is useful for screening, but titanium dioxide loading in paint 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\">\u5019\u9009\u4eba\u662f\u5426\u5e94\u8be5\u4f7f\u7528\u76f8\u540c\u7684\u5206\u6563\u5242\u5242\u91cf?<\/h3>\n<p class=\"wp-block-paragraph\">1\u6b21\u56fa\u5b9a\u5242\u91cf\u6bd4\u8f83, \u66b4\u9732\u7075\u654f\u5ea6, \u7136\u540e\u5206\u522b\u4f18\u5316\u6709\u524d\u9014\u7684\u5019\u9009\u8005, \u4e0d\u540c\u7684\u8272\u7d20\u8868\u9762\u53ef\u4ee5\u6709\u4e0d\u540c\u7684\u7a33\u5b9a\u5242\u91cf\u7a97\u53e3, \u4e0d\u516c\u5e73\u7684\u5242\u91cf\u53ef\u4ee5\u62d2\u7edd\u5408\u9002\u7684\u7b49\u7ea7\u3002.<\/p>\n<h3 class=\"wp-block-heading\">\u5e94\u8be5\u6279\u51c6\u591a\u5c11\u6279?<\/h3>\n<p class=\"wp-block-paragraph\">Evaluate multiple representative lots when supply risk matters. One laboratory sample demonstrates potential; repeated lots show whether titanium dioxide loading in paint remains inside the process and performance window.<\/p>\n<p class=\"wp-block-paragraph\"><strong>\u9700\u8981\u6210\u7ee9\u63a8\u8350\u5417?<\/strong> <a href=\"https:\/\/www.hnlongtai.com\/zh\/contact-us\/\">\u8054\u7cfb\u9f99\u6cf0<\/a> \u51ed\u501f\u60a8\u7684\u7c98\u5408\u5242\u3001\u914d\u65b9\u7c7b\u578b\u3001\u5e94\u7528\u65b9\u6cd5\u3001\u76ee\u6807\u7279\u6027\u548c\u5f53\u524d\u63a7\u5236\u7b49\u7ea7\u3002\u6211\u4eec\u53ef\u4ee5\u63a8\u8350\u4e00\u4e2a\u8d77\u59cb\u6837\u54c1\u548c\u4e00\u4e2a\u5b9e\u7528\u7684\u6bd4\u8f83\u8ba1\u5212\u3002.<\/p>\n<p class=\"wp-block-paragraph\"><strong>\u65b9\u6cd5\u53c2\u8003:<\/strong> <a href=\"https:\/\/www.iso.org\/standard\/69111.html\" rel=\"nofollow noopener\" target=\"_blank\">ISO 13320:2020,\u7c92\u5ea6\u5206\u6790 \u8f6c\u5411?\u6fc0\u5149\u884d\u5c04\u65b9\u6cd5<\/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\">ASTM \u6cb9\u6f06\u548c\u6d82\u6599\u6807\u51c6,\u5305\u62ec D1210<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ufeff How Binder Demand Affects Titanium Dioxide Loading in Paint starts with one practical rule: evaluate the pigment inside the complete production formulation, not from TiO2 assay or a single supplier value. titanium dioxide loading in paint performance depends on the pigment surface, formulation chemistry, dispersion process, film structure, and end-use requirement. A controlled trial [&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-3529","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/posts\/3529","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/comments?post=3529"}],"version-history":[{"count":2,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/posts\/3529\/revisions"}],"predecessor-version":[{"id":3842,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/posts\/3529\/revisions\/3842"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/media\/3626"}],"wp:attachment":[{"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/media?parent=3529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/categories?post=3529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/tags?post=3529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}