{"id":5049,"date":"2026-10-27T08:00:00","date_gmt":"2026-10-27T08:00:00","guid":{"rendered":"https:\/\/www.hnlongtai.com\/?p=5049"},"modified":"2026-10-27T08:00:00","modified_gmt":"2026-10-27T08:00:00","slug":"sulfate-rutile-tio2-hybrid-powder-screening","status":"publish","type":"post","link":"https:\/\/www.hnlongtai.com\/zh\/sulfate-rutile-tio2-hybrid-powder-screening\/","title":{"rendered":"\u786b\u9178\u76d0\u91d1\u7ea2\u77f3 TiO2:\u5ba4\u5185\u73af\u6c27\u805a\u916f\u7c89\u672b\u6d82\u6599\u7ea7\u7b5b\u5206"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>\u76ee\u5f55<\/h2><nav><ul><li><a href=\"#application-scope-for-sulfate-rutile-tio2\">Application scope for sulfate rutile TiO2<\/a><\/li><li><a href=\"#how-the-material-behaves-in-this-application\">\u6750\u6599\u5728\u6b64\u5e94\u7528\u4e2d\u7684\u884c\u4e3a\u65b9\u5f0f<\/a><\/li><li><a href=\"#define-the-sulfate-rutile-tio2-application-brief\">Define the sulfate rutile TiO2 application brief<\/a><\/li><li><a href=\"#check-sulfate-rutile-tio2-technical-documents\">Check sulfate rutile TiO2 technical documents<\/a><\/li><li><a href=\"#compare-sulfate-rutile-tio2-on-controlled-bases\">Compare sulfate rutile TiO2 on controlled bases<\/a><\/li><li><a href=\"#record-sulfate-rutile-tio2-screening-evidence\">Record sulfate rutile TiO2 screening evidence<\/a><\/li><li><a href=\"#set-sulfate-rutile-tio2-acceptance-limits\">Set sulfate rutile TiO2 acceptance limits<\/a><\/li><li><a href=\"#specify-the-approved-sulfate-rutile-tio2-supply\">Specify the approved sulfate rutile TiO2 supply<\/a><\/li><li><a href=\"#compare-the-application-evidence\">\u6bd4\u8f83\u7533\u8bf7\u8bc1\u636e<\/a><\/li><li><a href=\"#discuss-the-right-longtai-grade\">\u8bba\u9f99\u53f0\u6863\u6b21\u5bf9<\/a><\/li><li><a href=\"#a-practical-decision-checklist\">\u5b9e\u9645\u51b3\u7b56\u6e05\u5355<\/a><\/li><li><a href=\"#request-an-application-focused-sample-review\">\u8bf7\u6c42\u4ee5\u5e94\u7528\u7a0b\u5e8f\u4e3a\u4e2d\u5fc3\u7684\u6837\u672c\u5ba1\u67e5<\/a><\/li><li><a href=\"#faq\">\u5e38\u89c1\u95ee\u9898<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"application-scope-for-sulfate-rutile-tio2\">Application scope for sulfate rutile TiO2<\/h2>\n\n\n<p class=\"wp-block-paragraph\"><strong>Sulfate Rutile Tio2<\/strong> needs an application-specific evaluation in interior epoxy-polyester powder coatings. This article focuses on grade screening, with particular attention to bake yellowing. The first decision is whether a candidate belongs in the trial at all. Define the application requirements, identify the material properties that might affect them, and use a controlled comparison to reject unsuitable options before a production run.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Interior epoxy-polyester powder coatings are often chosen for white appliances, shelving and equipment. The finish must remain consistent after baking across parts with different thermal mass. A pigment that looks neutral before processing may produce a different shade after the complete coating cures. The trial should therefore include the specified bake condition and a justified process-margin condition. Keep the scope clearly tied to interior service.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-the-material-behaves-in-this-application\">\u6750\u6599\u5728\u6b64\u5e94\u7528\u4e2d\u7684\u884c\u4e3a\u65b9\u5f0f<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Bake shade can be influenced by resin chemistry, additives, contamination and pigment treatment. A yellowed panel does not by itself identify titanium dioxide as the cause. Compare a pigment-free or established-pigment formulation where practical, and check the thermal history of all specimens. A material that improves one bake condition may behave differently at another. Record the full pattern rather than selecting the single most attractive panel.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Prepare each candidate with the same premix, extrusion, cooling and milling procedure. Check that reactive ingredients are not being segregated during premixing. Apply powder at a controlled thickness and use temperature probes to characterize the metal profile. Place controls in comparable oven positions. Record initial color and gloss after conditioning. If parts vary significantly in geometry, include representative metal sections in the later production trial.<\/p>\n\n\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=\"\u767d\u8272\u6d82\u5c42\u6d4b\u8bd5\u677f\u548c\u6d4b\u91cf\u663e\u793a\u5668\" 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\n\n\n<h2 class=\"wp-block-heading\" id=\"define-the-sulfate-rutile-tio2-application-brief\">Define the sulfate rutile TiO2 application brief<\/h2>\n\n\n<p class=\"wp-block-paragraph\">A useful sulfate rutile TiO2 inquiry starts with the job the material must do in interior epoxy-polyester powder coatings. State the required bake shade, the intended processing route and the consequence of failure. Describe the actual substrate or polymer, binder or carrier, thickness and exposure. Include the current control material if its identity can be shared. This helps the supplier propose a relevant grade rather than the whitest or least expensive powder in the catalogue.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Separate non-negotiable requirements from properties that can be optimized. For example, a material that meets the appearance target but fails coverage should not advance simply because it is easy to disperse. Write the screening gates in the order in which they will be tested. The sulfate rutile TiO2 decision becomes more efficient when an early failure stops an unsuitable candidate before costly downstream work.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"check-sulfate-rutile-tio2-technical-documents\">Check sulfate rutile TiO2 technical documents<\/h2>\n\n\n<p class=\"wp-block-paragraph\">For sulfate rutile TiO2, ask for a current technical data sheet, safety data sheet and lot-specific certificate where available. Check the grade name, crystal form, treatment, units and method behind each reported value. A specification limit and a typical value have different meanings. A measured lot result describes that lot under the supplier\u2019s method. None of these documents alone demonstrates performance in interior epoxy-polyester powder coatings.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Do not compare numbers with different sample preparation or measurement bases as though they were interchangeable. Ask how whiteness, volatile content or particle-related values are obtained when those parameters matter to the screen. If an application claim lacks conditions, turn it into a question for the trial. This is especially useful for sulfate rutile TiO2, where the same chemical identity can cover grades intended for very different industrial functions.<\/p>\n\n\n<p class=\"wp-block-paragraph\">To investigate bake yellowing, compare the normal schedule with a controlled extension of time or temperature within the agreed experimental scope. Keep an unbaked powder sample and retained extrudate for reference. Examine whether the shade change occurs uniformly or in localized hot regions. Review oven contamination and air circulation. A pigment substitution should be evaluated after those influences are understood, otherwise a normal oven variation may be misread as a grade difference.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"compare-sulfate-rutile-tio2-on-controlled-bases\">Compare sulfate rutile TiO2 on controlled bases<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Start the sulfate rutile TiO2 experiment with a controlled baseline that preserves epoxy-polyester ratio and extrusion energy. Compare candidates on a documented pigment-volume or active-material basis as appropriate to the application. This identifies the initial material difference. Then prepare a second series with a justified application adjustment, such as dispersant level or addition route. Label the two stages separately so that formulation optimization is not confused with intrinsic grade performance.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Keep an accepted production material in each test series. Make at least repeat specimens and, for an important supply decision, assess representative lot variation. Randomize the evaluation order where practical and keep the observer unaware of candidate identity during visual comparisons. A sulfate rutile TiO2 selection based on one unusually favorable panel or part offers less protection than a repeatable result against a stable control.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"record-sulfate-rutile-tio2-screening-evidence\">Record sulfate rutile TiO2 screening evidence<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The comparison table below is a framework for sulfate rutile TiO2 screening rather than a set of invented test results. Populate it with the actual measurements from interior epoxy-polyester powder coatings. Record both the result and the method, including the conditioning state. If a value is missing, leave it unavailable instead of treating it as zero or a pass. A useful shortlist shows why each candidate advanced or stopped.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Review the balance among bake shade, coverage and melt flow and gloss. A single headline number can conceal a practical limitation. Where a tradeoff is acceptable, document who owns the application requirement and the permitted margin. The sulfate rutile TiO2 purchase decision should follow the complete specification rather than an informal preference for one attractive sample.<\/p>\n\n\n<p class=\"wp-block-paragraph\">Pigment loading affects coverage and melt rheology, while the hybrid binder ratio affects cure and coating properties. Keep these two decisions separate. Start with equal pigment volume, then explore a narrow concentration range. Track gloss, texture and hiding on the same panels. For procurement, calculate coating cost at the thickness that actually passes the visual specification. The lowest pigment price does not necessarily yield the lowest acceptable-part cost.<\/p>\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"800\" height=\"500\" src=\"https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/09\/titanium-dioxide-overview.jpg\" alt=\"White pigment powder with industrial equipment in the background\" class=\"wp-image-5014\" srcset=\"https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/09\/titanium-dioxide-overview.jpg 800w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/09\/titanium-dioxide-overview-300x188.jpg 300w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/09\/titanium-dioxide-overview-768x480.jpg 768w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/09\/titanium-dioxide-overview-18x12.jpg 18w, https:\/\/www.hnlongtai.com\/wp-content\/uploads\/2026\/09\/titanium-dioxide-overview-600x375.jpg 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"set-sulfate-rutile-tio2-acceptance-limits\">Set sulfate rutile TiO2 acceptance limits<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Use the existing product specification and the control\u2019s normal variation to define the trial limits. Do not invent universal pass values for sulfate rutile TiO2. Consider measurement repeatability, specimen variation and the consequences of a marginal result. If the laboratory method cannot resolve the observed difference, repeat or improve the measurement before ranking the candidates. Preserve raw observations as well as summary values.<\/p>\n\n\n<p class=\"wp-block-paragraph\">For interior epoxy-polyester powder coatings, an acceptance result should identify the recipe, equipment, specimen geometry and conditioning. State whether the candidate is approved for a laboratory stage, pilot run or routine production. These are different decisions. A successful sulfate rutile TiO2 bench screen supports the next trial stage, while production approval requires evidence that the relevant operating window is also acceptable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"specify-the-approved-sulfate-rutile-tio2-supply\">Specify the approved sulfate rutile TiO2 supply<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Before ordering sulfate rutile TiO2, agree the exact grade, packaging, lot identification and documents supplied with each shipment. Identify material or process changes that require notification and a new application check. Retain a sealed sample from the approved trial and define an appropriate storage and replacement practice. A sample that changes during uncontrolled storage is a weak future reference.<\/p>\n\n\n<p class=\"wp-block-paragraph\">The screening report for interior epoxy-polyester powder coatings should finish with a short recommendation, the unresolved questions and the next authorized test. Record delivered-cost assumptions only when the quotations and logistics basis are available. A qualified sulfate rutile TiO2 candidate can still be commercially unsuitable, while an attractive quotation cannot resolve a failed technical requirement. Keep both parts of the decision traceable.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"compare-the-application-evidence\">\u6bd4\u8f83\u7533\u8bf7\u8bc1\u636e<\/h2>\n\n\n<p class=\"wp-block-paragraph\">Use this sulfate rutile TiO2 table to organize the grade screening results for interior epoxy-polyester powder coatings. The entries describe what to measure. They are not supplier test data or universal acceptance limits.<\/p>\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u51b3\u5b9a\u9879\u76ee<\/th><th>\u53d7\u63a7\u6bd4\u8f83<\/th><th>\u8bb0\u5f55\u7684\u8bc1\u636e<\/th><\/tr><\/thead><tbody><tr><td>bake shade<\/td><td>epoxy-polyester ratio held constant<\/td><td>\u65b9\u6cd5\u3001\u6837\u672c\u51e0\u4f55\u5f62\u72b6\u3001\u7ed3\u679c\u548c\u91cd\u590d\u53d8\u5316<\/td><\/tr><tr><td>coverage<\/td><td>extrusion energy documented<\/td><td>\u4f7f\u7528\u5546\u5b9a\u65b9\u6cd5\u83b7\u5f97\u521d\u59cb\u7ed3\u679c\u548c\u6761\u4ef6\u7ed3\u679c<\/td><\/tr><tr><td>melt flow and gloss<\/td><td>powder particle distribution controlled<\/td><td>\u89c2\u5bdf\u5230\u7684\u7f3a\u9677\u548c\u76f8\u5173\u5e94\u7528\u6d4b\u91cf<\/td><\/tr><tr><td>\u6d3b\u6027\u7269\u8d28\u57fa\u7840<\/td><td>\u7b49\u4f53\u79ef\u6216\u8bb0\u5f55\u7684\u8d28\u91cf\u57fa\u7840<\/td><td>\u5b9e\u9645 TiO2 \u8d21\u732e\u3001\u8f7d\u4f53\u6216\u7c98\u5408\u5242\u8d21\u732e<\/td><\/tr><tr><td>\u5de5\u827a\u88d5\u5ea6<\/td><td>overbake exposure recorded<\/td><td>\u7a33\u5b9a\u8fd0\u884c\u7684\u7ed3\u679c\u548c\u5408\u7406\u7684\u53d8\u5316<\/td><\/tr><tr><td>\u53d1\u5e03\u51b3\u5b9a<\/td><td>Grade Screening in interior epoxy-polyester powder coatings<\/td><td>\u901a\u8fc7\u5e94\u7528\u7a0b\u5e8f\u89c4\u8303\u7684\u9650\u5236;\u672a\u89e3\u51b3\u7684\u9879\u76ee\u4fdd\u6301\u5f00\u653e\u72b6\u6001<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"discuss-the-right-longtai-grade\">\u8bba\u9f99\u53f0\u6863\u6b21\u5bf9<\/h2>\n\n\n<p class=\"wp-block-paragraph\">LTR-909 is listed as a universal sulfate-process rutile grade with inorganic and organic treatment. It can be included in a hybrid powder screening discussion, subject to supplier confirmation for the specific resin system. Do not extend an interior hybrid result to exterior weathering applications. Obtain the current data sheet and agree how changes in treatment, lot properties or production processing will be handled after approval.<\/p>\n\n\n<p class=\"wp-block-paragraph\">For sulfate rutile TiO2, review the <a href=\"https:\/\/www.hnlongtai.com\/zh\/product\/sulfate-process-rutile-titanium-dioxide\/\">LTR-909 product information<\/a> \u548c <a href=\"https:\/\/www.hnlongtai.com\/zh\/%e4%ba%a7%e5%93%81%e7%b1%bb%e5%88%ab\/titanium-dioxide\/\">\u4e8c\u6c27\u5316\u949b\u4ea7\u54c1\u8303\u56f4<\/a>. \u3001\u4e0e\u4f9b\u5e94\u5546\u786e\u8ba4\u5f53\u524d\u89c4\u683c,\u4e00\u822c\u80cc\u666f\u53c2\u8003\u89c1 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Titanium_dioxide\" target=\"_blank\" rel=\"noopener\">\u7ef4\u57fa\u767e\u79d1\u5bf9\u4e8c\u6c27\u5316\u949b\u7684\u6982\u8ff0<\/a>. \u3001\u6b64\u53c2\u8003\u4e0e\u4f9b\u5e94\u5546\u7684\u7b49\u7ea7\u89c4\u8303\u662f\u5206\u5f00\u7684,\u5e76\u4e14\u6ca1\u6709\u786e\u5b9a\u9002\u7528\u4e8e\u6b64\u5904\u63cf\u8ff0\u7684\u5e94\u7528\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"a-practical-decision-checklist\">\u5b9e\u9645\u51b3\u7b56\u6e05\u5355<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The following sulfate rutile TiO2 checklist concentrates the next action on interior epoxy-polyester powder coatings. Keep the completed checklist with the specimen identities and test record.<\/p>\n\n<ul class=\"wp-block-list\"><li>Name the exact interior epoxy-polyester powder coatings formulation and the intended use.<\/li><li>Check epoxy-polyester ratio and extrusion energy before comparing candidate samples.<\/li><li>Prioritize bake shade without dropping coverage.<\/li><li>Investigate any sign of bake yellowing before a production order.<\/li><li>\u4ec5\u63a8\u8fdb\u901a\u8fc7\u8bb0\u5f55\u7684\u5e94\u7528\u95e8\u7684\u6750\u6599\u3002.<\/li><\/ul>\n\n\n<h2 class=\"wp-block-heading\" id=\"request-an-application-focused-sample-review\">\u8bf7\u6c42\u4ee5\u5e94\u7528\u7a0b\u5e8f\u4e3a\u4e2d\u5fc3\u7684\u6837\u672c\u5ba1\u67e5<\/h2>\n\n\n<p class=\"wp-block-paragraph\">To discuss sulfate rutile TiO2 for interior epoxy-polyester powder coatings, send Longtai the formulation category, target bake shade, current bake yellowing concern, planned consumption and trial conditions. Ask for the current LTR-909 documentation and a representative sample. Use the <a href=\"https:\/\/www.hnlongtai.com\/zh\/contact-us\/\">\u9f99\u53f0\u8054\u7cfb\u9875\u9762<\/a> or\u4e0b\u9762\u7684\u67e5\u8be2\u8868\u6765\u63cf\u8ff0\u7533\u8bf7,\u6837\u672c\u8ba8\u8bba\u5e94\u8be5\u5bfc\u81f4\u4e00\u4e2a\u5b9a\u4e49\u7684\u6d4b\u8bd5,\u6839\u636e\u4f60\u81ea\u5df1\u8fc7\u7a0b\u4e2d\u7684\u7ed3\u679c\u6279\u51c6\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">\u5e38\u89c1\u95ee\u9898<\/h2>\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-008-hybrid-powder-screening-1\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What should the sulfate rutile TiO2 grade screening trial measure first?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Prioritize bake shade, then confirm coverage and melt flow and gloss. For sulfate rutile TiO2, a strong isolated number cannot compensate for failure of the complete interior epoxy-polyester powder coatings specification. Record the method, specimen and conditioning so the comparison can be repeated.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-008-hybrid-powder-screening-2\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">How should the sulfate rutile TiO2 addition level be determined?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>The useful level depends on the active-material basis, epoxy-polyester ratio and the finished-product geometry. Establish sulfate rutile TiO2 loading with a controlled series and confirm the process margin. A concentrate addition percentage must be converted to its actual TiO2 contribution before comparing recipes.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-008-hybrid-powder-screening-3\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What evidence helps explain bake yellowing?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Preserve failed and accepted specimens, review extrusion energy and powder particle distribution, and run a controlled exchange or repeat comparison. A sulfate rutile TiO2 investigation should show whether the result follows the material, formulation or process. Confirm the correction against the original failure condition.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-008-hybrid-powder-screening-4\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">How should LTR-909 be qualified for this application?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>The product listing makes it a candidate for discussion. Request current documents and verify the actual formulation and process. The sulfate rutile TiO2 decision must rely on representative application evidence, with any certification or end-use compliance considered separately for the complete product.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-008-hybrid-powder-screening-5\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What records should support the approved sulfate rutile TiO2 grade?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Save the exact grade and lot, formulation revision, active-material basis, processing conditions, specimens and acceptance results. For interior epoxy-polyester powder coatings, include the observations for bake shade and bake yellowing. These records support future sulfate rutile TiO2 lot comparisons and change control.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n<div class='fluentform ff-default fluentform_wrapper_3 ffs_default_wrap'><form data-form_id=\"3\" id=\"fluentform_3\" class=\"frm-fluent-form fluent_form_3 ff-el-form-top ff_form_instance_3_1 ff-form-loading ffs_default\" data-form_instance=\"ff_form_instance_3_1\" method=\"POST\" action=\"\" ><fieldset  style=\"border: none!important;margin: 0!important;padding: 0!important;background-color: transparent!important;box-shadow: none!important;outline: none!important; min-inline-size: 100%;\">\n                    <legend class=\"ff_screen_reader_title\" style=\"display: block; margin: 0!important;padding: 0!important;height: 0!important;text-indent: -999999px;width: 0!important;overflow:hidden;\">\u5b98\u7f51\u987e\u9505\u76d8<\/legend>        <div\n                style=\"display: none!important; position: absolute!important; transform: translateX(1000%)!important;\"\n                class=\"ff-el-group ff-hpsf-container\"\n        >\n            <div class=\"ff-el-input--label asterisk-right\">\n                <label for=\"ff_3_item_sf\" aria-label=\"\u65f6\u4e8b\u901a\u8baf\">\n                    \u65f6\u4e8b\u901a\u8baf                <\/label>\n            <\/div>\n            <div class=\"ff-el-input--content\">\n                <input type=\"text\"\n                       name=\"item_3__fluent_sf\"\n                       class=\"ff-el-form-control\"\n                       id=\"ff_3_item_sf\"\n                \/>\n            <\/div>\n        <\/div>\n                <input type=\"hidden\" id=\"__fluent_protection_token_3\" class=\"fluent-form-token-field\" name=\"__fluent_protection_token_3\">\n        <input type='hidden' name='__fluent_form_embded_post_id' value='5049' \/><input type=\"hidden\" id=\"_fluentform_3_fluentformnonce\" name=\"_fluentform_3_fluentformnonce\" value=\"c62889d8da\" \/><input type=\"hidden\" name=\"_wp_http_referer\" value=\"\/zh\/wp-json\/wp\/v2\/posts\/5049\" \/><div class='ff-el-group'><div class=\"ff-el-input--label ff-el-is-required asterisk-right\"><label for='ff_3_input_text' id='label_ff_3_input_text'>\u540d\u5b57<\/label><\/div><div class='ff-el-input--content'><input type=\"text\" name=\"input_text\" class=\"ff-el-form-control\" placeholder=\"\u540d\u5b57\" data-name=\"input_text\" id=\"ff_3_input_text\"  aria-invalid=\"false\" aria-required=\"true\"><\/div><\/div><div class='ff-el-group'><div class=\"ff-el-input--label ff-el-is-required asterisk-right\"><label for='ff_3_email' id='label_ff_3_email'>\u7535\u5b50\u90ae\u4ef6<\/label><\/div><div class='ff-el-input--content'><input type=\"email\" name=\"email\" id=\"ff_3_email\" class=\"ff-el-form-control\" placeholder=\"\u7535\u5b50\u90ae\u4ef6\u5730\u5740\" data-name=\"email\"  aria-invalid=\"false\" aria-required=\"true\"><\/div><\/div><div class='ff-el-group'><div class=\"ff-el-input--label ff-el-is-required asterisk-right\"><label for='ff_3_subject' id='label_ff_3_subject'>\u7535\u8bdd<\/label><\/div><div class='ff-el-input--content'><input type=\"text\" name=\"subject\" class=\"ff-el-form-control\" placeholder=\"\u7535\u8bdd\" data-name=\"subject\" id=\"ff_3_subject\"  aria-invalid=\"false\" aria-required=\"true\"><\/div><\/div><div class='ff-el-group'><div class=\"ff-el-input--label asterisk-right\"><label for='ff_3_message' id='label_ff_3_message'>\u60a8\u7684\u7559\u8a00<\/label><\/div><div class='ff-el-input--content'><textarea aria-required=\"false\" aria-labelledby=\"label_ff_3_message\" name=\"message\" id=\"ff_3_message\" class=\"ff-el-form-control\" placeholder=\"\u60a8\u7684\u7559\u8a00\" rows=\"5\" cols=\"2\" data-name=\"message\" ><\/textarea><\/div><\/div><div class='ff-form-inline-style' hidden><style>form.fluent_form_3 .ff-btn-submit:not(.ff_btn_no_style) { background-color: var(--fluentform-primary); color: #ffffff; }<\/style><\/div><div class='ff-el-group ff-text-left ff_submit_btn_wrapper'><button type=\"submit\" class=\"ff-btn ff-btn-submit ff-btn-md ff_btn_style\"  aria-label=\"\u63d0\u4ea4\u8868\u683c\">\u63d0\u4ea4\u8868\u683c<\/button><\/div><\/fieldset><input type=\"hidden\" name=\"trp-form-language\" value=\"zh\"\/><\/form><div id='fluentform_3_errors' class='ff-errors-in-stack ff_form_instance_3_1 ff-form-loading_errors ff_form_instance_3_1_errors'><\/div><\/div>            <script type=\"text\/javascript\">\n                window.fluent_form_ff_form_instance_3_1 = {\"id\":\"3\",\"ajaxUrl\":\"https:\\\/\\\/www.hnlongtai.com\\\/wp-admin\\\/admin-ajax.php\",\"settings\":{\"layout\":{\"labelPlacement\":\"top\",\"helpMessagePlacement\":\"with_label\",\"errorMessagePlacement\":\"inline\",\"cssClassName\":\"\",\"asteriskPlacement\":\"asterisk-right\"},\"restrictions\":{\"denyEmptySubmission\":{\"enabled\":false}}},\"form_instance\":\"ff_form_instance_3_1\",\"form_id_selector\":\"fluentform_3\",\"rules\":{\"input_text\":{\"required\":{\"value\":true,\"message\":\"This field is required\",\"global_message\":\"This field is required\",\"global\":true}},\"email\":{\"required\":{\"value\":true,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"},\"email\":{\"value\":true,\"message\":\"This field must contain a valid email\",\"global\":false,\"global_message\":\"This field must contain a valid email\"}},\"subject\":{\"required\":{\"value\":true,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}},\"message\":{\"required\":{\"value\":false,\"message\":\"This field is required\",\"global\":false,\"global_message\":\"This field is required\"}}},\"debounce_time\":300,\"file_upload_settings\":[]};\n                            <\/script>","protected":false},"excerpt":{"rendered":"<p>Application scope for sulfate rutile TiO2 Sulfate Rutile Tio2 needs an application-specific evaluation in interior epoxy-polyester powder coatings. This article focuses on grade screening, with particular attention to bake yellowing. The first decision is whether a candidate belongs in the trial at all. Define the application requirements, identify the material properties that might affect them, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3626,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","rank_math_title":"Sulfate Rutile TiO2: Grade Tests","rank_math_description":"Sulfate Rutile TiO2 for interior epoxy-polyester powder coatings: grade screening with practical checks for bake shade, process control and buyer approval.","rank_math_canonical_url":"https:\/\/www.hnlongtai.com\/sulfate-rutile-tio2-hybrid-powder-screening\/","rank_math_focus_keyword":"sulfate rutile TiO2"},"categories":[36],"tags":[],"class_list":["post-5049","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\/5049","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=5049"}],"version-history":[{"count":1,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/posts\/5049\/revisions"}],"predecessor-version":[{"id":5188,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/posts\/5049\/revisions\/5188"}],"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=5049"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/categories?post=5049"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hnlongtai.com\/zh\/wp-json\/wp\/v2\/tags?post=5049"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}