{"id":9095,"date":"2025-10-28T09:44:48","date_gmt":"2025-10-28T09:44:48","guid":{"rendered":"https:\/\/changhongchemical.com\/?p=9095"},"modified":"2026-04-27T11:16:05","modified_gmt":"2026-04-27T11:16:05","slug":"2025-several-technical-issues-regarding-pigments","status":"publish","type":"post","link":"https:\/\/changhongchemical.com\/fr\/2025-several-technical-issues-regarding-pigments\/","title":{"rendered":"2025 Plusieurs questions techniques concernant les pigments"},"content":{"rendered":"<h1><strong><b>2025<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Plusieurs questions techniques concernant les pigments<\/b><\/strong><\/h1>\r\nBonjour \u00e0 tous ! Je suis une employ\u00e9e vedette \u00e0 <a href=\"https:\/\/chromeclair.com\/\">CHROM\u00c9CLAIR<\/a>, une marque de <a href=\"https:\/\/chromeclair.com\/product-category\/solid-color-gel-polish\/\"><u>gel polish sans h\u00e9moglobine<\/u><\/a>Cette fois-ci, je vais organiser plusieurs questions et r\u00e9ponses techniques concernant les pigments pour les rev\u00eatements, en esp\u00e9rant qu'elles pourront vous aider.\r\n<h3><strong>01 Comment \u00e9viter d'utiliser des pigments toxiques de chromate et de molybdate de plomb sans compromettre la couleur de la peinture ?<\/strong><\/h3>\r\nDue to the toxicity of lead-containing pigments, countries are increasingly restricting their use in coatings. Formulators typically replace lead pigments with organic pigments combined with titanium dioxide. However, in certain applications, organic pigments blended with metal oxide hybrid pigments (inorganic composite colorants) demonstrate superior performance compared to titanium dioxide. The inherent vivid hues, high saturation, and excellent hiding power of metal oxide hybrid pigments offer formulators greater flexibility to reduce costly organic pigments in formulations, minimize or even eliminate titanium dioxide.\r\n\r\nFor organic pigments, numerous options also demonstrate excellent hiding power and weather resistance, making them viable alternatives to lead-containing pigments. Red pigments include Pigment Red 48:4, Red 112, Red 170, Red 254, Red 255, Violet 19, etc. Orange pigments include Pigment Orange 36 and Orange 73, among others. Yellow pigments include Pigment Yellow 74, Yellow 109, Yellow 110, Yellow 139, Yellow 151, and Yellow 154. Particularly for yellow pigments, we recommend using Bismuth Vanadate Yellow (Pigment Yellow 184). Bismuth Vanadate Yellow is significantly brighter than the metal oxide blend pigment Titanium Nickel (Pigment Yellow 53), offering superior tinting strength, better hiding power (even eliminating the need for added titanium dioxide), and outstanding heat and weather resistance. Finally, it is worth noting that compared to lead-containing pigments, all the pigments mentioned above are considered safe and non-toxic as long as proper dust extraction equipment is used during production (inhaling pigment dust is harmful to human lungs).\r\n\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-9098\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/1-9.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/1-9.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/1-9-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/1-9-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/1-9-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/1-9-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/1-9-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/1-9-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>\r\n<h3><strong>02 Quels sont les facteurs qui influencent la floculation des pigments dans les syst\u00e8mes de rev\u00eatement ?<\/strong><\/h3>\r\n<strong><b>Les param\u00e8tres suivants influencent la floculation :<\/b><\/strong>\r\n\r\n<strong><b>Viscosit\u00e9 :<\/b><\/strong>\u00a0Dans des conditions de faible viscosit\u00e9, les particules de pigment se d\u00e9placent plus facilement. Par cons\u00e9quent, la r\u00e9duction de la viscosit\u00e9 du syst\u00e8me de rev\u00eatement diminuera la taille des grappes de floculation et ralentira le taux de floculation. La temp\u00e9rature : L'effet de la temp\u00e9rature sur la viscosit\u00e9 est \u00e9vident. L'augmentation de la temp\u00e9rature entra\u00eene une diminution de la viscosit\u00e9, ce qui r\u00e9duit indirectement la floculation.\r\n\r\n<strong><b>Temps d'extinction<\/b><\/strong>\u00a0(temps de s\u00e9chage, intervalle entre les applications de pulv\u00e9risation deux couches humide sur humide, ou temps n\u00e9cessaire \u00e0 une \u00e9vaporation significative du solvant avant l'entr\u00e9e dans le four) : Des temps d'\u00e9vaporation excessivement longs peuvent \u00e9galement provoquer une floculation importante des pigments.\r\n\r\n<strong><b>Dioxyde de titane :<\/b><\/strong>\u00a0Le dioxyde de titane non enrob\u00e9 pr\u00e9sente une forte tendance \u00e0 la floculation. Taille et distribution des particules de pigment : Les particules de pigment plus petites pr\u00e9sentent une plus grande mobilit\u00e9 dans le syst\u00e8me de rev\u00eatement, ce qui augmente la probabilit\u00e9 de collisions et de floculation subs\u00e9quente. Cette caract\u00e9ristique n'est toutefois pas absolue. Des particules extr\u00eamement fines peuvent augmenter la viscosit\u00e9 globale du syst\u00e8me, r\u00e9duisant ainsi le mouvement des particules et diminuant le risque de floculation.\r\n\r\n&nbsp;\r\n\r\n<strong><b>Concentration en pigments<\/b><\/strong>\u00a0(dioxyde de titane et pigments colorants) : L'augmentation de la concentration en pigments augmente la viscosit\u00e9 du syst\u00e8me, ce qui r\u00e9duit la tendance \u00e0 la floculation.\r\n\r\n<strong><b>Reliure :<\/b><\/strong>\u00a0Les mol\u00e9cules de liant plus petites sont plus facilement adsorb\u00e9es sur les surfaces des pigments. Toutefois, en raison de leur volume r\u00e9duit, elles cr\u00e9ent moins d'entraves st\u00e9riques entre les particules de pigment, ce qui rend la floculation plus probable. Simultan\u00e9ment, la structure chimique du liant influence \u00e9galement la floculation des pigments.\r\n\r\n<strong><b>Solvant :<\/b><\/strong>\u00a0Le choix d'un bon solvant appropri\u00e9 permet aux mol\u00e9cules de polym\u00e8re liant de s'\u00e9tendre compl\u00e8tement, ce qui augmente la r\u00e9pulsion mutuelle entre les particules de pigment et emp\u00eache la floculation. Les mauvais solvants entra\u00eenent la contraction des mol\u00e9cules de polym\u00e8re liant en grappes, ce qui r\u00e9duit la r\u00e9pulsion st\u00e9rique entre les particules de pigment et favorise la floculation.\r\n<h3><strong><img decoding=\"async\" class=\"alignnone size-full wp-image-9099\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/2-9.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/2-9.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/2-9-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/2-9-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/2-9-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/2-9-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/2-9-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/2-9-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>03 Quels types de bleu de phtalocyanine peuvent \u00eatre utilis\u00e9s dans l'industrie des rev\u00eatements ?<\/strong><\/h3>\r\nPhthalocyanine blue primarily consists of copper phthalocyanine, featuring a complex chemical structure and appearing as a deep blue powder. It exhibits multiple crystalline forms, with three commercially available types: \u03b1-type phthalocyanine blue (Pigment Blue 15), which carries a red light and possesses the highest relative tinting strength; (Pigment Blue 15); \u03b2-type phthalocyanine blue (Pigment Blue 15:3), which exhibits a greenish hue and the best thermodynamic stability; and \u03b5-type phthalocyanine blue (Pigment Blue 15:6), which possesses the most vivid reddish hue. In aromatic solvents (e.g., xylene), \u03b1-phthalocyanine blue converts to the more stable \u03b2-phthalocyanine blue. To prevent this transformation, a portion of monochlorocopper phthalocyanine is typically blended during the pigmentation process of crude phthalocyanine blue to form solvent-stable \u03b1-phthalocyanine blue or Pigment Blue 15:1.\r\n\r\nDue to the nonpolar surface of phthalocyanine blue pigments, their interaction with binders in many coating systems is weak, leading to poor stability of the pigment dispersion. Coatings containing phthalocyanine blue pigments are prone to flocculation or separation during storage. This drawback is significantly improved by surface treatment and chemical modification of the solvent-stable Pigment Blue 15:1 molecules. The modified phthalocyanine blue pigment is designated as Pigment Blue 15:2 in the dye index.\r\n\r\nIn the coatings industry, \u03b1-type phthalocyanine blue with a red hue is preferred over \u03b2-type phthalocyanine blue with a green hue due to its vivid color, strong tinting strength, ease of dispersion, and excellent flow properties. Since flocculation occurs not only due to the pigment itself but also significantly relates to the binder and solvent in the coating system, it is impossible to identify a phthalocyanine blue variety that exhibits optimal anti-flocculation performance in every coating system. This requires coating professionals to determine the optimal formulation combinations through extensive experimentation tailored to different coating systems.\r\n<h3><strong><img decoding=\"async\" class=\"alignnone size-full wp-image-9100\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/3-9.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/3-9.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/3-9-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/3-9-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/3-9-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/3-9-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/3-9-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/3-9-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>04 Quelles sont les m\u00e9thodes permettant d'\u00e9valuer rapidement la dispersibilit\u00e9 d'un pigment ?<\/strong><\/h3>\r\nNous disposons de nombreuses m\u00e9thodes directes et indirectes pour \u00e9valuer la dispersion des pigments. Les m\u00e9thodes directes comprennent le test de la plaque de finesse, la microscopie optique et la microscopie \u00e9lectronique.\r\n\r\n<strong><b>Essai de plaque de finesse :<\/b><\/strong>\r\n\r\nLe test de finesse Hegman est une m\u00e9thode simple et rapide pour mesurer la finesse des mat\u00e9riaux broy\u00e9s dans les syst\u00e8mes liquides. La plaque de finesse Hegman est une plaque rectangulaire en acier inoxydable comportant deux rainures peu profondes usin\u00e9es avec pr\u00e9cision. La profondeur de ces rainures diminue progressivement de 100 microns \u00e0 0 micron. Une petite quantit\u00e9 de mat\u00e9riau broy\u00e9 est plac\u00e9e au point le plus profond de la rainure. Un grattoir \u00e0 deux lames en acier inoxydable est ensuite utilis\u00e9 pour racler toute la surface \u00e0 une vitesse uniforme vers l'extr\u00e9mit\u00e9 o\u00f9 la profondeur de la rainure est nulle. Les graduations sont marqu\u00e9es uniform\u00e9ment le long de la rainure, diminuant uniform\u00e9ment de z\u00e9ro au point le plus profond jusqu'\u00e0 la graduation 8 ou 10 sur la surface horizontale de la plaque de finesse. La graduation o\u00f9 les particules de pigment apparaissent pour la premi\u00e8re fois sous forme de points denses, d\u00e9passant clairement de la surface du mat\u00e9riau broy\u00e9, est consid\u00e9r\u00e9e comme l'indicateur du degr\u00e9 de dispersion. En r\u00e8gle g\u00e9n\u00e9rale, une graduation minimale de 7 est n\u00e9cessaire pour indiquer une dispersion efficace.\r\n\r\n<strong><b>M\u00e9thode d'essai de la finesse :<\/b><\/strong>\r\n\r\nThe use of an optical microscope provides a rapid method for visually assessing pigment particle size and fineness. It also allows observation of the pigment&#8217;s tinting strength.\r\n\r\nAdditionally, it enables examination of pigment particle morphology, size, distribution, and flocculation. The specific experimental procedure involves placing a small drop of ground material onto a microscope slide and covering it with a cover slip. Take care not to apply excessive pressure when covering the slide to prevent the material from spreading excessively, which could compromise the test results. The primary limitation of optical microscopy is its low resolution, with a minimum discernible size of approximately 2 micrometers.\r\n\r\n<strong><b>M\u00e9thode d'essai de finesse par microscopie \u00e9lectronique :<\/b><\/strong>\r\n\r\nThe high resolution of the electron microscope is a major advantage, allowing direct observation of pigment particle size. Pigment particle size critically influences key coating properties such as transparency, flowability, and hue.\r\n\r\nThe main drawbacks of the electron microscope fineness testing method are the high cost of the equipment, the lengthy testing time, the requirement for experienced technicians to analyze and interpret the test data, and the necessity for samples to be completely dry before measurement.\r\n<h3><strong><img decoding=\"async\" class=\"alignnone size-full wp-image-9097\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/4-8.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/4-8.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/4-8-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/4-8-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/4-8-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/4-8-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/4-8-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/4-8-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/>05 Que signifie la r\u00e9sistance des pigments aux solvants ?<\/strong><\/h3>\r\nIn paint production, we must uniformly and stably disperse pigments throughout most organic binders (composed of resins and solvents), meaning pigments must be surrounded by organic solvents. Furthermore, most paints colored with pigments inevitably come into frequent contact with organic solvents (cleaning agents, gasoline, lubricants, etc.) during their effective service life. Therefore, pigments must be as insoluble as possible in organic solvents. If complete insolubility cannot be achieved, we must recognize that pigment addition is limited in various organic solvents. Exceeding this tolerance level will cause bleeding due to pigment dissolution in the solvent. Essentially, pigment solvent resistance is the pigment&#8217;s ability to resist dissolution by solvents and prevent bleeding. Inorganic pigments (due to their inherent chemical structure) and certain complex organic synthetic pigments generally exhibit excellent solvent resistance. However, lower-grade organic pigments and surface-treated pigments typically demonstrate poorer solvent resistance. Solvents used to evaluate pigment solvent resistance include water, turpentine, toluene, xylene, methyl ethyl ketone, ethanol, ethyl acetate, diethylene glycol, and trichloroethylene.\r\n\r\nThat&#8217;s all for today! I hope this article helps you understand pigments more easily!\r\n\r\nCHROM\u00c9CLAIR offers Base coats, Top coats, solid color <a href=\"https:\/\/chromeclair.com\/product-category\/solid-color-gel-polish\/\"><u>gel polish sans HEMA<\/u><\/a>et <a href=\"http:\/\/chromeclair.com\/product\/cat-eye-gel-polish-hema-free-and-tpo-free-ce08\/\"><u>Vernis gel pour les yeux de chat sans h\u00e9matome<\/u><\/a>.\r\n\r\n<img decoding=\"async\" class=\"alignnone size-full wp-image-8989\" src=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/hema-free-gel-polish-3.webp\" alt=\"\" width=\"3462\" height=\"2084\" srcset=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/hema-free-gel-polish-3.webp 3462w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/hema-free-gel-polish-3-768x462.webp 768w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/hema-free-gel-polish-3-1536x925.webp 1536w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/hema-free-gel-polish-3-2048x1233.webp 2048w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/hema-free-gel-polish-3-18x12.webp 18w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/hema-free-gel-polish-3-1196x720.webp 1196w, https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/09\/hema-free-gel-polish-3-600x361.webp 600w\" sizes=\"(max-width: 3462px) 100vw, 3462px\" \/> Leur site web propose \u00e9galement des tutoriels de nail art, comme par exemple :\r\n<p class=\"entry-title\"><a href=\"https:\/\/chromeclair.com\/how-to-do-the-metal-3d-floral-nail-art-at-home\/\">Comment r\u00e9aliser le Nail Art floral 3D en m\u00e9tal \u00e0 la maison ?\u00a0<\/a><\/p>\r\n<p class=\"entry-title\"><a href=\"https:\/\/chromeclair.com\/get-a-sheer-french-manicure-without-crystal-glue\/\">Obtenez une manucure fran\u00e7aise transparente sans colle de cristal !<\/a><\/p>\r\n&nbsp;\n\n\n<p><strong>Related product references:<\/strong> For formulation review or sourcing comparison, see <a href=\"https:\/\/changhongchemical.com\/product\/chlumiao-ho-17-17eh\/\">CHLUMIAO HO-17\/17EH<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hello everyone! I&#8217;m a star employee at CHROM\u00c9CLAIR, a brand of hema free gel polish.This time, I&#8217;ll organize several technical questions and answers regarding pigments for coatings, hoping it can be of help to&#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[198],"tags":[],"class_list":["post-9095","post","type-post","status-publish","format-standard","hentry","category-gel-polish"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>2025 Several Technical Issues Regarding Pigments- Changhong Chemical<\/title>\n<meta name=\"description\" content=\"Hello everyone! I&#039;m a star employee at CHROM\u00c9CLAIR, a brand of hema free gel polish.This time, I&#039;ll organize several technical questions and answers regarding pigments for coatings, hoping it can be of help to you.01 How can we avoid using toxic lead chromate and lead molybdate pigments without compromising paint color?Due to the toxicity of lead-containing pigments, countries are increasingly restricting their use in coatings. Formulators typically replace lead pigments with organic pigments combined with titanium dioxide. However, in certain applications, organic pigments blended with metal oxide hybrid pigments (inorganic composite colorants) demonstrate superior performance compared to titanium dioxide. The inherent vivid hues, high saturation, and excellent hiding power of metal oxide hybrid pigments offer formulators greater flexibility to reduce costly organic pigments in formulations, minimize or even eliminate titanium dioxide.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/changhongchemical.com\/fr\/2025-several-technical-issues-regarding-pigments\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2025 Several Technical Issues Regarding Pigments- Changhong Chemical\" \/>\n<meta property=\"og:description\" content=\"Hello everyone! I&#039;m a star employee at CHROM\u00c9CLAIR, a brand of hema free gel polish.This time, I&#039;ll organize several technical questions and answers regarding pigments for coatings, hoping it can be of help to you.01 How can we avoid using toxic lead chromate and lead molybdate pigments without compromising paint color?Due to the toxicity of lead-containing pigments, countries are increasingly restricting their use in coatings. Formulators typically replace lead pigments with organic pigments combined with titanium dioxide. However, in certain applications, organic pigments blended with metal oxide hybrid pigments (inorganic composite colorants) demonstrate superior performance compared to titanium dioxide. The inherent vivid hues, high saturation, and excellent hiding power of metal oxide hybrid pigments offer formulators greater flexibility to reduce costly organic pigments in formulations, minimize or even eliminate titanium dioxide.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/changhongchemical.com\/fr\/2025-several-technical-issues-regarding-pigments\/\" \/>\n<meta property=\"og:site_name\" content=\"Changhong Chemical\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-28T09:44:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-27T11:16:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/changhongchemical.com\/wp-content\/uploads\/2025\/10\/1-9.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"3462\" \/>\n\t<meta property=\"og:image:height\" content=\"2084\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Changhong Chemical\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Changhong Chemical\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/2025-several-technical-issues-regarding-pigments\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/2025-several-technical-issues-regarding-pigments\\\/\"},\"author\":{\"name\":\"Changhong Chemical\",\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/#\\\/schema\\\/person\\\/2a9593ff69d6db8f8ca0567ca3ed6b5d\"},\"headline\":\"2025 Several Technical Issues Regarding Pigments\",\"datePublished\":\"2025-10-28T09:44:48+00:00\",\"dateModified\":\"2026-04-27T11:16:05+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/2025-several-technical-issues-regarding-pigments\\\/\"},\"wordCount\":1448,\"publisher\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/2025-several-technical-issues-regarding-pigments\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/changhongchemical.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/1-9.webp\",\"articleSection\":[\"Gel Polish\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/2025-several-technical-issues-regarding-pigments\\\/\",\"url\":\"https:\\\/\\\/changhongchemical.com\\\/2025-several-technical-issues-regarding-pigments\\\/\",\"name\":\"2025 Several Technical Issues Regarding Pigments- Changhong Chemical\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/2025-several-technical-issues-regarding-pigments\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/changhongchemical.com\\\/2025-several-technical-issues-regarding-pigments\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/changhongchemical.com\\\/wp-content\\\/uploads\\\/2025\\\/10\\\/1-9.webp\",\"datePublished\":\"2025-10-28T09:44:48+00:00\",\"dateModified\":\"2026-04-27T11:16:05+00:00\",\"description\":\"Hello everyone! I'm a star employee at CHROM\u00c9CLAIR, a brand of hema free gel polish.This time, I'll organize several technical questions and answers regarding pigments for coatings, hoping it can be of help to you.01 How can we avoid using toxic lead chromate and lead molybdate pigments without compromising paint color?Due to the toxicity of lead-containing pigments, countries are increasingly restricting their use in coatings. Formulators typically replace lead pigments with organic pigments combined with titanium dioxide. However, in certain applications, organic pigments blended with metal oxide hybrid pigments (inorganic composite colorants) demonstrate superior performance compared to titanium dioxide. 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Je suis une employ\u00e9e vedette de CHROM\u00c9CLAIR, une marque de gel polish sans h\u00e9matome.Cette fois-ci, je vais organiser plusieurs questions et r\u00e9ponses techniques concernant les pigments pour les rev\u00eatements, en esp\u00e9rant que cela puisse vous aider.01 Comment pouvons-nous \u00e9viter d'utiliser des pigments toxiques de chromate de plomb et de molybdate de plomb sans compromettre la couleur de la peinture?En raison de la toxicit\u00e9 des pigments contenant du plomb, les pays restreignent de plus en plus leur utilisation dans les rev\u00eatements. Les formulateurs remplacent g\u00e9n\u00e9ralement les pigments au plomb par des pigments organiques combin\u00e9s \u00e0 du dioxyde de titane. Toutefois, dans certaines applications, les pigments organiques m\u00e9lang\u00e9s \u00e0 des pigments hybrides d'oxyde m\u00e9tallique (colorants composites inorganiques) pr\u00e9sentent des performances sup\u00e9rieures \u00e0 celles du dioxyde de titane. 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