{"id":2133,"date":"2020-01-28T10:30:37","date_gmt":"2020-01-28T09:30:37","guid":{"rendered":"https:\/\/www.irweego.ovh\/sncz\/?post_type=pigment&p=2133"},"modified":"2025-08-25T14:57:13","modified_gmt":"2025-08-25T12:57:13","slug":"zinc-tetraoxychromate-tc20","status":"publish","type":"pigment","link":"https:\/\/www.sncz.com\/en\/pigment\/zinc-tetraoxychromate-tc20\/","title":{"rendered":"ZINC TETRAOXYCHROMATE TC20"},"content":{"rendered":"\t\t
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DESCRIPTION<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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TC20<\/strong>\u00a0is a low dust, yellow powder. This is a stable and non-hygroscopic powder with a low tinting strength, it is easily dispersed.<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Technical data<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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<\/td>NOMINAL VALUE<\/th>TOLERANCE (+\/-)\u200b<\/th>TEST METHOD<\/th>\n<\/tr>\n<\/thead>\n
Cr as CrO3<\/sub> content (%)<\/td>16.0<\/td>min<\/td>ICP<\/td>\n<\/tr>\n
Zn as ZnO content (%)<\/td>68.5<\/td>min<\/td>ICP<\/td>\n<\/tr>\n
Oil absorption (cm3<\/sup>\/100g)<\/td>35<\/td>5<\/td>ISO 787-5<\/td>\n<\/tr>\n
Sieve residue - 45 microns (%)<\/td>0.05<\/td>max<\/td>ISO 787-7<\/td>\n<\/tr>\n
Density (g\/mL)<\/td>Typ. 3.8<\/td><\/td>ISO 8130-2<\/td>\n<\/tr>\n
D50 (\u03bcm)<\/td>Typ. 5<\/td><\/td>ISO 13320<\/td>\n<\/tr>\n
Fineness Hegman<\/td>Typ. 5.5<\/td><\/td>ISO 787-5
ISO 1524<\/td>\n<\/tr>\n
Water soluble CrO3<\/sub> (g\/L)<\/td>Typ. 0.15<\/td><\/td>ISO 1249<\/td>\n<\/tr>\n
Moisture content (%) - 1h at 105\u00b0C<\/td>Typ. 1.0<\/td><\/td>ISO 787-2<\/td>\n<\/tr>\n
Bonded water content (%) - 1h at 320\u00b0C\t<\/td>Typ. 10<\/td><\/td>Gravimetry<\/td>\n<\/tr>\n<\/tbody>\n
RECOMMENDED SHELF LIFE : 5 YEARS<\/th><\/td><\/td><\/td>\n<\/tr>\n<\/tfoot>\n<\/table>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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FORMULATORS GUIDELINES<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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TC20<\/strong> is recommended for use in all sorts of temporary protection systems. It is particularly recommended for shop primers and wash primers designed for steel and aluminium protection.<\/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<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

ZINC TETRAHYDROXYDE CHROMATE ZnCrO4<\/sub>, 4 Zn(OH)2<\/sub><\/p>\n","protected":false},"author":1,"featured_media":342,"template":"","meta":{"_acf_changed":false,"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":"","footnotes":""},"pigment-category":[31],"paint-category":[],"class_list":["post-2133","pigment","type-pigment","status-publish","has-post-thumbnail","hentry","pigment-category-chromates"],"acf":[],"yoast_head":"\nZINC TETRAOXYCHROMATE TC20 - SNCZ<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sncz.com\/en\/pigment\/zinc-tetraoxychromate-tc20\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ZINC TETRAOXYCHROMATE TC20 - SNCZ\" \/>\n<meta property=\"og:description\" content=\"ZINC TETRAHYDROXYDE CHROMATE ZnCrO4, 4 Zn(OH)2\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sncz.com\/en\/pigment\/zinc-tetraoxychromate-tc20\/\" \/>\n<meta property=\"og:site_name\" content=\"SNCZ\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-25T12:57:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sncz.com\/wp-content\/uploads\/2019\/12\/header-fiche3.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.sncz.com\\\/en\\\/pigment\\\/zinc-tetraoxychromate-tc20\\\/\",\"url\":\"https:\\\/\\\/www.sncz.com\\\/en\\\/pigment\\\/zinc-tetraoxychromate-tc20\\\/\",\"name\":\"ZINC TETRAOXYCHROMATE TC20 - 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