{"id":893,"date":"2025-11-26T09:08:20","date_gmt":"2025-11-26T01:08:20","guid":{"rendered":"https:\/\/senova-chem.com\/?post_type=product&p=893"},"modified":"2025-12-18T13:52:41","modified_gmt":"2025-12-18T05:52:41","slug":"pigment-red-sy-208","status":"publish","type":"product","link":"https:\/\/senova-chem.com\/ar\/product\/pigment-red-sy-208\/","title":{"rendered":"Pigment RED SY-208"},"content":{"rendered":"

1.Typical Physical and Chemical Properties<\/strong><\/p>\n

Pigment RED SY-208<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Property<\/td>\nTypical Value \/ Description<\/td>\nTest Method<\/td>\n<\/tr>\n
Colour Mass Tone<\/b><\/strong><\/td>\nMedium to yellowish red<\/td>\nVisual comparison<\/td>\n<\/tr>\n
Density (g\/cm\u00b3)<\/b><\/strong><\/td>\n~1.45 – 1.55<\/td>\nISO 787-10<\/td>\n<\/tr>\n
Bulk Volume (l\/kg)<\/b><\/strong><\/td>\n~1.8 – 2.5<\/td>\n—<\/td>\n<\/tr>\n
Oil Absorption (g\/100g)<\/b><\/strong><\/td>\n40 – 55<\/td>\nASTM D281<\/td>\n<\/tr>\n
Specific Surface Area (m\u00b2\/g)<\/b><\/strong><\/td>\n15 – 30<\/td>\nBET method<\/td>\n<\/tr>\n
pH Value (10% Aqueous Slurry)<\/b><\/strong><\/td>\n6.0 – 8.0<\/td>\nISO 787-9<\/td>\n<\/tr>\n
Water Content (%)<\/b><\/strong><\/td>\n\u2264 1.5<\/td>\nISO 787-2<\/td>\n<\/tr>\n
Volatile Matter (%)<\/b><\/strong><\/td>\n\u2264 2.0<\/td>\n—<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2. Application Properties<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
Property<\/td>\nPerformance Rating<\/td>\nComments<\/td>\n<\/tr>\n
Lightfastness (Full Shade)<\/b><\/strong><\/td>\nFair to Moderate (3-4)<\/td>\nNot suitable for high-durability outdoor applications.<\/td>\n<\/tr>\n
Weather Resistance<\/b><\/strong><\/td>\nPoor<\/td>\nNot recommended for automotive or exterior coatings.<\/td>\n<\/tr>\n
Heat Resistance (\u00b0C)<\/b><\/strong><\/td>\n140 – 160<\/td>\nStable for most plastic processing and baking enamels.<\/td>\n<\/tr>\n
Migration Resistance<\/b><\/strong><\/td>\nGood<\/td>\nGood in most common application media.<\/td>\n<\/tr>\n
Acid Resistance<\/b><\/strong><\/td>\nFair<\/td>\nMay be sensitive to strong acids.<\/td>\n<\/tr>\n
Alkali Resistance<\/b><\/strong><\/td>\nPoor<\/td>\nNot stable in alkaline environments.<\/td>\n<\/tr>\n
Solvent Resistance<\/b><\/strong><\/td>\nFair to Good<\/td>\nResistant to aliphatic hydrocarbons; may bleed in some polar solvents (alcohols, esters, ketones).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

*(Note: Performance ratings are on a 1-5 scale, where 5 is excellent.)*<\/p>\n

3. Recommended Applications<\/strong><\/p>\n

Due to its cost-effectiveness and bright red shade, PR21 is widely used in:<\/p>\n

Industrial Paints & Coatings:<\/b><\/strong>\u00a0Air-drying systems, primers.<\/p>\n

Printing Inks:<\/b><\/strong>\u00a0Especially for packaging inks and other applications where high lightfastness is not critical.<\/p>\n

Plastics:<\/b><\/strong>\u00a0Coloring of PVC, LDPE, and other polymers processed at moderate temperatures.<\/p>\n

Office & Stationery Products:<\/b><\/strong>\u00a0Inks, toners, and colored pencils.<\/p>\n

Textile Printing.<\/b><\/strong><\/p>\n

Latex Emulsions.<\/b><\/strong><\/p>","protected":false},"excerpt":{"rendered":"

CI:Pigment Red 21
\nCAS Number:\u00a06410-26-0
\nEINECS Number:\u00a0229-091-6
\nMolecular Formula:\u00a0C\u2082\u2082H\u2081\u2088N\u2084O\u2084
\nChemical Class:\u00a0Monoazo (\u03b2-Naphthol)<\/p>","protected":false},"featured_media":807,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[23,21],"product_tag":[],"class_list":["post-893","product","type-product","status-publish","has-post-thumbnail","product_cat-organic-pigments","product_cat-pigments","desktop-align-left","tablet-align-left","mobile-align-left","ast-product-gallery-layout-horizontal-slider","ast-product-gallery-with-no-image","ast-product-tabs-layout-horizontal","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/senova-chem.com\/ar\/wp-json\/wp\/v2\/product\/893","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/senova-chem.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/senova-chem.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/senova-chem.com\/ar\/wp-json\/wp\/v2\/media\/807"}],"wp:attachment":[{"href":"https:\/\/senova-chem.com\/ar\/wp-json\/wp\/v2\/media?parent=893"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/senova-chem.com\/ar\/wp-json\/wp\/v2\/product_brand?post=893"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/senova-chem.com\/ar\/wp-json\/wp\/v2\/product_cat?post=893"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/senova-chem.com\/ar\/wp-json\/wp\/v2\/product_tag?post=893"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}