Pigment red 265 with excellent physical and chemical properties.Strong covering capacity, tinting strength high, colour and lustre downy, stable performance, insoluble in water and organic solvent, alkali resistance, weak acid and dilute acid has certain stability, has good heat resistance and excellent light fastness, weather resistance.
Cerium red,Pigment red 265 is mainly used in plastics, masterbatch, outdoor plastic products, PVC profiles, window of model steel door), nylon, dental materials, color electronic ink, paint, 3D printing, powder coatings,sculpture, coloured glass, navigation buoy, ceramics and other industries.
| Color | L* | a* | b* |
| 41.5±1.5 | 54.5±1.5 | 38.5±1.5 | |
| Particle Size(D50),μ ＜ | 1.0±2.0 | ||
| Oil Absorption,g/100g | 20-28 | ||
| Bulk Density，g/cm3 ≥ | 0.6-0.8 | ||
| Residue on Sieve（45μm)，% ＜ | 0.3 | ||
| PH（ water suspension） | 7～9 | ||
| Relative Color Strengt（guide sample），∆E ≤ | 2.6 | ||
| Heat Resistance，℃ ≥ | 280 | ||
| Weather Fastness，class | 5 | ||
| Light Fastness,class | 8 | ||
| Acid Resistance,class | A2～3，B2/3 | ||
| Alkali Resistance,class | A4～5，B4/5 | ||
Pigment Red 265 is a cerium sulfide pigment (rare-earth sulfide, Ce₂S₃) and appears in the Colour Index as C.I. Pigment Red 265 (C.I. 77283:2). Manufacturers may list CAS records and grade codes—always confirm CAS and grade with your supplier before specification.
PR265 performs exceptionally in thermoplastic processing (ABS, PVC, PE/PP masterbatches when properly dispersed), powder coatings, and high-temperature coatings. Its thermal stability and lightfastness make it a good choice where colour durability and heat resistance are required. For inks and specialty ceramics, confirm compatibility and firing/curing profiles with the pigment supplier.
Because PR265 is an inorganic powder, mechanical dispersion (high-speed mixing, three-roll milling or high-shear kneading) plus suitable wetting/dispersing additives is recommended. Surface-treated grades (silane/oxide coatings) often improve dispersion, gloss and migration resistance—specify treated vs untreated grades based on final resin and appearance targets.
Yes—PR265 is reported to have excellent lightfastness and weather resistance compared with many organic red pigments, which makes it suitable for outdoor applications such as exterior powder coatings, outdoor plastic parts and signage. Still test final formulations under accelerated weathering to validate performance.
PR265 is an inorganic cerium sulfide pigment; regulatory status (RoHS, REACH, food contact, etc.) depends on manufacturer purity, trace contaminants and intended use. Request the supplier's compliance documents, SDS and test certificates for your specific grade and application before approval.
PR265 is often marketed as a durable inorganic alternative where higher heat- and light-resistance are required, and in some cases it replaces molybdate or other inorganic reds. However, colour shade, opacity, cost and processing behaviour differ—run side-by-side trials for tinting strength, final shade and migration before full substitution.
