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Request a documentSunbrite® Red 57:1 is an easy‑dispersing organic red pigment classified as Colour Index Pigment Red 57:1 (CI 15850:1), supplied as a dry color pigment. It is intended for plastic film and fiber applications, with documented suitability for rubber, LDPE, PP, and HDPE systems, and limited suitability in selected plastics grades. The pigment is characterized by defined oil absorption, controlled density, and evaluated chemical resistance, together with specified heat‑, weather‑, and lightfastness performance, supporting consistent results in professional formulations.