Bayferrox 640 Brown is an iron oxide-based inorganic pigment offering high color fastness and superior performance. Its medium brown tone, high heat resistance, and UV resistance make it suitable for use in plastics, paints, cement, and coatings. Product Specifications Product Code: Bayferrox 640 Color: Medium Brown Iron oxide-based inorganic pigment. Suitable for use in plastics, water- and solvent-based paints, cement, epoxy, and coatings. Suitable for PE, PP, ABS, PS, EVA, PVC, and rubber applications. Heat Resistance: 300 °C Light Fastness: 8 Made in Germany. Applications Provides high-strength and permanent brown coloring in plastics, masterbatch, paint, cement, construction chemicals, epoxy, polyurethane, and rubber applications.