Iron Oxide Red Silicone Colorant Rubber Color Masterbatch for Extrusion&Foaming Silicone Products. Custom Color Options: Available in any color based on customer samples or Pantone codes. Wide Application Range: Suitable for extrusion, foaming, compression molding, and calendering processes. Environmental Compliance: Passed ROHS, REACH, FDA, LFGB, and PAHS safety tests. High Production Efficiency: Clean, hygienic, and easy to use with low addition ratios of 0.3% to 1.8%. Excellent Dispersion: Stable performance with good dispersion and no solidification issues. Vulcanization Compatibility: Compatible with various vulcanizing agents without color change. Source Factory Direct: Direct manufacturer with competitive pricing and fast production speeds.