No Flow Mark No Color Spot Heat Resistant Non-Fading Silicone Masterbatch. Customizable Colors: Available in any color; custom matching based on customer's samples, Pantone numbers or pictures. Food Grade Safety: Passed RoHS, REACH, FDA, LFGB, and PAHS tests for safe use in food and medical applications. High Concentration: Low addition ratio of 0.5% to 2% ensures efficient coloring with minimal material usage. Excellent Dispersion: Stable performance with good dispersion and resistance to solidification in rubber compounds. Versatile Application: Suitable for compression molding, calendering, extrusion, and foaming processes. No Flow Marks,no color spots, non-fading,Ensures clean, hygienic production free from pollution. Free Samples Available: Free samples provided to initiate cooperation with a 2-day preparation time.