Black masterbatch is a kind of color masterbatch, but its position with other color master batch has a little different. Black masterbatch for plastics processing are the most commonly used color masterbatch, is also one of the largest masterbatch. Is made up of a high percentage of pigment of black masterbatch or additive and thermoplastic resin, good dispersion of plastics colorants, their selection of resins for colouring agents with good wetting and dispersion, and has good compatibility with the pigmented material, namely: pigments = + carrier + additive masterbatches.