China St100 St200 St600 Special for High Pigment Carbon Black, Paint, Masterbatch, Ink and Coatings Oil Absorption Value 45% Blackness 145, Find details about China Rubber Material, Rubber Chemical from St100 St200 St600 Special for High Pigment Carbon Black, Paint, Masterbatch, Ink and Coatings Oil Absorption Value 45% Blackness 145