... Water soluble InsolubleUse: Used mainly in trades such as the rubber, paint, printing ink,etc. Chemical Name: carbon black Chemical formula:C CASRN ... 25 kgs/ bag net weight, packed in kraft paper, with pallet. Usage: Carbon Black used for high, middle and low ink, ... anti-ultraviolet light, or electrical conductivity;Carbon black can also be used as rubber reinforcing agent and filler; Plastic products ...