Payment Terms: T/T, L/C at sight Delivery Time: shipment within 15 - 25 days after receipt of advance payment or original L/C.Molecular weight: 12.01 Properties: Black powder which is insoluble in water, acid and alkali. It is combustible in the air with a good insulation and a high level of opacity. Applications: The most common use is as a pigment and reinforcing phase in automobile tires. Carbon black also helps conduct heat away from the tread and belt area of the tire, reducing thermal damage and increasing tire life.PACKAGE: 20kg paper bag