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Is carbon black an organic substance?
No, carbon black is a simple carbon and amorphous carbon. Mainly used as reinforcing agent and filler of rubber, the dosage is about half of rubber. Carbon black for rubber accounts for 94% of the total carbon black, of which about 60% is used in tire manufacturing. In addition, it is also used as a colorant for ink, paint and plastics, and as an ultraviolet shielding agent for plastic products. It is also an important additive for many other products, such as electrodes, dry batteries, resistors, explosives, cosmetics and polishing paste. Furnace black is mainly used for rubber products. The finer the particle size of carbon black, the better its reinforcement performance. The higher the structural degree of carbon black, the higher its modulus and modulus. Fine-grained reinforcement varieties are mainly used for tire treads, giving tires excellent wear resistance. Other parts of the tire, such as sidewall, cord fabric, belt buffer layer and inner liner, require the rubber compound to be resistant to flex cracking, ozone oxidation, good resilience and low heat generation performance. Generally, semi-reinforced furnace black is selected with coarse particle size (specific surface area is less than 40m2/g). Pigment tank black is widely used in ink, coatings and plastics. Ink, especially news ink, mainly uses black pigment tank. In the process of coating manufacturing, high pigment groove black gives high-grade automobile topcoat excellent blackness and luster, while the pigment groove black is used in general industrial coatings. In addition, medium pigment tank black is also often used as an ultraviolet shielding agent for polyolefins to improve the weather resistance of plastic products. Groove black for rubber is mainly used for tires, especially for cross-country and bias tires, which gives the tread high strength and good wear resistance. Pyrolysis carbon black is mainly used for rubber products. Because of its coarse particle size and poor reinforcement performance, it is only used in occasions where the maximum filling increment is needed, such as manufacturing rubber pads, rubber hoses, sponge products, sealing rings, tire liners, bead rubber and insulating products.

Activated carbon mainly plays an adsorption role and is also a kind of amorphous carbon.