Carbon black sweep is a material produced by the incomplete combustion of heavy petroleum products such as FCC tar, coal tar, ethylene cracking tar.
At SPI we have dedicated team to source sweep of carbon units of tyre manufacturing companies. With similar properties as first grade carbon, carbon black sweep is used in every black rubber compound due to its cost effectiveness.
Carbon black sweep when added to the rubber compound produces a tenfold increase in wear resistance of the tires. It represents 25 to 30% of the rubber composition and gives tires their distinctive color. Indeed, this color is very effective in acting against ultraviolet rays to prevent the rubber from fissuring and cracking