Physical Properties: room temperature is a yellowish transparent semi-solid material, non-toxic and tasteless. Has good chemical stability and resistance to heat, ozone, acid, UV resistant, weather resistance and other properties. Its volume resistivity is high, the expansion coefficient is small, non-dielectric, electric insulation, thermal decomposition residue-free, and polyethylene, paraffin, etc. have a good compatibility. Soluble in gasoline, benzene and other organic solvents, insoluble in water, alcohol solvents, good shear stability. This product is non-dangerous goods, in the 20kg weight polyisobutylene with the use of anti-sticking paper carton or 50 drum packaging.