POLYVEST® eCO ST-E 60 Bio

POLYVEST® eCO ST-E 60 Bio by Evonik is a dispersion additive for rubber based formulations. It is a stereospecific, low viscous and triethoxysilane-terminated liquid polybutadiene. It has been shown to reduce the use of fossil raw materials by up to >87%. It exhibits high chemical resistance, good dispersion and chemical modification with high loading capacity of inorganic fillers and high cold resistance by keeping good flexibility at low temperatures. It possesses low moisture and gas permeability and shows excellent compatibility with solid rubber and recycled rubber. It is recommended for use in tires. POLYVEST® eCO ST-E 60 Bio is stable for at least 12 months.