mass-balance method

Asahi Kasei has begun in November selling solution-polymerized styrene-butadiene rubber (SSBR) and butadiene rubber (BR) using the mass balance method. In October, the company’s Synthetic Rubber Division obtained ISCC PLUS certification. Asahi Kasei Synthetic Rubber Singapore has already obtained this certification, and together with the synthetic rubber plant at the Kawasaki Plant, the company has decided to sell its products...