Tosoh has developed a bio-based chlorosulfonated polyethylene (CSM) rubber marketed under its Toso-CSM brand, and established mass production technology. This marks the world’s first development of a chlorosulfonated polyethylene product utilizing bio-based materials. Toso-CSM is widely used in industrial products, adhesives, rubber-coated fabrics, and handrails. Known for its high durability, it contributes to the extended lifespan of products and has…