BR，即丁二烯橡胶的简称，是一种高性能合成橡胶，由丁二烯单体聚合而成。.
Medium‑high nitrile NBR, short for medium‑high acrylonitrile butadiene rubber, is a widely used oil‑resistant synthetic rubber produced by copolymerizing acrylonitrile and butadiene, offering an excellent balance of oil resistance, elasticity and mechanical properties for industrial sealing and automotive applications.
SBR (Styrene-Butadiene Rubber) is a widely used synthetic rubber with good abrasion resistance, elasticity and processability.
