Rabara ya styrene butadiene (SBR), yomwe imadziwikanso kuti polystyrene butadiene copolymer.
Magwiridwe a ntchito ndi ntchito ya mankhwala ali pafupi ndi mphira wachilengedwe. Zina monga kukana kuvala, kukana kutentha, kukana kukalamba komanso kuthamanga kwa vulcanization ndizabwino kuposa mphira wachilengedwe. Zitha kugwiritsidwa ntchito limodzi ndi mphira wachilengedwe komanso mphira wosiyanasiyana wopangidwa. Amagwiritsidwa ntchito kwambiri mu tayala, tepi, chubu labala, waya ndi chingwe, zida zamankhwala ndi zinthu za mphira. Ndiwo mitundu yayikulu kwambiri yopangira mphira, Ilinso imodzi mwamitundu yakale kwambiri ya mphira kuti ikwaniritse chitukuko.
Nthawi yotumiza: Jun-21-2021
