HTPB, yomwe imadziwikanso kuti hydroxyl-terminated polybutadiene, ndi polima yotchuka m'mafakitale osiyanasiyana chifukwa cha mawonekedwe ake apadera komanso kusinthasintha. M'nkhaniyi, tiona zosiyanasiyana ntchito ndi ntchito HTPB. HTPB ndi mphira wopangidwa ndi polymerized kuchokera ku butadiene ndi divinylbenzene pang'ono. Zotsatira zake zimakhala ndi hydroxyl (-OH) termini, yomwe imapereka zinthu zambiri zomwe zimafunidwa ku polima.