Polyoxymethylene, oo sida badan loo yaqaan POM, waa balaastikada injineernimada thermoplastic oo leh barta dhalaalaysa sare iyo crystallinty sare, taas oo aad ugu habboon shaqada mashiinka mashiinka si toos ah, gaar ahaan wax soo saarka qaybta saxda ah.