... , do gear and wear partsNature of the crystalline thermoplastic plastic with a clear melting point of 165 ~ 175 ° C, ... the nature of the nearest metal, generally referred to ... thermal decomposition2, no self-extinguishing3, acid poor4, forming shrinkageUse of Pom(Polyacetal ) TubePOMElectronic appliances: washing machine, blender parts, ...