A. 聚苯乙烯(Polystyrene,PS)、硅橡胶(Silicone rubber)、腈纶(Polyacrylonitrile fiber,PAN)

B. 聚丙烯(Polypropylene,PP)、丁基橡胶(Isobutylene isoprene rubber,IIR)、丙纶(Polypropylene fiber)

C. 聚乙烯(polyethylene,PE)、乙丙橡胶(Pthylene propylene rubber,EPR))、涤纶(Polyethylene terephthalate,PET)

D. 酚醛树脂(Phenol formaldehyde resin,Phenol resin,PF)、丁钠橡胶(Butyl sodium rubber)、尼龙-66(Polyamide 66,PA66)