... steel. As one of the top 5 engineering plastics (PA, PC, POM, PET or PBT, PPO), POM is widely used in ... as video tape recorder, radio, stereo, home appliances like printer, CD-ROM drive, washing machine, drier, hair drier, automobile components like ... .8-2.21.8-2.21.8-2.2Direction level PC polycarbonate