Semitron® CMP LL5 PET-P

Polyethylene Terephthalate Polyester
Optimized for use in CMP retaining rings, Semitron® CMP LL5 is a high-performance PET-P material with a superior wear life that is up to eight times greater than standard PPS when used in oxide chemistries. Its excellent wear and chemical resistance makes this specialty PET-P grade ideal for increasing the performance of CMP tools operating in temperatures up to 60 °C (140 °F).
Semitron® CMP LL5 PET-P plastic stock shapes
Product Information

Material Properties

  • Long wearing material, 5x that of PPS
  • Best performance in oxide chemistries, 8x that of PPS
  • Ideal for CMP applications up to 60 °C (140 °F)

Available Geometries

Semitron® CMP LL5 PET-P stock shapes encompass a range of standard sizes in the following geometries: Plate


Available Colors

Semitron® CMP LL5 PET-P stock shapes come in the following colors: White

Regional Availability

Availability of products, shapes, and colors may differ by region.


For further regulatory documentation and absence declarations, please visit the regulatory page.