Precision Polymer Engineering Ltd.

Greenbank Road
Blackburn,  BB1 3EA

United Kingdom
  • Booth: B1559

Precision Polymer Engineering welcomes you to SEMI Europa!

Precision Polymer Engineering designs, develops and manufactures high performance moulded rubber seals, rubber gaskets and elastomer components for industries around the world - including critical semiconductor applications.

Semiconductor applications represent some of the most challenging environments for elastomer seal materials. Precision Polymer Engineering develops cleanroom-manufactured seals with low particle and low trace metal contamination, minimising cost of ownership and consumables, while also significantly reducing yield loss.

Our key Precision Polymer Engineering sealing families include:

Perlast - our FFKM material, with universal chemical resistance and exceptional purity

Perlast Helios - a specialist Perlast formulation with superior plasma resistance in temperatures of up to 310 Celsius

Kimura - a fully organic elastomer, developed for aggressive chlorine and CxFy chemistries

Nanofluor - bridges the cost gap of FKM and FFKM sealing, offering low trace metal contamination and ultra-low permeation rates

Visit to discover which of our materials is best suited to your thermal, plasma or wet chemical semiconductor application.


  • Perlast Helios G7HA
    Perlast Helios G7HA is the first material in the Perlast Helios range developed to increase yields and reduce process contamination in high temperature semiconductor environments....

  • Features of Perlast Helios G7HA

    • fully organic, high purity perfluoroelastomer (FFKM)
    • extremely low trace metal levels
    • excellent plasma resistance
    • high temperature performance up to 310 Celsius
    • outstanding long0term mechanical performance

    Perlast Helios G7HA has undergone rigorous benchmarking tests against the leading sealing materials currently on the market, in order to qualify its material characteristics. The test results demonstrated excellent sealing performance at high temeratures, with the G7HA grade also outperforming competitor materials against aggressive plasmas, including high concentrations of fluorine radical plasmas.

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