Verified by Rachel Mayfield, Supply Chain Analyst - April 2026
Perlast ICE is a 75 Shore A perfluoroelastomer (FFKM) manufactured by Precision Polymer Engineering. It seals continuously to 325°C and is specified for semiconductor lithography and similar service. Semiconductor-grade clean FFKM.
Specifications
| Property | Value |
|---|
| Compound | ICE |
| Manufacturer | Precision Polymer Engineering |
| Maximum continuous temperature | 325°C |
| Minimum temperature | 0°C |
| Hardness | 75 Shore A |
| Colour | Off-White |
| Material family | Semiconductor-grade clean FFKM |
Where Perlast ICE is used
Perlast ICE is specified for: Semiconductor lithography, wet processing.
Perlast ICE equivalents from other FFKM manufacturers
If Perlast ICE isn't available, these compounds from competing manufacturers have similar chemistry and operating windows. Always verify against your actual fluid and temperature before substitution.
| Equivalent compound | Manufacturer | Max temp | Hardness | Direct match |
|---|
| Kalrez 7075 | DuPont (Chemours) | 327°C | 75 Shore A | ✓ |
Available O-ring sizes
Perlast ICE is supplied in:
- BS 1806 sizes: BS001 to BS932 (UK / EU standard, imperial-origin metric)
- AS568 sizes: -001 to -932 (US standard, dimensionally identical to BS 1806)
- ISO 3601 sizes: metric IDs from 2 mm to 670 mm with cross-sections 1.0 mm to 7.0 mm
- JIS B 2401: P, G, S series (Japanese OEM equipment)
- Custom / non-standard: built-to-print for OEM applications
For a list of sizes commonly stocked in the UK, see the BS 1806 size chart, ISO 3601 metric chart, or contact a UK seal specialist below.
UK availability
Perlast ICE is supplied in the UK by FFKM specialists carrying multiple manufacturer lines. Lead time is typically 2-5 working days for stock sizes, 4-8 weeks for custom-moulded sizes. Use the form below to get a quote from a UK FFKM specialist.