Perlast ICE FFKM O-Ring: Compound, Equivalents, UK Suppliers
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.
References
- Precision Polymer Engineering — Manufacturer
- ISO 3601 O-ring sizes
- BS 1806
Frequently Asked Questions
What is Perlast ICE used for?
Perlast ICE is a 75 Shore A FFKM (perfluoroelastomer) compound from Precision Polymer Engineering. It is used in Semiconductor lithography, wet processing. Continuous service temperature: 0°C to 325°C.
What is the temperature rating of Perlast ICE?
Perlast ICE has a continuous service temperature range of 0°C to 325°C. Short-term excursions above the maximum are possible but degrade service life.
What is the equivalent of Perlast ICE?
Direct equivalents to Perlast ICE include: Kalrez 7075. Always confirm chemical compatibility against your specific fluid before substitution.
How much does Perlast ICE cost?
FFKM O-rings such as Perlast ICE are typically £30 to £500 per piece depending on size, with custom or large-bore parts at the upper end. Get a current quote via the form on this page.
Where can I buy Perlast ICE in the UK?
Perlast ICE is supplied in the UK by independent FFKM seal specialists with multi-brand inventory. Lead time is 2-5 working days for stock BS/AS568 sizes, 4-8 weeks for custom-moulded sizes.
References
- Precision Polymer Engineering — Manufacturer
- ISO 3601 O-ring sizes
- BS 1806