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June 2025
Key Takeaways:
- High in resistance in critical environments: evolast® FFKM is engineered to withstand extreme conditions. Covering a temperature range from -46 °C to +340 °C and resistant to nearly all chemicals, it is the go-to choice for industries where seal failure is not an option.
- Fully integrated, European-made reliability: From compound formulation to part delivery, evolast® is 100% developed and manufactured in Europe with cleanroom-certified production, ensuring short lead times, traceability, and consistent quality across the value chain.
- Total compliance, total confidence: evolast® meets the strictest global certifications, e.g. FDA, USP Class VI, NORSOK, ISO 23936, and supports CIP/SIP cycles, vacuum environments, and regulatory-critical applications in pharma, semiconductors, energy, and chemical processing.
When conditions are extreme and equipment performance critical, your sealing solution should be a top priority - never a compromise. Introducing evolast®, the next-generation of perfluoroelastomer (FFKM), developed and manufactured in Europe – now available across the Angst+Pfister Group.
Used by leading players in the pharmaceutical, chemical processing, semiconductor, and energy industries, evolast® combines ultra-high resistance, full regulatory compliance, and total supply chain control, delivering performance you can rely on in the most demanding environments.
The Challenge: Harsh Conditions, High Stakes
In performance-critical industries, even a minor leak can lead to production shutdowns, compliance violations, or costly contamination. Despite these risks, standard elastomers are still being used in high-stress environments where they compromise both system performance and regulatory compliance.
These environments typically involve:
- Aggressive chemical exposure that breaks seals down prematurely
- Extreme temperatures exceeding +250°C
- Frequent steam, plasma, or solvent-based cleaning cycles
- Tight vacuum and cleanroom requirements with zero tolerance for outgassing
- Mechanical stress from pressure fluctuations, sour gases, or HPHT conditions
The result? Frequent seal failure, unplanned downtime, regulatory risk, and rising operational costs.
The Solution: evolast® FFKM by Angst+Pfister
evolast® is more than just another FFKM – it represents of decades of research and sealing expertise. Developed, compounded and manufactured in-house by Angst+Pfister at its Italian facilities TSF and MCM High-Performance Sealing, evolast® is now part of a group-wide offering with:
- Chemical resistance from acidic and alkaline substances to powerful solvents and beyond
- Extreme thermal stability from -46°C to +340°C
- Cleanroom-grade production with traceability and low extractables (ISO 6 & ISO 7)
- Compliance with FDA, USP Class VI, EU 1935/2004, NORSOK, NACE, ISO 23936/2, and many others
- Application-specific flexibility – from standard O-rings to custom-shaped molded parts and sheets
- One partner from A to Z – no more juggling between material suppliers, compounders, and part manufacturers
The Case of evolast® PN894
Chemical Resistance Overview
| Rating system: | A: 0-10% volume swell | B: 10-30% volume swell | C: 30-50% volume swell |
|---|---|---|---|
| Chemical resistance (ASTM D471) | Volume swell | Chemical resistance (ASTM D471) | Volume swell |
| Inorganic acids | A | Esters | A |
| Organic acids | A | Ethers | A |
| Alkalis | A | Aldehydes | A |
| Amines (RT-Room temperature) | A | Alcohols | A |
| Hot amines (>70°C) | B | Hydrocarbons | A |
| Water/Steam | A | Sour gas | A |
| Ketones | A | Lubricants | A |
Thermal Resistance
CSET Comparison (ISO 815 1-Meth.A)
|
60%
|
51%
|
30%
|
25%
|
| 200°C / 672h | 200°C / 504h | 200°C / 168h | 200°C / 72h |
Measurable Gains Across Industries
Without evolast®
- Seal failures after 3–5 cleaning cycles
- Extended downtime during maintenance
- Generic certifications
- Material from multiple suppliers with varied quality, long lead time and logistic risks
With evolast®
- Up to 25+ CIP/SIP cycles without degradation
- Reduced interventions by up to 70%
- Full industry-specific compliance and cleanroom readiness
- One single partner for consistent quality and minimal lead time
What Experts Say
“evolast® is the result of complete control over material science and sealing design - a material not just built to survive in the harshest environments, but to thrive in them with outstanding performance.”
Simone Lavelli, Technical Department - New Projects and Compound Development
“With evolast®, we benefit from a fully European production setup - a supply chain that’s close, fast, and reliable. The range of available sizes, both metric and inch, is truly impressive.
Our customers in the Pharma and Energy sectors have long been searching for a solution like this: evolast® streamlines sourcing, enhances performance, and offers full traceability for total peace of mind.”
Ralf Werder, Chief Sales Officer FFKM Sealing
Video Q&A Session Coming Soon!
Are you curious to learn more? Ralf Werder, Chief Sales Officer FFKM Sealing, will answer questions about evolast® in an upcoming Q&A video session. The session will be recorded and shared right here on our website, so you won’t miss a thing. Subscribe to our newsletter to be the first to know when it goes live!
Conclusion: Seal with Confidence, Perform Without Compromise
In environments where performance is critical, evolast® proves itself as a high-performance sealing solution that delivers on every front. Developed and manufactured entirely in Europe, it stands out for its exceptional resistance to chemicals, extreme temperatures, and harsh cleaning processes - making it the trusted choice for critical applications in pharma, semiconductors, energy, and chemical processing. With evolast®, OEMs, engineers, and procurement teams gain more than just a sealing material - they gain a strategic advantage.
Due to its fully integrated, local-for-local supply chain based in Italy, evolast® ensures consistent European quality, shorter delivery cycles, and lower carbon emissions. Its cleanroom-certified production offers full traceability and validation support - ideal for industries with zero tolerance for risk. evolast® helps extend equipment lifecycles, reduce total cost of ownership, and eliminate premature seal failure, while simplifying supplier management by offering one fully accountable partner from material development to final delivery. Designed for global leaders, evolast® is your assurance of reliability, compliance, and peace of mind.
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