When sealing under extreme conditions, ordinary O-rings often fail due to high temperature, chemical exposure, or mechanical stress. FFKM O-Rings are engineered to meet the most demanding requirements, providing reliable performance in environments where other elastomers cannot survive.
Unmatched Temperature Resistance
FFKM O-rings are designed for extreme thermal environments. They maintain their sealing integrity across a wide temperature range, typically from -20°C to +320°C, with the ability to withstand short-term peaks even higher. Whether it's high-temperature chemical reactors, autoclaves, or cryogenic systems, these O-rings provide consistent and dependable sealing performance.
Superior Material: Perfluoroelastomer
FFKM, also known as perfluoroelastomer, is among the most advanced elastomeric materials available:
- High chemical resistance: Unaffected by aggressive acids, bases, solvents, and oxidizing agents.
- Excellent mechanical properties: Low compression set, high elasticity, and outstanding resistance to wear and extrusion.
- Long service life: Maintains performance even after repeated thermal cycles and mechanical stress.
Material Table
| Category | Parameter | Typical Value / Range | Description |
|---|---|---|---|
| Basic Properties | Polymer Type | Perfluoroelastomer (FFKM) | Fully fluorinated elastomer with superior chemical & thermal resistance |
| Hardness (Shore A) | 60–95 Shore A | Customizable based on sealing requirements | |
| Density | 1.88–2.10 g/cm³ | Depends on polymer grade | |
| Temperature Performance | Continuous Operating Temperature | -20°C to +320°C | Suitable for extreme thermal environments |
| Short-Term Peak Temperature | Up to +340°C | For brief high-temperature spikes | |
| Mechanical Properties | Tensile Strength | 8–15 MPa | High mechanical durability |
| Elongation at Break | 120–200% | Good elasticity despite high hardness | |
| Compression Set (200°C / 70h) | 20–35% | Excellent sealing retention under heat | |
| Tear Strength | 20–40 kN/m | Resists tearing during installation | |
| Chemical Resistance | Acids | Excellent | Resistant to strong organic/inorganic acids |
| Bases & Alkalis | Excellent | No swelling or degradation | |
| Solvents | Excellent | Compatible with ketones, esters, ethers, aromatics | |
| Oxidizers | Excellent | Stable in aggressive chemical environments | |
| Steam & Hot Water | Excellent | Suitable for sterilization & CIP/SIP | |
| Gas Performance | Gas Permeability | Very Low | Suitable for vacuum and semiconductor processes |
| Electrical Properties | Volume Resistivity | ~10¹⁰–10¹² Ω·cm | Good electrical insulation |
| Environmental Resistance | Ozone Resistance | Excellent | No cracking or hardening |
| Weather / Aging Resistance | Excellent | Long service life in harsh environments |
Why Choose FFKM O-Rings
- Maximum temperature tolerance for both high and low extremes.
- Reliable chemical resistance ensures longevity in harsh environments.
- Outstanding mechanical properties reduce maintenance and downtime.
- Wide range of hardness and sizes for diverse industrial applications.
- Long-term sealing performance in critical processes where failure is not an option.
For industries that operate under extreme temperatures and challenging chemical conditions, FFKM O-Rings offer the ultimate sealing solution. Their combination of high thermal resistance, chemical inertness, and mechanical durability ensures operational reliability and safety, even in the most demanding applications.
Products Advantages
1. Long Service Life
The combination of high elasticity and chemical resistance ensures stable performance and minimal degradation over time, significantly extending equipment life.
2. Superior Sealing Effect
Even under high pressure and extreme temperature changes, Viton O-rings maintain tight sealing, effectively preventing leakage and reducing maintenance costs.
3. Environmentally Friendly Production
All materials comply with RoHS and REACH standards, ensuring environmental safety during use.
Why Choose US ?
1.10,000+ Molds Available – Extensive mold library to meet diverse size and material requirements.
2.No MOQ, Starts from One Piece – Flexible customization from sample testing to bulk production.
3. In-Stock Inventory - Standard sizes in stock, ensuring quick shipment, Fast Global Delivery
Focus on Quality
•Precise inspection, zero-defect quality, ensuring both delivery time and quality.
•Meets the 125/1008H high-temperature aging test requirements of the new energy industry;
•Withstands commercial cleaner (Alcohols, Alkalis, Oils) test requirements.
Packing & Delivery
|
MOQ |
1 pcs |
|
Lead Time |
- In stock: Shipped within 3 days |
|
Port |
China Xiamen |
|
Shipping Methods |
Express (DHL, FedEx, UPS), Air, or Sea |
|
Sample Policy |
Samples available; customer should pay freight cost |
Qualification Certificate
Contact US：
Xiamen Best Seal Imp and Exp Co.,Ltd
Tel: +86-592-5782315
Mob: +8618950159396
Email: yunying2@bestsealhk.com
Add: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, China
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