Our High-Temperature FFKM (Perfluoroelastomer) O-Rings, including Kalrez® compatible options, are engineered for the most demanding industrial environments. Capable of withstanding extreme temperatures up to 300°C and pressures of 30MPa, these premium rubber seals provide unparalleled chemical resistance and thermal stability, ensuring leak-proof performance where standard elastomers fail.
Designed for critical applications in automotive, electronics, food processing, and heavy machinery, these seals combine high elasticity with exceptional restorative properties. Whether you require standard sizes or custom engineering drawings, our FFKM seals are manufactured to ISO 9001 and TS16949 standards to guarantee long-term durability and operational safety in aggressive media.
Detailed Parameters
| Material Grade | FFKM, FFPM, KALREZ | Temperature Limit | Up to 300°C |
|---|---|---|---|
| Pressure Rating | Up to 30MPa | Hardness Range | 60-90 Shore A |
| Customization | Drawing, Sample, or Standard | Production Process | Vulcanization, Injection Molding |
| Surface Finish | Smooth, Burr-free, Crackless | Quality Standards | ISO 9001, ISO 14001, TS 16949 |
| Supply Capacity | 10,000,000 pcs per month | Application Areas | Auto, Electronic, Food, Machinery |
Key Advantages
Extreme Resistance
Unmatched chemical and thermal stability for hazardous and high-heat environments.
Extended Lifespan
Durable construction reduces replacement frequency and minimizes system downtime.
Precision Molding
CNC machining and advanced vulcanization ensure exact tolerances and fit.
High Elasticity
Excellent restorative performance ensures a tight seal under varying pressures.
Easy Installation
Smooth surface treatment allows for seamless integration into metal flanges.
Certified Quality
Strict adherence to TS16949 and ISO standards for global industrial compliance.
Product Gallery
Management Platforms
Engineering Support
Expert design and selection support to solve complex sealing problems for global customers.
Mold Asset Library
Access to over 20,000 existing O-ring molds for rapid prototyping and delivery.
Quality Control
100% qualified product inspection ensuring zero defects before shipment.
Logistics Hub
Strategic shipping via Xingang Port with Express, Air, and Sea options worldwide.
OEM Capabilities
Professional OEM parts provider for major automotive and industrial manufacturers.
After-Sales Care
Comprehensive return/exchange policy and 12-hour inquiry response time.
Investment Return Comparison
| Seal Material | Temperature Range | Service Life |
|---|---|---|
| NBR O-Ring | -20℃ to +100℃ | Standard |
| EPDM O-Ring | -57℃ to +176℃ | Medium |
| FKM O-Ring | -20℃ to +200℃ | High |
| MVQ O-Ring | -100℃ to +300℃ | Very High |
| FFKM (Kalrez) | Up to +300℃ | Extreme/Maximum |
Frequently Asked Questions
FFKM (Perfluoroelastomer) offers significantly broader chemical resistance and can withstand higher temperatures (up to 300°C) compared to FKM, making it ideal for the most aggressive chemical environments.
Yes, we specialize in customization. We can produce rubber parts based on engineering drawings, physical samples, or standard industry dimensions.
Delivery varies: 5-7 days for in-stock items, 10-20 days if molding is required, and 25-35 days for orders without existing molds.
Our facility is ISO 9001, ISO 14001, and TS16949 certified, ensuring that all rubber products meet strict international quality and safety standards.
Our standard MOQ is 200 PCS, but we are open to discussing specific requirements for custom OEM projects.
Yes, we provide free samples for testing. For standard samples, you only need to cover the freight; for OEM samples, please contact our engineering team.






