Perfluoroelastomer O-rings(FFKM) has perfect chemical resistance and is resistant to acids, hydrazines, and ammonia cleaners in a variety of processes.
It has low moisture permeability, good mechanical properties and compression set properties, suitable for static and dynamic sealing in chemical wet processes (eg filter seal, drain seal, pickling tank) Wait). The recommended maximum temperature for continuous operation is 260 °C.

If you need larger or special size available upon request, Please contact us with your specific requirements.

Please offer your drawings to this email: songshun.mould.steel@gmail.com, our sales specialized services person will contact and quote for you.

Dongguan Chiyuan Precision Mechanical Technologies Co., Ltd., is a company highly specialized manufacturing and selling moulds (for plastic injection & metal production), and Ultra High Vacuum (UHV/HV) Pump & Valve components & subassemblies that are common parts of well-known vacuum pumps/valves of Europe and North America. Market Positioning: supply major parts for high precision and sophisticated mechanical assemblies.

Business Parts:

1. Design and manufacturing of precision moulds for plastic injection & metal production;
2. Precision mechanical production: Vacuum (UHV/HV) components & subassemblies, valves, joints and tools;
3. Manufacturing major mechanical parts for various of automatic production lines.