Kaxite Sealing is a leading fluorine rubber gaskets supplier in China, offering premium FKM gaskets that deliver exceptional sealing performance in the most demanding environments. Our custom rubber gasket solutions are manufactured from high‑grade fluorocarbon elastomers (FKM/FPM), providing outstanding resistance to oils, fuels, acids, solvents, and extreme temperatures ranging from -50°C to +250°C. Ideal for automotive, aerospace, chemical processing, and oil & gas industries, Kaxite's fluorine rubber gaskets ensure leak‑free sealing, extended service life, and reduced maintenance costs. With ISO 9001:2015 certification, 25+ years of manufacturing expertise, and full customisation capabilities – including fabric‑reinforced versions for enhanced mechanical strength – we are your trusted partner for OEM and bulk FKM gasket requirements. Contact us today for a tailored quotation.
Superior resistance to oils, fuels, hydraulic fluids, acids, and organic solvents.
Operates continuously from -50°C to +250°C, with excellent thermal stability.
Die‑cut, moulded, or extruded to your exact dimensions – with or without fabric reinforcement.
ISO 9001:2015 certified, with full material traceability and test certificates.
The table below summarises the typical physical properties of our standard black FKM sheet and gasket material. Custom compounds with different hardness, tensile strength, or colour are available upon request.
| Style | Product | Colour | Density (g/cm³) | Hardness (Shore A) | Elongation (%) | Tensile Strength | Temp. Range (°C) |
|---|---|---|---|---|---|---|---|
| G1700FPM | Fluorine Rubber Sheet | Black | 2.03 | 70 ± 5 | 350 | 8.0 MPa | -50 ~ +250 |
Download full product guide (PDF) for detailed specifications of all rubber grades.
Need a custom shape? Explore our full range of rubber gaskets.
Specify FKM compound (standard or custom).
Provide drawing or sample for exact size.
Die‑cut, moulded, or reinforced with fabric.
Flexible MOQ; FOB Ningbo, CIF, or EXW.
Q: What is the maximum temperature for FKM gaskets?
A: Our standard black FKM can withstand continuous service from -50°C to +250°C, with short‑term peaks up to 280°C depending on the specific compound.
Q: Can you produce gaskets with fabric reinforcement?
A: Yes, for thicknesses ≥1.5mm we can insert fabric cloth to enhance mechanical strength and tear resistance. Please specify when ordering.
Q: Do you provide FDA‑approved FKM gaskets?
A: Yes, we offer food‑grade FKM compounds compliant with FDA regulations for contact with foodstuffs. Request a quote with your specific requirements.
Q: What is the typical lead time for custom orders?
A: Samples within 5‑7 working days; bulk production usually 15‑20 days depending on quantity and complexity. We also offer express services.