The Composite Marine Bearings, PTFE Products, Phenolic Resin Bushings we produce is well received by the marketplace and we have the ability and confidence to meet the needs of our customers. Our pursuit of excellence and innovation, and a good reputation, quality has won the trust and praise of customers. We actively participate in social public welfare undertakings and do our best to build a harmonious society.
Our back-up rings can be made from pure PTFE or filled other materials to meet different working conditions.
Product parameter
Material type | Color | Density (g/cm³) | Linear thermal expansion factor | Tensile Strength | Elongation | Compressive strength | Bending strength | Impact strength without Notch | Friction and wear properties (dry friction) | |||
Coefficient of friction | Wear scar width | Wear loss | ||||||||||
DF-101 | White | 2.1-2.2 | 10-12 | 20-30 | ＞250 | 12 | 11-14 | 16 | ＜0.1 | ≥20 | ≥254 | |
Product application
In a sealing application, backup rings provide added extrusion resistance and prevent damage to o-rings and seals when subjected to high pressures, larger extrusion gaps, and/or high temperatures.
Our company hopes that with the support and help of new and old customers, through the joint efforts of all employees, we will continuously improve product quality and innovate technology to provide the best PTFE Seals/PTFE Back up Ring/PTFE Bonze Ring. Our company has a fair and just promotion space. We hope that through our practical and continuous help, we can improve the environment and life of the society, and live in harmony with the society and develop hand in hand.
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