The success of our company is that our Phenolic Resin and Polyester Resin Composite Pipes, PTFE Filled with Carbon Guide Tapes, Step Seals is of high quality, safe to use, and have earned the confidence of customers. We have a lot of practical experience and aim at the market and the world technology level. Being one step ahead is the key, and we pursue more efficient work.
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 goal is to become the best platform for communication and cooperation between domestic and foreign customers, and to provide domestic users with cost-effective PTFE Back up Ring/PTFE Sealing Ring/Back up Ring. 'All for users, all from innovation' is our company's business policy. We are willing and strive to make every user get the best experience in the process of using our products.
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