The organization keeps on the procedure concept 'scientific management, high quality and efficiency primacy, purchaser supreme' for Piston Guide Rings, Thrust Washers, Phenolic Fabric Wear Rings. We will combine online and offline to provide thoughtful, efficient and fast one-stop product services. The company has always adhered to the management concept of "truthfulness and pragmatism, pioneering and innovation" to provide our customers with "high quality, high service, low price" perfect products. We have a professional international operation team.
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.
We create a united, harmonious and stable internal atmosphere and interpersonal relationship within the enterprise, integrate the group's strengths, form a unified value, and strive for the common goal of building a first-class enterprise in the teflon PTFE Virgin Back up Ring Sealing industry. We actively promote the value of employees' lives and cultivate a dedicated and professional team. We have a professional team for international trade.
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