Our company has assembled a variety of excellent professional and technical personnel, with advanced technical level and rich production experience of PTFE Wear Strips, Guide Rings for Hydraulic Cylinders, Piston Wear Rings. We strive to build an intrinsically safe enterprise and promote the safe and harmonious development of the enterprise. We always regard product quality as the foundation of business survival, and service quality as a bridge to our success.
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 forward-looking development of Factory Supply Rubber Silicone Gasket Seal Back up Ring for Excavator firmly grasps the commanding heights of the industry and product technology. Our company always adheres to the business philosophy of 'close service, more suitable products, help customers, achieve employees, and common development', constantly develop better technology. Our development is inseparable from the efforts of our employees, and it is also inseparable from the support and help of all sectors of society.
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