With strict quality management and dedicated work attitude, we are sure to bring satisfactory Fabric WR Wear Ring Hydraulic Cylinder Seal, Hydraulic Cylinder Guide Rings Excavator Spare Parts, Polyester Resin Wear Rings to our customers. Accurate and timely traceability of products and supply chain activities has become a new factor affecting the healthy development of our company. We have established long-term cooperation with many companies at home and abroad based on the principle of "sincerity first, reliable quality". In this era of competition and comprehensive cooperation, we are willing to uphold the spirit of mutual benefit and cooperate with friends abroad to realize our beautiful ideal in common development.
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 adheres to the principle of total quality management, so that all the roles involved in the product production process can attach importance to quality and make them offer suggestions for the improvement of PTFE Back-up Rings or O Rings Used for Valve quality. In recent years, we have established long-term cooperative relations with many enterprises, and sincerely welcome friends from all over the world to visit, investigate and negotiate business. We try our best to ensure that all users get the goods in a short time. We sincerely look forward to working with more customers and friends to develop new fields and create brilliant career together!
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