Based on our many years of experience, not only learning the advanced level of the industry, but also through our own repeated experiments to compare and improve, we promise that our PTFE Products, Rod Guide Rings, Composite Thrust Washers has the most reliable and stable performance. Our company continues to provide customers and employees with quality services and rewards, and gradually enhance the core competitiveness of the company. All staff of the company will meet the new challenges with a new attitude, adhere to strict scientific management, maintain the effective and suitable operation of the quality management system and improve the product quality. With a good reputation, solid technology, thoughtful and meticulous service, and an experienced team, we will provide you with the most professional support and service. With excellent quality, reasonable price, perfect service and good reputation, our company has won the praise and favor of customers and consumers.
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 are committed to serving every customer with professionalism, providing customers with continuous and solutions for High Quality Good Performance Virgin PTFE Back-up Ring and bringing endless wealth to customers. We believe that good products are not only reflected in price and quality, but more importantly, should have perfect services. With a high sense of responsibility and mission, we will make the construction of talent team and talent work real and good.
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