We always follow the principle of honesty and trustworthiness to promote our high-quality Phenolic Resin Guide Rings, Rod Step Seals, Step Seals to the world. To get more information please feel free to let us know. In order to ensure the continuous innovation of products and after-sales service, we have trained a number of design and after-sales personnel to be based on integrity and innovation for development. The improvement of enterprise cohesion needs to attract talents through the appropriate incentive mechanism, which is the key problem to be solved. In addition to complete hardware equipment, we have also established a set of quality supervision and assurance system, which runs product quality control throughout the entire process from raw material procurement to sales and transportation.
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 satisfy our customers by offering golden service, good price and high quality for PTFE Bonze Sealing Ring/Back up Ring. Our employees are responsible for their own work and team work, pay attention to the cooperation with other departments, and have the overall concept of partial obedience to the overall situation. Facing the fierce market competition, the company relies on its own advantages, integrates external resources, optimizes internal management, constantly explores and innovates, and insists on technological innovation as the development engine.
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