We deepen our innovative concepts, comprehensively use new technologies, and improve our manufacturing level so that we have achieved remarkable results in reducing costs and improving the quality of our Phenolic Polyester Wear Ring, Composite Marine Bearings, Ball Bearing. Brand has marketing function, profit-making function and competition function. We have set up a young, efficient and dynamic R & D, sales and service team based on high industry standards.
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 integrate our resources and advantages to continuously innovate and improve our Head Seals Back-up Ring for Caterpillar (CAT). The company improves production efficiency and reduces required costs through technological innovation and platform exploration. 'Perseverance, create excellence' is the spirit of our enterprise, 'integrity, service, win-win, development' is our business philosophy, we are willing to create the greatest profit margin for customers.
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