We have an advanced Composite Bearings, Hydraulic Cylinder Wear Ring Seals, Piston Wear Rings production line imported from Germany, and "combine science and technology with innovation, harmonize environmental protection and humanities, and continue to build the pinnacle of products." Quality is the lifeblood of an enterprise, and quality problem tracing is an important part of quality management. We have always believed that quality is the life of an enterprise and brand is the image. We adhere to the people-oriented principle and make every effort to ensure the occupational health and personal safety of employees. We believe that while focusing on the growth of material forms, enterprises must establish a corporate culture with their own characteristics.
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.
Under the right leadership, our sales of Gdk High Quality PU Back up Ring for Cat and professional technical services have grown significantly and consolidated our leadership in the marketplace. 'Reputation First, Customers Foremost. The company has advanced equipment, high technological level, and strong product inspection capabilities.
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