We sincerely hope that we can get your trust and recognition and become your qualified supplier of Inner Spherical Ball, Phenolic Resin Guide Rings, Semi Finished Products. We will be your best choice. We also have a special training, regular assessment, composed of professional engineering and technical personnel of the customer support team. Due to the strong after-sales service guarantee system, both the supplier and the demander are satisfied. The edge of the sword comes from sharpening, and the fragrance of plum blossom comes from the bitter cold. We aim at world-class enterprises, implement open-driven strategy, and strive to achieve internationalization of resource allocation, market competition and management. We develop international market in all aspects, share benefits and risks.
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 operates in a flexible and diverse manner, and our Hydraulic Cylinder Piston Phenolic Back up Wear Ring has the best price/performance ratio, so we have a stable consumer base. We respect and protect the originality of our employees, and promote the system, technology, products and all other innovations with the concept and cultural innovation. Looking back on the process of our development and growth, we deeply feel that this is an era of co-existence of cooperation and competition. We should always welcome cooperation with an open mind and achieve the win-win goal with our partners.
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