For technology, we tirelessly pursue breakthroughs, put customer needs first, and strive to develop new Composite Marine Bearings, Hatch Cover Pads, Piston and Rod Seals. We have taken the initiative to fulfill our social obligations and formed a deep, extensive and socially responsible corporate culture. We are the most ideal and solid production base of our distinguished colleagues. Our company is your on demand production workshop and good faith partner. The products produced by the company actively absorb the essence of similar international products, and at the same time strive to give play to its own innovation capabilities and obtain a number of national technology patents. In order to strive for product quality, we have passed ISO9000 system certification, CE certification (German TUV certification) and so on.
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 will have the courage to surpass itself and produce excellent and cost-effective Standard Hydraulic Seal Back up Ring From Factory. Our company now has a group of senior engineers and management technicians with rich practical experience, focusing on the development of products in the direction of functional diversification and convenient use. We will establish a global management concept and coordinate the development of domestic and international businesses.
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