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Silicon rubber sealing ring technology

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Silicon rubber sealing ring technology

Date of release:2019-06-27 Author: Click:

Nitrile butadiene rubber (NBR) has excellent oil resistance, second only to polysulfide rubber and fluoro rubber, and has excellent abrasion resistance and air tightness. But nitrile butadiene rubber also has its limitations, its disadvantage is not resistant to ozone and aromatic, halogenated hydrocarbon, ketone and ester solvents, not suitable for insulation materials. The heat resistance of nitrile butadiene rubber is better than that of styrene-butadiene rubber and neoprene rubber. Air tightness is second only to butyl rubber. The properties of nitrile butadiene rubber are affected by the acrylonitrile content. With the increase of acrylonitrile content, the tensile strength, heat resistance, oil resistance, air tightness and hardness of nitrile butadiene rubber increase, but the elasticity and cold resistance decrease.

Nitrile butadiene rubber is mainly used for making oil-resistant products, such as oil-resistant tubing, rubber tape, rubber diaphragm and large oil capsule, etc. It is often used for making all kinds of oil-resistant mould-pressed products, such as o-ring, oil seal, leather bowl, diaphragm, valve, bellows, rubber hose, seals, foam, etc. It is also used for making rubber plate and wear-resistant parts.

The framework oil seal is made of high quality nitrile butadiene rubber and steel plate, with stable quality and long service life. Nitrile rubber framework oil seal is widely used in automobile, motorcycle, tractor, water pump and other mechanical engines, shock absorbers, transmissions and other places.

Silicone rubber is widely used in the field, can make many model products and industrial supporting products, such as a variety of medical grade silicone tube, feeding bottle straw, silicone bar, nipple, silica tableware, o-ring, gasket, leather bowl, oil seal, valve, shock absorber and diaphragm, medicine bottle stopper. Due to its non-toxic, non-adhesive ability with other materials and the ability to withstand repeated cooking and disinfection, silicone rubber is widely used in medical and health care and food industry, such as medical equipment, drinking water equipment, sports equipment, electronics, electrical appliances, lighting, audio, toys, security monitoring, automobile, industrial machinery and equipment. In addition, silicone products factory silicone rubber can also be used as a variety of tube or electrical components coating, sealing, with moisture, dust, shock and other effects.

In the past 30 years, the annual growth rate of silicone rubber products in the world has been 8% ~ 15%, far exceeding the national economic growth rate of general countries. The application of silicone rubber in our country has been very extensive, the quantity and variety continue to grow, the application field is constantly expanding, our country has become the silicone rubber products have great potential market.

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