The rubber O-ring is generally installed in a groove with a rectangular cross section on the outer or inner circumference to seal. It with good sealing, oil resistance, acid and alkali resistance, chemical corrosion resistance. That’s why rubber O-rings are the most widely used seals in hydraulic and pneumatic transmission systems.
PRODUCT INFORMATION
Rubber O-ring is suitable for installing on various mechanical equipment. It can seal at specified temperature, pressure, and in different liquid and gas media under static or moving conditions. In sanitary ware, ship, automobile, hardware, electronic, toys, electrical appliances, aerospace equipment, machinery, as well as various instruments and meters, a large number of types of sealing elements are used. Rubber O-ring is mainly used for static sealing and reciprocating motion sealing. When used for rotary motion seal, it is limited to low speed rotary seal device. Rubber O-ring is usually installed in the groove with rectangular cross-section on the outer or inner circle to seal. Rubber O-ring still plays a good sealing and shock absorption role in oil resistance, acid-base, grinding, chemical erosion and other environments. Therefore, rubber O-ring is one of the most widely used seals in hydraulic and pneumatic transmission systems.

ADVANTAGE
● Suitable for various sealing forms: static seal, dynamic seal.
Suitable for all kinds of materials, sizes and grooves have been standardized, interchangeability is strong.
● Suitable for various sealing media: oil, water, gas, chemical or other mixed media.
By choosing suitable rubber material and proper formulation design, the effective sealing effect on oil, water, air, gas and various chemical media can be realized. Temperature can be used in a wide range (- 60 +220) and pressure can reach 1500 Kg/cm2 in fixed use (combined with reinforcing ring).
● Variety of materials
It can be selected according to different fluids: NBR, FKM, SIL, EPDM, CR, NR, HNBR, IIR, FLS, etc.
Material analysis of rubber sealing ring:
1. FKM: It has high temperature resistance, strong oxidant resistance, oil resistance, acid and alkali resistance. It is usually used in high temperature, high vacuum and high pressure environment, and is suitable for oil.
2. Silicone: It has outstanding high and low temperature resistance, ozone resistance and weather aging resistance.
3. NBR: It has good oil resistance and aromatic solvent resistance.
4. Ethylene propylene trioxide: It has good heat resistance, weather resistance and ozone aging properties.
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