Rubber seal is elastic polymer material, high elastic, and the insulation is good, so the rubber seal is the basis of the commonly used in sealing device components, effectively solve the problem of the leakage and sealing. These basic characteristics of rubber seal makes it industry excellent damping, sealing, insulating materials. According to the different raw materials, can be divided into natural rubber and synthetic rubber. Relatively few natural rubber, synthetic rubber is in order to make up for the inadequacy of its production, so the invention, has the characteristics of natural rubber. According to its shape can be divided into solid rubber, liquid rubber, emulsified rubber, rubber powder, etc.

Rubber seals used in automobile industry, such as fuel oil system, fuel system, etc.; Daily industry, such as central heating, sanitary ware, etc., according to different materials have different environment. Gas power industry, such as semiconductor manufacturing and chemical industry, etc. Rubber seal is installed on the seal groove, O section (round) and moderate compression ring. As can be all kinds of fluid sealing, such as oil, water, air, gas, etc. Method of use is divided into static and dynamic two kinds. When cut size large, when the compression ratio must be permanent deformation is small, the use of the sectional diameter o-rings, stable sealing performance can be obtained.

Rubber seal seal is used, the cross-sectional diameter is large, the torsion effect. Rubber seal seal fluid pressure to play to the role of the security seal. So considering the pressure from the principle of limit. In fact, in the use of rubber seals, will inevitably produce sealing medium pressure of the fluid, the rubber seal extrusion bite will not occur. So the actual pressure performance of rubber seal is by the material mechanical strength (i.e., hardness) and the relationship between the clearance.