Rubber seals (rubber seals) are a common type of basic […]
Rubber seals (rubber seals) are a common type of basic element in sealing devices, and play a very important role in the contradiction of leakage and sealing. Solve leaks and seals as humans conquer nature. It has been an important way to promote technological progress and prevent and reduce environmental pollution. Rubber seals are a type of rubber products widely used in sealing technology. Because rubber has a valuable elastic polymer material and a wide temperature range, a small deformation in different media will produce a large deformation. This deformation can provide contact pressure, compensate for leakage gap, and achieve the purpose of sealing. . The main products currently include rubber seals, rubber gaskets, flange gaskets, rubber shock blocks, rubber O-rings, V-rings, X-rings, Y-rings, and other forms, sizes, colors, hardness and Materials of rubber products, although our rubber seal products started relatively slowly, but with the progress of society, the emergence of new seal production equipment and technology, the technical requirements for seal products are becoming more and more stringent, thereby further promoting new products.
Rubber seal performance
Rubber, together with plastic and fiber, is called the three major synthetic materials. It is the only polymer material with high elasticity and excellent elasticity. The biggest feature of rubber is firstly that the elastic modulus is very small and the elongation is very high. The second is that it has fairly good gas permeability resistance and resistance to various chemical media and electrical insulation. Some special synthetic rubbers have better oil resistance and temperature resistance, can resist the swelling of fatty oils, lubricating oils, hydraulic oils, fuel oils and solvent oils; cold resistance can be as low as -60 ℃ to -80 ℃ Up to + 180 ° C to + 350 ° C. Rubber is also resistant to various flexing and bending deformations due to low hysteresis losses. The third feature of rubber is that it can be used, blended, and compounded with multiple materials to modify it to obtain good comprehensive properties.