A brief introduction to rubber seals

Rubber seals are a common basic component in sealing structures and play a very important role in the contradiction between leakage and sealing. Dealing with leaks and seals as humans conquer nature. It has always been an important way to promote technological progress and prevent and reduce environmental pollution. Rubber seal is a rubber product widely used in sealing technology. Because rubber has a valuable elastic polymer material and a wide temperature range, small stresses in different media will produce large deformations, which can provide contact pressure, make up for leakage gaps, and achieve the purpose of sealing.

Types of rubber sealing products At present, the main products include rubber sealing rings, rubber gaskets, flange gaskets, rubber shock-absorbing blocks, rubber O-rings, V-rings, X-rings, Y-rings and other forms, sizes, colors, Hardness and material of rubber products. Although our rubber sealing products started slowly, with the progress of society and the emergence of new sealing production equipment and technologies, the technical requirements for sealing products have become more and more stringent, thus further promoting the development of new products.

Properties of Rubber Seals Rubber, like plastics and fibers, is known as one of the three synthetic materials and is a polymer material with high stretchability and excellent elasticity. The main characteristics of rubber are its small elastic modulus and high elongation. Secondly, it has good breathability and various chemical media and electrical insulation properties. Some special synthetic rubbers have good oil resistance and temperature resistance, and can resist the expansion of fatty oils, lubricating oils, hydraulic oils, fuel oils and solvent oils; the cold resistance can be lower than -60℃~-80℃, and the heat resistance Can be higher than +180℃~+350℃. Rubber also withstands various bending and bending deformations because hysteresis losses are minimal. The third characteristic of rubber is that it can be used, mixed, and compounded with various materials to modify them to obtain good overall properties.

These basic properties of rubber make it an excellent industrial shock-absorbing, sealing, flexing, wear-resistant, anti-corrosion, insulation and bonding material.

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