What is the cause of the mechanical seal widely used?

What is the cause of the mechanical seal widely used? 2020 - 8 - 21 the influence of mechanical seal for many industry is very large, so what is the reason of mechanical seal widely used? Take a look at below mechanical seal is widely used. Rubber machinery seal material has good elasticity, high elongation; The collocation of rubber mechanical seal material can be widely used with a variety of sealing material mix or additives, increase its comprehensive performance; Has the very good abrasion resistance and permeability resistance, electric insulation performance. And high requirements of working environment, the rubber sealing ring has good oil resistance, high temperature resistant performance, as well as the cold tolerance; Rubber mechanical seal and a food grade materials, sealing ring can be used for food or medical products.