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The mica board is made by bonding, heating and pressing mica paper and organic silica gel water, in which the mica content is about 90% and the organic silica gel water content is 10%. Excellent flexural strength and processing performance, the product has high flexural strength and excellent toughness, and can be processed into various shapes without delamination by punching. Excellent environmental protection performance, the product does not contain asbestos, and produces less smoke and odor when heated, even smokeless and tasteless.

HDPE sheet and HDPE rod is a highly crystalline, non-polar thermoplastic resin. The appearance of the original HDPE is milky white, and it is translucent to a certain extent in the thin section.

Asbestos packing is mainly used for weak acid and alkali, liquid ammonia, water, oil media, valves and other working conditions. It has the best effect of static sealing and anti-corrosion sealing. Fiber packing has good thermal conductivity, acid and alkali resistance, and is suitable for various solvents. , Gasoline, water, liquid nitrogen medium pump, valve, reaction kettle seal (another good thermal conductivity, acid and alkali resistance, high temperature resistance, suitable for dynamic and static seals under high-speed operation conditions).

Synthetic stone material is a composite material processed from high-temperature nanofiber felt and high-performance epoxy resin. It has good physical properties such as low thermal conductivity, flame retardant and high temperature resistance, anti-static, light weight, and chemical corrosion resistance.

Metal corrugated composite gasket is a kind of metal composite gasket. Generally, a fine lathe or a special milling machine is used to process concentric corrugated grooves on both sides of the metal flat gasket. Good compression and resilience performance, because the contact with other sealing surfaces is the line contact of multiple concentric circles, so it has a labyrinth sealing effect, depending on different media and working conditions.

Metal oval gasket is made by forging, heat treatment and mechanical finishing. It is a kind of metal sealing gasket used in pipeline flanges such as crude oil and natural gas, high-speed joint flange surfaces of pressure vessels, high temperature and high pressure valve covers, etc. Especially in places with fluctuating pressure and temperature, it can still maintain a good sealing performance. The commonly used R-type oval gaskets are divided into oval and octagonal according to the cross section.