Medium pressure asbestos rubber sheet

High pressure oil resistantMedium pressure asbestos rubber sheetIt is fromasbestos、rubberMade by pressing the filler. According to their different formulas, processes, performance, and uses, there are mainly categories such as high-pressure asbestos rubber sheets, medium and low-pressure asbestos rubber sheets, oil resistant asbestos rubber sheets, acid and alkali resistant asbestos rubber sheets, etc.

Aspipe flange、High pressure vessel flangeAnd sealing materials used for various mechanical connection surfaces. When in use, gaskets of various shapes and sizes are generally punched according to requirements.

asbestos rubber sheetManufacturing materials

There are two types of asbestos materials used to manufacture asbestos rubber sheets: warm asbestos and blue asbestos (bluestone).

Chrysotile asbestos belongs to the serpentine asbestos class, and its main component is magnesium silicate containing about 13% crystalline water. It has good heat and alkali resistance, high tensile strength, but poor acid resistance. Most asbestos rubber sheets are made from it.

Blue asbestos belongs to the category of amphibole asbestos, mainly composed of silicates containing 2.5-3.5% crystalline water, with extremely low magnesium oxide content and iron oxide accounting for about 18-24%. Blue asbestos not only has good heat resistance, but also acid resistance, so it is often used to manufacture acid resistant asbestos rubber sheets.

The quality of asbestos fibers has a significant impact on the performance of asbestos rubber sheets. Therefore, asbestos fibers are required to have high tensile strength, good heat resistance, a certain length, easy flexibility, and elasticity. Generally, high-pressure asbestos rubber sheets and oil resistant asbestos rubber sheets above 400 grade use grade 2 and 3 asbestos fibers. Due to restrictions on the use of asbestos rubber sheets, more Ishikawa asbestos free rubber sheets are being used to replace the original asbestos sheets.

High pressure oil resistantMedium pressure asbestos rubber sheetpurpose

Acid alkali resistant rubber sheet:

Features: Medium hardness, acid and alkali resistance. Can work in 20% acidic (alkaline) liquids at temperatures between -30 ° C and+60 ° C.

Purpose: It can be used for punching various gaskets with good sealing performance and acid and alkali resistance requirements.

It is made by pressing asbestos, rubber, and fillers. According to their different formulas, processes, performance, and uses, there are mainly categories such as high-pressure asbestos rubber sheets, medium and low-pressure asbestos rubber sheets, oil resistant asbestos rubber sheets, acid and alkali resistant asbestos rubber sheets, etc.

Asbestos rubber sheet is refined from high-quality asbestos fibers, natural rubber, fillers, coloring agents, etc. It has a high cost-effectiveness and is widely used in the industrial field. It is an economical sealing gasket material, and the corresponding grade model can be selected according to the working conditions.

Indicators and Applications:

As a sealing material for pipeline flanges, high-pressure vessel flanges, and various mechanical connection surfaces, it can be used to punch various gaskets with good sealing performance and acid and alkali resistance requirements. When in use, gaskets of various shapes and sizes are generally punched according to requirements. Has moderate hardness, acid and alkali resistance. Can work in 20% acidic (alkaline) liquids at temperatures between -30 ° C and+60 ° C.

Medium pressure asbestos boardThe quality of asbestos rubber sheets has a significant impact on their performance, so asbestos fibers are required to have high tensile strength, good heat resistance, a certain length, easy flexibility, and elasticity. Generally, high-pressure asbestos rubber sheets and oil resistant asbestos rubber sheets above 400 grade use grade 2 and 3 asbestos fibers. Due to restrictions on the use of asbestos rubber sheets, more and more Sanda asbestos free rubber sheets are being used to replace the original asbestos sheets.

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