It can also be classified according to the type of insulation base material used in manufacturing 4 types.1. The material of the mineral fibers, such as asbestos, dross produced from smelting metal, glass fiber.2. Material of natural fibers, such as wood, bagasse, cotton, wool, synthetic fiber, cellulose fiber3. Cellular material nature, such as cork foam rubber, poly styrene4. Mineral cellular material such as calcium silicate perlite, vermiculite, foam concrete.
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