Overview of magnesite wall materials and their types and characteristics
The wall material made of magnesite material is incombustible material. It is inspected according to GB8624-2006<Combustion Performance Classification of Building Materials and Products. The non-combustibility test △T is 2 °C, Am is 20%. Combustion value PCS It is O.lMJ/kg and reaches the A1 level. According to GB/T20285-2006 "Material smoke toxicity classification" to achieve safety and grade, fire resistance limit ≥ 1.5 hours, in today's fire insulation materials is the best material than gypsum, cement, calcium silicate.
The wall made of magnesite material has a heat storage coefficient of 2.20 W/mk, which is an excellent material against temperature change. The wall composed of it has a compressive and tensile strength higher than that of cement products by 1-2. It is an ideal wall material with an impact resistance of 1 to 5 times higher than that of 5 to 10 times.
There are two types of magnesite wall materials, one is light partition wall slats, the other is made of light steel keel as a support, and the wall is formed by composite of magnesite sheets with a thickness of 10 to 12 mm. Both forms are It belongs to the frame building system used for non-load bearing.
The magnesite wall material is light and high-strength (40-60kg/m2), which is 1/3~1/4 of the weight of the clay brick wall (based on the weight of the square meter wall), which reduces the basic treatment of the building and expands 5%. ～10% of the use area is of great benefit, and greatly increases the construction speed, promotes the prefabrication, assembly, mechanized construction and operation of the building, and promotes the revolution of the building.
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