A级防火保温材料是中防火等级为A级的防火保温材料， 其主要有A1级和A2级材料，A级为不燃材料具有密度小、热导率低、承压能力较高、施工方便、经济耐用等特点，广泛用作热管道、热设备及其他工业管道设备 和工业建筑上的保温绝热材料及工业与民用建筑围护结构的保温、隔热、吸声材料。
Class a fireproof and insulation material is a fire protection and insulation material of grade a grade. It mainly has A1 and A2 grade materials. A class as non combustible material has the characteristics of small density, low thermal conductivity, high pressure bearing capacity, convenient construction, economical and durable and so on. It is widely used as heat pipe, heat equipment and other industrial pipeline equipment and industrial buildings. The thermal insulation materials and the insulation, heat insulation and sound absorption materials of the envelope of industrial and civil buildings.
The materials in our life are often used for insulation: rock wool, mineral cotton, glass cotton, expanded perlite, foam glass and so on. The following is specific to the characteristics of the material itself:
1. Rock wool is also known as rock asbestos in our life. It is a kind of fluffy short fiber made from natural rock, mineral or industrial waste. It has the characteristics of high tensile strength, fire resistance, chemical resistance, insulation, electrical insulation, etc.
2. Mineral wool is a kind of metallurgical slag made into flocculent by injection or centrifugal method. It has the characteristics of heat insulation, sound absorption, corrosion resistance and non-flammability.
3, glass cotton is a kind of molten glass fiber, forming fluffy cotton like material, with good molding, small volume density, thermal conductivity, insulation, sound absorption performance, corrosion resistance and chemical stability.
4. The expansive perlite, with its good thermal insulation efficiency, is well accepted by the market and exerts its effect. Moreover, the perlite has a wide range of application and has universal practicability, especially in the energy saving and energy saving of fire resistance.
5. Foam glass is made of broken glass, foaming agent, modified additive and foaming promoter and so on. After fine comminution and uniform mixing, the inorganic nonmetallic glass material, which is melted, foamed and annealed at high temperature, has the effect of moistureproof, fire prevention and anticorrosion.
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