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Insulation material

      The thermal insulation performance of steel structure building is usually achieved by adding thermal insulation materials to the house and wall. Proper setting of thermal insulation materials can make the prefabricated steel structure building achieve the same or even better thermal insulation effect as the conventional reinforced concrete building.
      ① Centrifugal glass wool felt

Centrifugal glass cotton has many advantages, such as soft texture, fine fiber, flame retardant, non-toxic, corrosion resistance, small bulk density, low thermal conductivity, strong chemical stability, low moisture absorption, good hydrophobicity, etc. , is recognized as the best performance of thermal insulation, thermal insulation, sound-absorbing materials, with a very wide range of uses. The board, felt and tube made of this material have been widely used in the fields of building, chemical industry, electronics, electric power, metallurgy, energy, traffic and so on.
Thermal conductivity value at 24 ℃

Unit weight (kg / m3)
12
14
16
20
24
Thermal conductivity K
0.043
0.040
0.039
0.037
0.036

    Unit weight (kg / m3)
Thickness (mm)
12
14
16
20
24
50
1.2
1.3
1.3
1.4
1.4
75
1.7
1.9
1.9
2.0
2.1
100
2.3
2.5
2.6
2.7
2.8

Heat transfer coefficient

Thickness (mm)
U(W/M2-K)
roofing
metope
50
0.642
0.678
75
0.464
0.483
100
0.364
0.375
150
0.254
0.259


② Rock wool board

Rock wool board and its facing material: mainly suitable for thermal insulation, cold insulation, sound absorption and fire protection of power plant, oil depot, metallurgical and chemical enterprise equipment, such as boiler, storage tank, heat exchanger, reaction dust remover, dryer, oven, large diameter pipeline, etc. It is the most economical and lightweight thermal insulation material.