Aluminium foil roll for insulation is a kind of thermal insulation material with strong airtightness, using it will increase the insulation effect. Wrapped on the outside of the thermal insulation layer, the silver surface of aluminum foil has the effect of blocking thermal radiation. Aluminum foil actually conducts the outside temperature to protect the temperature inside from outside influences, it has the functions of heat insulation, waterproof and moisture proof. Its solar radiation absorption coefficient is extremely low, which can isolate most of the heat transfer.
Through that adding an extra layer of aluminum foil to the insulation material can improve vapor barrier and moisture resistance, strengthen mechanical protection, improve fire resistance and outdoor UV resistance. The rock wool board with aluminum foil paper has enhanced waterproof performance, and its thermal insulation performance has a good thermal insulation effect due to its low thermal conductivity. Good thermal insulation performance is the basic characteristic of rock wool and its products. The thermal conductivity of rock wool is usually between 0.03 and 0.047W/(moK) at room temperature (about 25°C).
By attaching aluminium foil roll for insulation to the surface and using the characteristics of aluminum foil in heat transfer, it can meet the requirements of building energy saving, heat preservation and heat insulation, so as to alleviate the current energy shortage and high energy consumption of buildings.
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