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[China Aluminum Network] There are three ways to look at the heat loss of doors and windows outside the building: the heat conduction loss through the aluminum alloy profile at the front; the second, the radiant heat loss through the glass; and the third, the air convection heat through the gap between the doors and windows. loss. Therefore, the production of insulation and energy-saving aluminum alloy doors and windows must also be considered from these three aspects.
1. Aluminum alloy profiles Aluminum alloy materials are good conductors of heat, and the thermal conductivity is mostly high. To make heat-insulating glass, it is necessary to select the section that has the heat-insulating bridge treatment, that is, to cut off the heat conduction path of the section to achieve the purpose of heat insulation.
2. Glass insulating doors and windows need to use insulating glass, because the hollow space between the hollow glass is filled with dry, static air, so that the thermal conductivity is greatly reduced, so the insulating glass has excellent thermal insulation, sound insulation and frost resistance , Condensation performance, commonly used glass hollow glass thickness 5 ~ 6mm, common cavity thickness 9mm, 12mm.
3. The sealing material used for heat insulating doors and windows of the sealing material shall be weatherproof rubber. The sealing rubber strip shall be made of neoprene rubber with excellent anti-ozone corrosion resistance and anti-ultraviolet aging performance. Three or more sealants shall be set for the opening and closing part of the door and window fan. Article.
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