| 摘要 |
The present invention relates to an insulating material with improved insulation performance capable of improving insulation performance while reducing the thickness of a product. To achieve the same, the present invention forms an internal air layer (4) sealed by a laminated paper sheet using heat or an adhesive between upper and lower surface films (21, 22) having surfaces made of an aluminum material by punching to occupy at least 50% of the total area and low-radiation surfaces on the upper and lower sides of the internal air layer (4). At least one film layer among the upper and lower surface films (21, 22) and an inner film (23) is formed into a two-layered film structure. The insulating material with the improved insulation performance having the composition is capable of providing excellent insulating performance in comparison with an existing volume insulating material due to excellent resistance against all of conduction, a convection current, and radiant heat, which are three ways of heat transmission, reducing manufacture costs as much as the reduced product thickness, easily carried and constructed, improving spatial utilization due to the thickness reduction of a surface to be constructed when construction, and securing a free form design of a building. |
