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This specification covers the general requirements for vacuum insulation panels (VIP). These panels have been used wherever high thermal resistance is desired in confined space applications, such as transportation, equipment, and appliances. The panel barrier consists of one or more layers of materials whose primary functions are to control gas diffusion to the core, and to provide mechanical protection. The core shall comprise a system of cells, microspheres, powders, fibers, aerogels, or laminates, whose chemical composition shall be organic, inorganic, or metallic. The physical and mechanical properties of vacuum insulation panels are presented in details. The compressive resistance, panel barrier permeance, and center-of-panel thermal resistivit shall be tested to meet the requirements prescribed. The effective thermal resistance differs significantly from the product of the center-of-panel resistivity and the thickness, and this system characteristic must take into account the details of the overall VIP design as well as its installation. The creep and dimensional stability at service condition shall be tested to meet the requirements prescribed.
Product Details
- Published:
- 10/01/2018
- Number of Pages:
- 10
- File Size:
- 1 file , 170 KB
