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The heat transfer of NANOMET ROOF SHEET accounts for 20 to 35percent of the total heat load

Published date: 2022/10/19

industrial metal roofing

The cold storage thermal insulation design is mainly to prevent the outside heat from leaking into the cold storage. In addition to the refrigeration system design, NANOMET ROOF SHEET thermal insulation design is the life of the cold storage. The heat transfer of the cold storage enclosure structure and insulation layer accounts for 20%-35% of the total heat load of the cold storage. Therefore, reducing the heat load of the envelope can achieve the purpose of energy saving. The consumption of cold storage through the envelope is directly proportional to the unit heat flow of the envelope.

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To reduce the unit heat flow of the enclosure structure, one is to choose the thermal insulation material with small thermal conductivity, the other is to increase the thickness of the insulation layer. And the thickness should not be too thick, otherwise it will increase the construction cost and reduce the use of space and other problems. Therefore, the NANOMET ROOF SHEET insulation material was selected within the appropriate thickness range.

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Before the 1980s, the commonly used thermal insulation materials in cold storage are rice husk, cork, slag and expanded perlite, etc. After the 1980s, the rapid development of new thermal insulation materials, rock wool, glass wool, polystyrene foam plastic and polyurethane foam plastic are more and more widely used, construction methods are also diverse. At present, the materials widely used in cold storage insulation mainly include NANOMET ROOF SHEET, polystyrene foam, extruded polystyrene foam and polyurethane foam.


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