VACUUM HEAT INSULATING MATERIAL AND REFRIGERATING EQUIPMENT, NOTEBOOK COMPUTER, ELECTRIC WATER HEATER AND MICROWAVE OVEN

摘要

PROBLEM TO BE SOLVED: To provide a high performance vacuum heating insulating material having superior heat insulating performance and flexibility coping with its deformation and being free of deterioration in heat insulating performance due to an increase in the inner pressure with gas generated from a bonding material.

SOLUTION: A skin material 2 consists of a metal vapor deposited film layer and a thermoplastic polymer layer. It is filled with a plurality of laminated inorganic fiber material sheet 4 containing dominantly SiO2having fiber diameter distribution whose peak value is 1μm or larger and 0.1μm or smaller. It does not include the bonding material.

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