FIRE-RESISTANT POLYURETHANE MATERIAL AND FIRE-RESISTANT STRUCTURE
The invention relates to a fire-resistant polyurethane material comprising a foamed polyurethane main body, a fire-resistant inorganic powder and a hollow structure. The density of the hollow structure is lower than about 0.1 g/cm3 and the material of the hollow structure is selected from the group...
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Main Authors | , , , , |
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Format | Patent |
Language | English French German |
Published |
06.05.2015
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Subjects | |
Online Access | Get full text |
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