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US 2011/0031064 A1Published application
Non-combustible sound-absorbing facing
AssigneeSMC Australia Pty Ltd
InventorHarvey Hui-Xiong LAW
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Abstract
The present invention relates to a non-combustible, sound-absorbing facing (30) having an air flow resistivity of between 80 and 3,000 Rayls and a weight per unit area of between 20 and 1,000 g/m2 and to a laminate (10) comprising the facing (30) and a substrate (20) wherein superimposing the facing (30) on the substrate (20) forms the laminate (10) having good sound absorbing characteristics.
Claims20
A non-combustible sound-absorbing facing having an air flow resistivity of between 80 and 3,000 Rayls and a weight per unit area of between 20 and 1,000 g/m2.
A non-combustible sound-absorbing laminate comprising:
- (a) a non-combustible sound-absorbing facing having an air flow resistivity of between 80 and 3,000 Rayls and a weight per unit area of between 20 and 1,000 g/m2;
- and
- (b) a substrate;
- wherein superimposing the facing on the substrate forms the laminate having good sound absorbing characteristics.
1 more element
Dependencies are inferred from the claim text.