Automotive sound-proof materials and damping materials therefor

Details Automotive sound-proof materials and damping materials therefor Automotive sound-proof materials and damping materials therefor

G - Physics

10

K

296/9

G10K 11/16 (2006.01) B32B 7/02 (2006.01) B60R 13/02 (2006.01) B60R 13/08 (2006.01)

Patent

CA 1322209

ABSTRACT AUTOMOTIVE SOUND-PROOF PIATERIALS AND DAMPING MATERIALS THEREFOR An automotive sound-proof and damping material is disclosed having a damping material for attachment to a vehicle surface such as a dash, a sound-absorption material and a surface material integrally formed together. The damping material has an adhesive damping sheet containing a petroleum resin and a moldable plastic constraining material.

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