| 摘要 |
PURPOSE: A light weight, vibration-damping composition having effective amounts of at least one butyl rubber, at least one tackifying resin, at least one pigment and substantially spherical micro spheres is provided. CONSTITUTION: The composition comprises a mixture of at least one butyl rubber, at least one tackifying resin, at least one light weight pigment, and substantially spherical particle. This composition has a specific gravity of about 1.0 to 1.2 and has effective damping effects at low temperatures as well as temperatures up to about 60°C. This composition is effective for use in the transportation industry, the building industry, the aerospace industry and the appliance industry.
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