摘要 |
This invention pertains to asphaltic sheet sound deadener for use as a vibration damping medium in which the melt flow properties of the deadener are controlled by the use of ground mica. It can be bonded in place without excessive sag or flow by subjecting the material to 250- 400 DEG F. The main use of this material is in the automotive field, but it may be used in other areas such as the appliance and furniture industries. |