| 摘要 |
PURPOSE: Provided is an asphalt sheet composition for use in covering an automobile inside floor, which inhibits the vibration and noise of the automobile to increase the durability of the automobile. CONSTITUTION: The asphalt sheet composition having high anti-vibration property is characterized by comprising: 47.6 to 21.7 wt% of a straight asphalt having a penetration zone of 40-200 and a softening point of 20-80 deg.C; 47.6 to 69.3 wt% of one or more inorganic fillers selected from the group consisting of a powdery inorganic filler, a scale-like inorganic filler and a hollow spheric inorganic filler; 2.4 to 4.5 wt% of a fibrous filler selected from the group consisting of a vegetable fiber and a synthetic fiber; and 2.4 to 4.5 wt% of lime. |
