| 摘要 |
PURPOSE: Provided is an asphalt sheet composition which is hot-melted to an automobile floor panel for reducing the vibration of the automobile inside floor and has good anti-vibration property even at a high temperature. CONSTITUTION: The asphalt sheet composition having high rigidity is characterized by comprising 43.85 to 20.00 wt% of an asphalt having a penetration zone of 50-120 and a softening point of 40-60 deg.C; 43.85 to 60.00 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; 4.40 to 8.00 wt% of one or more resins selected from the group consisting of a petroleum resin, a cumaron resin, a polyethylene resin, a polypropylene resin or an ethylene vinyl acetate copolymer resin; 3.50 to 8.00 wt% of one or more organic fibrous fillers selected from the group consisting of a vegetable fiber and a synthetic fiber; and 4.40 to 4.00 wt% of lime. |
