| 摘要 |
PURPOSE: A composition for a sheet of wheel is provided, which is applied to the panel of a car to prevent and to reduce the vibration effectively at any range of high temperature. CONSTITUTION: The composition comprises 10-25 wt% of the ethylene vinyl acetate copolymer which is solid at a room temperature; 10-15 wt% of the emulsified terpene phenolic copolymer resin; 5-15 wt% of nitrile butadiene rubber and 5-15 wt% of the blown asphalt for the adhesion and the vibration prevention; 3-9 wt% of aluminium hydroxide as a flame retardant; 7-18 wt% of mica powder of 40-60 mesh, 1-8 wt% of linear cellulose fiber, 7-17 wt% of heavy calcium carbonate, and 15-45 wt% of ferrite powder as a filler, a vibration-preventing agent and a soundproofing agent; 1-5 wt% of carbon black as a reinforcement; and 3-7 wt% of glass bubble as a filler for lightening and reinforcement.
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