| 摘要 |
PROBLEM TO BE SOLVED: To provide a speaker frame with various excellent performances such as impact resistance, thermal resistance and damping and its efficient manufacturing method and resin composition for the speaker frame. SOLUTION: The speaker frame with various excellent performances such as impact resistance, thermal resistance and damping is made of a resin composition by a polypropylene group resin to which glass fibers and inorganic fillers whose mean fiber length is 0.8 mm of over and 5 mm or less, which are broken when contained, are dispersed and contained.
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