| 摘要 |
Artifical marble having a light-storability is manufd. by molding a mixt. of polyester resin 1000 wt.%, light-storable pigment 40-80 wt.%, stone dust 800-1500 wt.%, broken stone particles 3000-5000 wt.% (particle size 180-200 mesh), hardener 8-15 wt.%, and silicone resin 0.3-0.5 wt.%, where the coverage of the broken stones is 85-98% of the surface area of the artificial marble. The ratio of broken stones and stone dust is preferable to 1:0.2-0.5.
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