| 摘要 |
A plastic material preparing method includes steps of: i) preparing a supplementary material by mixing plastic resins with a pigment powder of a dark color and then letting the mixture thus obtained be processed into a colored, grained supplementary material through a pilling machine; ii) preparing a base material by mixing plastic resins with a pigment powder of a light color and then letting the mixture thus obtained be processed into a colored, grained base material through a pilling machine; and iii) mixing the supplementary material with the base material into a grained plastic material assorted in color for making plastic products having a wood grain.
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