| 摘要 |
PROBLEM TO BE SOLVED: To provide a projection material made of a used resin, its manufacturing method and a method for blasting used products, by which a low-priced projection material for blasting can be obtained by recycling used resin products. SOLUTION: The projection material made of a resin is produced by crushing and processing specific resin of used products using a crusher, etc., after separating and collecting the resin. The projection material made of the resin may be a mixture with the projection materials made of the resin composed of resin parts of a plurality of types of used products. COPYRIGHT: (C)2003,JPO
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