To provide the resin compound abrasive to be used for blast-washing, deburring, and peeling of a coating film, and having excellent washing effect without damaging a surface of a material to be washed, and having a long service life in repeated usage at a high frequency.
This resin compound abrasive is obtained by distributing 10-60 volume % of atomized iron powder, which has a martensitic phase in the internal organization thereof and which has 10-500 μm of primary mean grain diameter, in the thermoplastic resin. This abrasive has excellent washing effect without damaging a surface of the material to be washed, and crush is hard to be generate even if the abrasive is injected to a surface of the material to be washed. This abrasive has a long service life because it can be repeatedly used at a high frequency.
KAYAMA NAOTO
HAYASHI SHIGEHIKO
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