Hitachi Construction Machinery


Recycling of forging scale and shot blast slag

Niigata Material manufactures molded and forged components for construction machinery and vehicles. The company started recycling forging scale and shot blast powder slag, which are generated during production, as noise insulating material to reduce the amount of waste to be disposed of, from fiscal 2007.

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Forging scale

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Shot blast powder

The quantity of recycled slag for fiscal 2008 was 231.4 ton, which was a reduction of 13.5 ton on the amount for fiscal 2007 of 244.9 ton, because of a decline in production volume. They will continue to recycle slag.


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