foundry sand recycling machine



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Green Sand Blasting Equipment & Machinery
Green Sand Blasting Equipment & Machinery

great quality foundry resin sand regeneration machinery to recycle used resin sand The resin sand is a molding and core making technology with which the mould and core sand will be self-harded in the flask in certain time when added in certain amount glue At present, the foundry usually applies furan resin sand, ester-hardening alkaline phenolic .

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