The resin sand only resin binder configuration type (core) of sand, sand reclamation is to maximize the adhesive film to remove the sand surface, adjust the sand surface (particle size), it is very economy I broughtbody sand. The old sand reclamation and reuse, save Xinsha consumption and for lost old sand transport costs, and renewable uniform sand, smooth surface, good thermal stability, and help to improve the quality of the casting, especially resin sand sand reclamation back when used, can reduce the amount of resin is added, and reduces the cost of the resin bonded sand, but also to reduce the environmental pollution caused due to the discharge of waste sand.
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