
Introduction
Precoated sand casting as one type of sand casting is a relatively advanced casting technology which not only is applied to cast different kinds of metals with many types, but also can meet the primary quality casting standard because of the final products with higher precision and surface quality than other sand casting methods.
Precoated Sand casting, you might as well call it the Resin coated sand casting or shell coated sand casting.The precoated sand casting process is a special iron casting & steel casting production process,which castings are to be cast in the iron moulds having a thin layer of the resin sand facing in their inner surfaces. Using resin coated sand iron mold to produce ductile iron brake disc castings,ductile iron wheel hub castings,yoke castings,Cylinder Block castings and Cylinder Head casting.

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