lost foam casting sand
Lost foam casting sand is a type of casting sand used for the lost foam casting process. The sand mold material is mainly composed of expanded polystyrene beads, which have good flowability and compressibility, and can be used to make complex-shaped and smooth-surfaced sand molds and cores.
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lost foam casting sand
Product Description
Lost foam casting sand is a type of casting sand used for the lost foam casting process. The sand mold material is mainly composed of expanded polystyrene beads, which have good flowability and compressibility, and can be used to make complex-shaped and smooth-surfaced sand molds and cores.
In the lost foam casting process, the expanded polystyrene beads are first molded into the desired shape of the casting, and then placed in a sand box. The air inside the mold is then removed by vacuum suction or compression. The molten metal is then poured into the mold and allowed to solidify. After the metal has cooled, the mold is shaken or washed away to reveal the final casting.
Lost foam casting sand is widely used in the automotive, machinery, aerospace, and other industries for manufacturing complex-shaped, dimensionally accurate, and smooth-surfaced castings. It has the advantages of high production efficiency, high material utilization rate, and simple processing technology, making it a popular choice in the casting industry.
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