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(4) Various additives (spheroidizing agent, inoculant, masking agent) should be kept dry and high humidity, and it can be used after drying. How to prevent these defects has always been a concern of casting manufacturers. The moisture content of the wet molding sand should not be too high.

Non-ferrous metal casting can also be accomplished by metal mold casting technology, and the so-called metal mold casting is actually a casting method of casting molten metal into a metal mold by gravity casting. Compared with other casting methods, metal casting has its own characteristics and scope of application. In contrast, the quality and size of castings formed by metal mold casting are relatively stable, and the precision is very high, and the surface roughness is also fine.

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