配方类型：	METALS AND THEIR TREATMENT
配方说明：	Foundry-Core Mix (For Aluminum)
配方组成：	Water/20-30 "Resimene" 970/7 Sand (90-130 A.F.S.)/1000 (Distilled oleic acid (red oil). Release Agent*/4 Cereal Flour/6
配制方法：	In aluminum core work, the weakest possible core, consistent with core-handling requirements, is desirable. Often a much "Weaker" mix than this is used and the cores are sprayed with water before being placed in the baking oven. This produces a core with a strong skin and maximum collapsability.

返回数据库查询