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公开(公告)号:US4426467A
公开(公告)日:1984-01-17
申请号:US224131
申请日:1981-01-12
CPC分类号: B22C1/2253 , B22C1/22 , C08K5/151
摘要: A foundry molding composition comprising,(a) a granular refractory material;(b) about 0.8 to 5.0% of an alkaline phenolic resin based on the weight of the refractory material;(c) about 25 to 110% of a lactone based on the weight of the phenolic resin.
摘要翻译: 一种铸造模制组合物,其包含:(a)颗粒状耐火材料; (b)基于耐火材料重量的约0.8至5.0%的碱性酚醛树脂; (c)基于酚醛树脂重量的约25至110%的内酯。