Original document(7 pages)  中文版
    The foundry chilled resin belongs to a high-mohecular compound prepared by mixing 47 portions of polyvinyl acetal alcohol solution, 13 portions of modified terpene resin alcohal solution, 50 portions of ethyl cellulose alcohol solution, 0.6 portion of n-actyl alcohol, 0.4 portion of triethanolamine and 2 portions of glycol. Said invention can be volatilized and chilled in the course of making sand can be reused, and in the course of using it has no need of any supplementary condition or adding hardening agent, catalyst, etc.
Application Number
92100941 Application Date
Title 名称 Chilled resin for casting
Publication Number
1065029 Publication Date
Approval Pub. Date Granted Pub. Date
International Classification 分类号 B22C1/22
Applicant(s) Name
Liu Xiaoci
Address 地址 300111
Inventor(s) Name 发明人 Liu Xiaoci, Sun Mingjian
Attorney & Agent 代理人 LIU JIXIANG

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