发明名称 Improved exothermic anti-piping composition
摘要 An exothermic anti-piping composition of the type which is formed of a refractory heat-insulating material, an exothermic compound, and an expanding media, and wherein the expanding media is predominantly either vermiculite ore or perlite ore along with less than 1% by weight of acid-treated graphite flakes.
申请公布号 US4261750(A) 申请公布日期 1981.04.14
申请号 US19800134102 申请日期 1980.03.26
申请人 PITTSBURGH METALS PURIFYING COMPANY 发明人 FOSTER, JOHN T.
分类号 B22D7/10;(IPC1-7):B28B7/36 主分类号 B22D7/10
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