发明授权
US4141769A Thermit compositions 失效
热成分

Thermit compositions
摘要:
A thermit composition useful for repairing ingot mould base plates is described. It comprises a particulate oxidizable metal, particulate iron oxide and a particulate refractory filler consisting wholly or partly of zircon, the refractory filler material being present in a proportion of 18 to 35 parts by weight per 100 parts by weight of easily oxidizable metal and iron oxide.
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