FORFARANDE FOR FRAMSTELLNING AV EN METALLPRODUKT, VARVID METALLEN STRENGSPRUTAS MED ETT GLAS INNEHALLANDE SIOŸ2, ALŸ2OŸ3, BŸ2OŸ3 SASOM SMORJMEDEL SAMT GLASKOMPOSITION FOR UTOVANDE AV FORFARANDET

摘要

1483529 Lubricant glass NIPPON ELECTRIC GLASS CO Ltd 6 Sept 1974 [8 Sept 1973] 39047/74 Heading C1M [Also inDivision C5] A glass composition, suitable for use as a lubricant in a hot metal extruding process, comprises, in per cent by weight: the balance, if any, consisting of other compatible constituents. 0-10% K 2 O may be present, provided that the total (Na 2 O + K 2 O) is 10-30%. 0-0À5% Li 2 O may be present.