B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/135, 22/188,
B22C 3/00 (2006.01) B22D 7/10 (2006.01) B22D 27/06 (2006.01) C04B 35/65 (2006.01) C04B 35/66 (2006.01)
Patent
CA 1286085
FS 1345 ABSTRACT EXOTHERMIC COMPOSITIONS An exothermic composition comprises a particulate readily oxidisable metal such as aluminium, magnesium or silicon and an organic fluorine-containing compound, and usually an oxidising agent for the readily oxidisable metal. The preferred organic fluorine- containing compound is polytetrafluoroethylene. The composition may also contain a binder, a particulate refractory material, refractory fibres and/or organic fibres. The composition may be used in the casting of molten metal, either in particulate form or as a preformed shape such as a sleeve or board, to cover or surround molten metal in the feeder of a casting mould or in the head or head box of an ingot mould.
534732
Gough Michael John
Neu Max Gerhard
Foseco International Limited
Gowling Lafleur Henderson Llp
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