Iron powder mixed with impregnated fibrous and carbonaceous...

Details Iron powder mixed with impregnated fibrous and carbonaceous... Iron powder mixed with impregnated fibrous and carbonaceous...

C - Chemistry, Metallurgy

09

K

44/3

C09K 5/00 (2006.01) C09K 5/18 (2006.01)

Patent

CA 1127392

ABSTRACT OF THE DISCLOSURE The present invetion provides an exothermic composition prepared by mixing an iron powder with a mixed fibrous and carbonaceous powder as impregnated with a solution prepared by dissolving a proper amount of a neutral salt in an aqueous solution of an alkali or alkaline weak acid salt so as to mature when left sealed. The present invention also provides a warming bag wherein said exothermic composition is contained in a ventilated inner bag provided in a part with a group of ventilating holes and a nonventilated label covering it and this inner bag is contained in a nonventilated outer bag.

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