| 摘要 |
PROBLEM TO BE SOLVED: To obtain the subject heat-generating agent giving a calorific power comparable to quicklime using reduced iron powder causing moderate exothermic reaction by compounding reduced iron powder, activated carbon powder, water and an inorganic salt at respectively specific ratios. SOLUTION: This agent is composed of (A) 74.5±5% of reduced iron powder (preferably black reduced iron powder), (B) 9±3% of activated carbon powder, (C) 11±2% of water and (D) 5±1% of an inorganic salt, generates heat to raise the temperature to >=105 deg.C and keeps the temperature for >=8 min when brought into contact with air. The component D preferably contains >=50% of MgCl2 , MgBr2 , CaCl2 , CaBr2 , CaI2 , LiI, NaI, KI, LiSCN, NaSCN and/or Ca (SCN)2 . |
