... used for heating food in the family, small objects welding, industrialScope:This product is easy to operate, portable, ... food in the family, small objects welding, industrial welding (including the welding of copper, silver welding, soldering), injection mold from broken expected ... hour. Gas Tank: 220 g gas gas. 2, materials: copper, zinc alloy, stainless steel, pipe, fire-retardant nylon shell. ...