... , it can be storaged for 4-6 years. (Storage time up to 10 years in dry place)Labels 1,Product introduction ... 15-20 minutes, with strong flame, and the flame temperature up to 600 degree, smokeless, odorless, non-toxic, no residue after ... value, short burning time, residue occurred after burning, hard to clean up, etc.With the development of tourism and the improvement of ...