... environmental fuel mainly used in army,military training high energy strong firepower easy to carry, safe in use ... be storaged for 4-6 years. (Storage time up to 10 years in dry place) 1.Product introduction ... -20 minutes, with strong flame, and the flame temperature up to 600 degree, smokeless, odorless, non-toxic, no ... , surface, sand beach, and then ignite it. high quality hexamine