... environmental fuel mainly used in army,military training high energy strong firepower easy to carry, safe in use IntroductionConvenient ... the property of white color, nontoxic, small volume, , strong firepower, easy to carry, safe in use, non-volatile, ... 20 gram can burn with 15-20 minutes, with strong flame, and the flame temperature up to 600 degree ... , surface, sand beach, and then ignite it. high quality hexamine