①按燃烧性,危险物品分为几类?按燃烧性,凡有火灾或爆炸危险的物品统称为危险物品，可分为以下7类:1.爆炸物品。凡是受到高热、摩擦、冲击等外力作用或受其他因素激发,能在很短时间内发生剧烈化学反应,放出大量气体和热量,同时伴有巨大声响而爆炸的物质,就是爆炸物品。如:雷管 ① By flammability, dangerous goods into several categories? By flammability, where there is a danger of fire or explosion collectively referred to as dangerous goods, can be divided into the following seven categories: 1. Explosives. Excited by external forces such as heat, friction and impact, or by other factors, severe chemical reactions can take place in a very short period of time, releasing a large amount of gas and heat, accompanied by a loud sound and exploding substances, namely explosives. Such as: detonator