天气预报 > 其他 > 使火柴自燃的温度是多少度
使火柴自燃的温度是多少度
更新时间: 2020-09-23 00:00:00  

240摄氏度;

自燃是指可燃物在空气中没有外来火源的作用,靠自热或外热而发生燃烧的现象使某种物质受热发生自燃的最低温度就是该物质的自燃点,也叫自燃温度。火柴是根据物体摩擦生热的原理,利用强氧化剂和还原剂的化学活性制造出的一种能摩擦发火的取火工具。火柴有摩擦火柴与安全火柴之分,其发火原理不尽相同。

关键词: 火柴 自燃 温度 多少

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