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燃点和闪点[0]

Posted on 2023年11月14日 by

闪点

闪点是指挥发性物质所挥发出的气体与火源接触下会闪出火花(短暂)点燃的最低温度,举一个常见的例子是,燃料在低温的冬天,如果接近或等于这个温度,引擎点火很可能就会点不起来。闪点有时会与自燃温度混淆。 燃点与自燃温度:前者是指挥发物质在接触的火源被移除后,仍可自己持续燃烧的最低温度,后者则是不需要热源点火就会燃烧的温度。

燃点

一个燃料的燃点是指燃料能被明火引燃,并持续燃烧至少五秒的最低温度。在温度更低的闪点,物质会短暂地燃烧,但几乎不会产生可维持火焰继续燃烧的可燃气体。大多数的材料属性表只会列出物质的闪点,而通常都假定物质的燃点比闪点多出约10摄氏度。

参考资料:

  1. https://zh.wikipedia.org/zh-cn/%E9%97%AA%E7%82%B9
  2. https://zh.wikipedia.org/zh-cn/%E7%87%83%E7%82%B9

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