天气预报 > 教育 > 纸的燃点是多少
纸的燃点是多少
更新时间: 2021-01-11 05:59:21  

1、常温常压下,普通纸张的燃点一般在130-255.5℃,摄氏183度和华氏451度,部分特殊的纸(黄纸,草纸)燃点会小于100摄氏度,甚至更低。

2、燃点是指在规定的试验条件下,应用外部热源使物质表面起火并持续燃烧一定时间所需的最低温度。将可燃物充分暴露在热的表面之中,电热金厉丝、辐射能源中很小的点火源(如中等电火花放电)都可能引起着火。

关键词: 燃点 多少

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