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打火石原料取自“白云鄂博稀土矿”(优质独居石),氧化炉精炼而成,没有辐射元素。
产品质量安全由中国内蒙古包头市稀土应用技术研究所国家级检测中心检验合格。
质量好:打火石打火时火星多,距离远,温度高,能长时间燃烧
==============================
尺寸:
8mm直径 x26mm长度
重量:
7g
标价是一根的价格
科普:
打火石成分:镧La铈Ce 铁Fe 铜Cu镁Mg锌Zn铝Al
打火石原理:
打火石是由镧、铈、铁等金属组成的合金,镧被敲打会爆出火花,铈受热就会
迅速燃烧,铁能增加使用寿命。
当我们使用小刀或特质刮片用力刮擦打火石的时候,就会产生大量的火花,火
花遇到易燃物,就会产生火焰。打火石≠镁
打火石和镁是两种不同的物质,但有时人们将 它们互相 误称,
打火石是合金,可以产生火星,可以单独使用;
镁是一种单质金属,不成产生火星,必须配合打火石使用;
镁屑被打火石点燃之后就能燃烧几秒钟,产生极高的温度,起到助燃、提高起
火成功率的作用。
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