映山红石材的硬度是多少

作者: 日期: 2016-05-23 11:33:21 人气: - 评论: 0

先来看一道石材初学者做的选择题:

石材的硬度常用( )表示。 A.莫氏硬度 B.布氏硬度 C.肖氏硬度 D.莫氏硬度或肖氏硬度

然后在来确定下花岗岩石材的硬度表示方法介绍摩氏硬度表

    1.滑石

     2.石膏

      3.方解石(大多数的大理石)

      4.萤石 

     5.磷灰石

     6.长石 (花岗岩)

      7.石英(花岗岩)

       8.黄玉

      9.刚玉

      10.金刚石

      摩氏硬度表就是用来测量石材耐磨的程度。当沉积物或沙砾比石材表面硬,就会刮伤石材。例如硬塑料硬度等级大约为2.0,它不会刮伤等级为3的方解石(大理石)。硬度为6级的沙子会刮伤3级的方解石但不会刮伤7级的石英石即花岗岩。硬度等级越高,就越耐磨。建筑物中外来沉积物硬度测量值为3.0至7.0。

看完大概就知道了,通常像本厂生产的映山红、代代红、光泽红、江西红等石材都属于天然花岗岩产品,莫氏硬度大概在7左右。

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