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Advantages and disadvantages of natural mica
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Advantages and disadvantages of natural mica

  • classification:Industry news
  • Author:
  • source:
  • release time:2019-09-04 10:49
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【概要描述】

Advantages and disadvantages of natural mica

【概要描述】

  • classification:Industry news
  • Author:
  • source:
  • release time:2019-09-04 10:49
  • Views:
详情
Natural mica will undergo hydration reaction under the long-term scouring of high temperature and high pressure water to make mica discolor, stratification, scale, wet and even rupture. Natural muscovite has a tendency to lose weight from 200 ° C. When the temperature is higher than 450 ° C, it begins to decompose, the thickness expands, and the weight loss is above 600 ° C, and it almost completely decomposes at 900 ° C.
 
         The phlogopite starts to decompose from 500 ° C, and the weight loss is remarkable at 900 ° C or above. The specific performance of its weight loss is gradually starting from 200 ° C, discoloration, and shedding. Therefore, the use temperature of natural mica is limited. For ultraviolet light, natural mica is basically impermeable, and natural muscovite has a distinct absorption peak at 2.75 microns (wavenumber 3636 cm-1).

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