Preparing method and apparatus of artificial crystal synthetic mica
A technology for synthesizing mica and artificial crystals, applied in electric heating devices, chemical instruments and methods, silicon compounds, etc., can solve the problems of low purity, low mica yield, and poor mica performance, and achieve the effect of strong light transmission performance
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[0063] The artificial crystal synthetic mica provided by the invention comprises quartz sand, magnesia, aluminum oxide powder, potassium fluorosilicate and potassium carbonate in the basic composition of its preparation raw materials, and its content (weight percent) purity and particle size are:
[0064] Quartz sand (SiO 2 ) 40%~35% 97%~99% 40 mesh~100 mesh
[0065] Magnesia (MgO) 30% to 29% 92% to 99% 16 mesh to 30 mesh
[0066] Alumina powder (Al 2 o 3 ) 10%~13% 98%~99% 120 mesh~200 mesh
[0067] Potassium fluorosilicate (K 2 SiF 6 ) 16%~20% 98%~99% 120 mesh~200 mesh
[0068] Potassium carbonate (K 2 CO 3 ) 4% ~ 3% 96% ~ 99% 16 mesh ~ 40 mesh
[0069] The molecular formula of the artificial crystal synthetic mica synthesized by the above raw materials is: KMg 3 (AlSi 3 o 10 ) F 2 .
[0070] In the prepared KMg 3 (AlSi 3 o 10 ) F 2 In, SiO 2 The content of Al is 38-42%. 2 o 3 The content of K is between 10% and 14%. 2 The content of O is 9-14%, the cont...
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