kinsei matec > Product Information > Product List > Mica
We provide muscovite powder from China and phlogopite powder from Finland.
High rigidity and low warpage as a result of being flake-shaped.
Dimensional stability is improved in order to reduce the coefficient of linear expansion.
Improve the heat resistance
Mold shrinkage reduction
Bronze mica White mica
K2O 10~11% 9~12%
SiO2 40~42% 43~50%
AL2O3 9~11% 20~36%
Fe2O3 3~11% 1~6%
MgO 20~26% 0.1~1%
Ignition loss(1000℃) 1~3% 4~5%
Color tone,Shape Scalelike powder,Brass~Reddish Scalelike powder,White
True specific gravity 2.8g/㏄ 2.8g/㏄
Refractive index 1.58 1.58
Mohs hardness 2.5~3 2.5
pH(ISO 787-9) 8~9 9
White mica MTgrade
grade Average particle diameter Whiteness
MT-60B 150µm -60Mesh 90%min 500ppm以下 76
MT-100B 80µm -100Mesh 90%min 750ppm以下 78
MT-200B 40µm -200Mesh 90%min 750ppm以下 80
MT-400B 20µm -400Mesh 90%min 1000ppm以下 82
Bronze mica PT grade
grade Average -500Mesh -250Mesh -150Mesh -45Mesh
30 18µm - - 99-100% 90%min
80 35µm - 99.9-100% 96-100% 70-95%
150 52µm 100% 99-100% 90 -100% 55-85%
250 80µm 100% 99-100% 70-95% 30-75%
Filler for plastic
Paint
Building material