Product Name:Crystal Silica - Electronic Materials Grade  
Crystal Silica - Electronic Materials Grade:
Qmin-SIL Series crystal Silica is made of high purity natural quartz, by our unique technology as purifying, grinding, sieving/classfying, surface treating, drying, magnetic seperating, designed for EMC and other electrical application.
Special Features:
● High electric insulation property
● Particle shape good for flowability
● High chemical Resistance
● Pure(high SiO2 content, low Fe, Na, K & Al))
● Statistically controlled particle size distribution
● High whiteness
● High Hardness, good wearable
Main Applications:
● EMC (Epoxy Molding Compound) Filler, coating powder
● Electrical Insulators
● Silicon rubber, paint etc.
● Others
  (1).  6-16mesh, 16-26mesh, 26-70mesh,70-140mesh
(2).  120mesh, 200mesh, 325 mesh,400 mesh, 600 mesh,
 800 mesh, 1250 mesh  
Remark: the particle size can also be produced as customer’s special requirement
Chemical Composition:
  SiO2:                99.8%Min.      (Typical: 99.82%)
Fe2O3:               200ppm Max.    (Typical: 100ppm)
Extracted Water:
 Na+                  8ppm Max.
 Cl-                   5ppm Max.
 Electric Conductivity:   15um/cm Max.
Physical Properties:
Appearance:          White granules, White powder
Specific Gravity:       2.65
Hardness( Mohs):      7.0
PH:                         6-8
Whiteness:              95  Min.
Igniting Loss:           0.1%Max.
We can offer further product information and our technical experience if you need, and also are in position to supply specially designed product as customer requirement.