Surfac-Treated Silica/Electronic Materials Grade

Qmin-SIL Series surface-treated silica, is the fused or crystal silica powder which surface has been treated by single or multi-kinds of silane, to improve the electrical property of the product. Since the silica powder surface is affinity of organism, it’s mechanical, electrical and flowabilty is much better, it’s waterproof character is better also. These product is very good for EMC and other electrical application, esprcially for APG purpose.



Special Features:
● Mechanical, electrical and chemical property is improved.
● Powder surface organism affinity, make the powder flowablity better
● Pure(high SiO2 content, low Iron, Potassium , Sodium Oxide & Aluminium))
● Anti-water make the product waterproof.

Main Applications:
● EMC (Epoxy Molding Compound) Filler, coating powder
● Electrical Insulators
● APG
● Others

Chemical Composition:
SiO2(typical): 99.72%(for Fused Silica); 99.50%(for crystal silica)
Fe2O3(typical): 0.010%(for Fused Silica); 0.020%(for crystal silica)

Extracted Water:
Cl- (Max.): 5ppm(for Fused Silica); 7ppm(for crystal silica)
Electric Conductivity(Max.): 6um/cm(for Fused Silica); 8ppm(for crystal silica)

Physical Properties:
Appearance: White Powder
Specific Gravity: 2.21(for Fused Silica); 2.65(for crystal silica)
PH: 6-8
Moisture: 0.1% Max..
Hydrophobic Property: 45min.



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.