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Special Fused Silica Powder
iS produced with inorganic mineral melted and concreted first ,then by super fine grinding
and separating.
Low Dk and Low CTE;Exellent characteristics in chemical stability,environmentresistibility,insulation,strengthening character and heat stability.
Applications
High quality Filler used in Copper Clad Laminates, Epoxy Molding Compound,Electronic glue etc.
Additives used in Silica rubber,Paints,Plastic etc.
Test Item | Unit | Typical data | Instrument or Method | |
Particle Size | 45μm ON | % | 0 | Wet Sieve |
D100 | μm | 7.39 | Malvern Mastersizer 2000 | |
D50 | μm | 2.52 | ||
Appearance | - | white powder | Eyeballiing | |
Moisture Content | % | 0.18 | 105°C/2hr | |
Magnetic Content | ppm | 3 | Weighing with Magnet | |
Chemical Composition | SiO2 | % | 99.80 | Weighing |
Fe2O3 | % | 0.002 | UV UV/VIS Spectrophotometer | |
Extraction Water (10g+100ml,30min) | Na+ | mg/L | 2.1 | AA240 Atomic Absorption Spectrophotometer |
K+ | mg/L | 1.3 | ||
Cl- | mg/L | 1.2 | Automatic Potential Titrator | |
PH | - | 6.1 | PH PH Meter | |
Special Fused Silica