99% Purity 18um Fused Silica Powder Fused Quartz Powder
Price:
Negotiable
MOQ:
1KG
Delivery Time:
3-5 work days
Brand:
SINOENERGY GROUP
Product Description
Fused Silica Powder
FS-D-18
Characteristic:
1,Produced with high purity melted quartz by super fine grinding and separating.
2,Low DK and Low CTE; Excellent characteristics in chemical stability,environment resistibility,
insulation,strengthening character and heat stability.
Applications:
Filler used in Copper Clad Laminates, etc.
Typical Physical Data:
| Items | unit | Typical Value |
| Appearance | / | White powder |
| Density | kg/cm3 | 2.2 x 103 |
| Moths Hardness | / | 6.5 |
|
Dielectric Property |
εr | 3.88 |
| tanδ | 0.0002 | |
| Linear Expansion Coefficient | 1/k | 0.5×106 |
| Thermal Conductivity | W/K·m | 1.1 |
Typical Test Data:
| Test Items | Unit | FS-D-18 | Instrument or Method | |
| Particle size | 150µm ON | % | 0 | Wet Sieve |
| 75µm ON | % | ---- | ||
| 45µm ON | % | ---- | ||
| D50 | µm | 18.1 | MS2000 | |
| A.A.S. | m2/g | 3.7 | Nitrogen adsorption | |
| Whiteness | % | 97.3 | Whiteness meter | |
|
Chemical Composition |
SiO2 | % | 99.81 | Weight Method |
| Al2O3 | % | 0.122 | Spectrophotometer | |
| Fe2O3 | % | 0.005 | ||
| H2O | % | 0.042 | Weighting | |
| Na2O | % | 0.002 | ||
| K2O | % | 0.001 | ||
Above specification are for common uses,and can be adjusted upon user’s request.
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Company
SINOENERGY GROUP
Location
12/F Kuntai Building No.10 Chaowai Street,Chaoyang District,Beijing China.
Contact Person
Sales Department