99% Purity 3um Crystalline Silica Powder Ultrafine Silica
Price:
Negotiable
MOQ:
1KG
Delivery Time:
3-5 work days
Brand:
SINOENERGY GROUP
Product Description
Crystalline Silica Powder
CS-D-3
Characteristic:
1, Produced with high purity natural quartz by super fine grinding and separating.
2, 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 | 2.65 x 103 |
| Moths Hardness | / | 7 |
| Dk | εr | 4.65 |
| Df | tanδ | 0.0018 |
| Linear Expansion Coefficient | 1/k | 14×106 |
| Thermal Conductivity | W/K·m | 12.6 |
Typical Test Data:
| Test Items | Unit | CS-D-3 | Instrument or Method | |
| Particle size | 45µm On | % | 0 | Wet Sieve |
| 75µm On | % | - | ||
| D50 | µm | 3.2 | MS2000 | |
| D100 | µm | 12 | ||
| H2O | % | 0.08 | Weight Method | |
| Whiteness | / | 98.8 | Whiteness meter | |
| Oil Absorption | g/100g | 40.2 | BOP | |
| A.A.S. | m2/g | 5.9 | Nitrogen adsorption | |
|
Chemical Composition |
SiO2 | % | 99.15 | Weight Method |
| Fe2O3 | % | 0.005 | Spectrophotometer | |
|
Extraction Water |
Ec | µs∕cm | 8.2 | EC Meter |
| Cl- | ppm | 2.1 | Automatic Potential Titrator | |
| Na+ | ppm | 2.5 | Atomic Absorption Spectrophotometer | |
| pH | / | 6.2 | pH Meter | |
Above specification are for common uses,and can be adjusted upon user’s request.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
SINOENERGY GROUP
Location
12/F Kuntai Building No.10 Chaowai Street,Chaoyang District,Beijing China.
Contact Person
Sales Department