99.9% High Purity 7um Spherical Silica Powder Silica Sphere Microsphere SS-T Series
SINOENERGY GROUP by the use of modern scientific quality management system, implementation of advanced processing technology, the precise detection technology R & D and production of spherical silica.This product enjoys unmatched fineness, granularity, stability and know-how. The specific feature of mono-dispersed,surface smoothness,good fluidity,low coefficient of thermal expansion ,free coarse granules and perfect chemical stability makes the super fine silica powder become the best filling materials and additive in comprehensive applications including paint-coating, adhesive, sealants, silica gels and epoxy resins and etc.
SiO2 > 99.95%
Spherical silica is kind of silica which has a spherical particles.
Spherical silica has characters of high purity, low specific surface, good fluidity, low thermal stress etc.
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ITEM |
SS-T-7 |
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|
D50(um) |
7±1.0 |
|
|
SiO2 |
≥99.9% |
|
|
Spherical rate |
≥95% |
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|
Water content |
≤0.05% |
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|
Melting rate |
100% |
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|
Chemical composition |
Na |
≤20ppm |
|
K |
≤10ppm |
|
|
Ca |
≤10ppm |
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|
U |
<1ppb |
|
|
Mg |
≤10ppm |
|
|
Fe |
≤50ppm |
|
|
Ion content In water extraction liquid |
Na+ |
≤2ppm |
|
K+ |
≤1ppm |
|
|
Cl- |
≤1ppm |
|
|
Conductivity rate |
≤10µs/cm |
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|
pH |
6±1 |
|
Above specification are for common uses,and can be adjusted upon user’s request.
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