colloidal silica Suppliers, colloidal silica Manufacturers.
Designation |
Standard |
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CS-20 |
CS-25 |
CS-30 |
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Appearance |
Slight?milky?transparent?to?translucent?liquid |
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SiO2?(wt%) |
20±1% |
25±1% |
30±1% |
|
Na2O?(wt%) |
≤0.2% |
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Ions |
Fe |
≤50 |
||
Cl- |
≤50 |
|||
SO42- |
≤50 |
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Al2O3 |
≤100 |
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CO32- |
≤100 |
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Others |
<100 |
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PH?(20°C) |
8.0-9.5 |
|||
Density?(20°C,?g/cm3) |
1.12-1.14 |
1.15-1.17 |
1.19-1.21 |
|
Viscosity?(20°C,?mPa?S) |
≤35 |
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Particle?size?(nm) |
8-15 |
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Stability |
Six?months |
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Company: |
Zhejiang Yuda Chemical Co.,Ltd. |
E-mail: |
chem@netsun.com |
Address: |
Lianxing Village, Dongguan Street, Shangyu, Shaoxing City,Zhejiang Province,China |
Zip Code: |