I. Physical property: The product is a white solid colloidal particulate. The primary particle diameter is approx 5-40nm (nanometer). The product holds remarkable functions including thixotropy, reinforcing, thickening and filling. The product cannot be dissolved in all other solvents and liquids except fluorhydric acid and concentrated alkali.
II. Quality index: Q/SHG 19-2011
|
Item |
Index |
|
|
AS-100 |
AS-130 |
AS-150 |
AS-175 |
AS-200 |
AS-250 |
AS-300 |
AS-380 |
|
Appearance |
White solid colloidal particulate |
|
Specific surface area, m2/g |
100±15 |
130±15 |
150±15 |
175±20 |
200±25 |
250±25 |
300±30 |
380±30 |
|
PH value |
3.6~4.3 |
|
Heating loss, percent(m/m)≤ |
1.5 |
1.0 |
1.0 |
1.0 |
2.0 |
2.0 |
2.0 |
2.5 |
|
Ignition loss, percent(m/m)≤ |
1.0 |
1.0 |
1.0 |
1.0 |
2.0 |
2.0 |
2.0 |
2.0 |
|
Apparent density, g/l≤ |
60 |
III. Application: The fumed silica is used mainly in industries including silastic, building sealant, painting, electronics and electric power, medicine and medical material, resin processing, printing ink and pesticides.
AS-150: Mainly for silicone acidoid, room temperature silicon sulfide rubber (low water content) and silicone ampholytoid.
AS-200: Mainly for high-temperature vulcanized silicone rubber, organic silicone defoamer, superior ink, power painting, PVC resin, unsaturated resin, thixotropic agent, powdery and flaky pharmaceutics and cosmetics.
AS-380: Mainly for highly transparent silastic, silicone grease, capacitor-encapsulating materials with high tear resistance.
IV. Packaging: The product is packaged with a multi-layer brown paper compound material bag, and the net weight is 10Kg/bag. The integral plastic packaging mode is adopted.
V. Storage and transportation: The fumed silica should be stored in a ventilated and dry warehouse. Prevent moisture, water and pressing during transportation; do not throw the product during handling.
Contact: 024-25553106, 25553176