Fumed silica is widely used in fine chemical fields such as silicone rubber, coatings, unsaturated resins, etc.
Implementation of standards:GB/T20020-2013
| ITEMS |
SPECIFICATIONS |
RESULTS |
| IDENTIFICATION |
ACCORD WITH
STANDARD |
PASS |
| PH VALUE |
3.7-4.5 |
4.0 |
| Drying Loss% |
Max2.5 |
2.1 |
| The apparent dengsity g/l |
Max40-60 |
46 |
| SPECIFIC SURFACE AREA M²/G |
200±20 |
210 |
| MOISTURE(105ºC)% max |
0.6-1.2 |
1.1 |
| PURITY OF SIO² % |
≥99.8 |
99.9 |
COLOR COMPARED WITH THE
STANDARD SAMPLE |
STANDARD SAMPLE |
STANDARD
SAMPLE |
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