99.8% Hydrophilic Fumed Silica 7631-86-9 For Sealants
99.8% Hydrophilic Fumed Silica 7631-86-9 For Coating Auxiliary Agents
Hydrophilic Fumed Silica
Technical Data:
| Item Grade | AH-150 | AH-200 | AH-300 | AH-380 | Testing method |
| Surface aream2/g | 150±30 | 200±30 | 300±30 | 380±30 | GB/T20020 |
| pH of suspending solution(4%) | 3.6-4.5 | 3.6-4.5 | 3.6-4.5 | 3.6-4.5 | ISO787-9 |
| Heating loss % | ≤1.5 | ≤1.5 | ≤1.5 | ≤1.5 | ISO787-2 |
| Burning loss% | ≤2.5 | ≤2.5 | ≤2.5 | ≤2.5 | ISO3262-1 |
| Sieve residue (45um)% | ≤0.05 | ≤0.05 | ≤0.05 | ≤0.05 | ISO787-18 |
| SiO2 content% | ≥99.8 | ≥99.8 | ≥99.8 | ≥99.8 | ISO3262-20 |
| Apparent densityg/L | 25-60 | 25-60 | 25-60 | 25-60 | ISO787-11 |
Hydrophilic Fumed Silica Applications:
| Application field | Type | Add amount[%] |
| Silicon rubber HTV/LSR | 15~35 | |
|
HTV/LSR silicon rubber two-component Room temperature Sulfuree rubber |
150 200 380 |
|
|
Printing ink: Gravure, gravure and screen printing |
200 380 |
0.5-5.0 |
|
Paint. Coating: Polyester lacquer, alkyd paint, acrylic paint and powder coatings |
150 200 380 |
0.5-5.0 |
|
Sealant, adhesive: Silicon sealant, Capacitor sealed glue. Pu, gather sulfur, butyronitrile rubber base, acrylates rubber |
150 200 380 |
5.0-15 0.5-5.0 0.5-5.0 |
|
Polyester resin: Laminated resin. Gel paint(gel), putty powder for cars |
200 380 |
0.5-3.5 |
|
PVC plastic: The hard and soft vinyl materials, cable materials organic increase solution, film |
200 380 |
1.0-30 |
| Cable insulation resistance water filling cream |
150 200 |
5.0-15 |
| Lubricating oil(fat) |
200 380 |
6-12 |
| Gel battery |
150 200 |
2.0-7.0 |
|
Catalyst Defoaming agent drug cosmetics and food etc. |
150 200 380 |
0.1-10 |
Packing: 10kg bag or on the clients' requirements.
Storage : Stored in draughty, dry place. Do not put it together.
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