|
HS Code |
648067 |
| Product Name | Hydrophobic Fumed Silica HB-139 |
| Appearance | White, fluffy powder |
| Primary Particle Size | 7–40 nm |
| Surface Area Bet | 200±20 m²/g |
| Loss On Drying | ≤1.5% at 105°C for 2 hours |
| Ph Value | 3.5–5.5 (in 4% aqueous dispersion) |
| Silanol Content | <1% |
| Hydrophobic Treatment | Treated with hexamethyldisilazane (HMDS) |
| Bulk Density | 40–60 g/L |
| Carbon Content | 2.5–3.5% |
| Refractive Index | 1.46 |
| Chemical Composition | SiO2 >99.8% |
| Moisture Content | <0.5% |
| Oil Absorption | 230–330 g/100g |
| Storage Temperature | 5–35°C |
As an accredited Hydrophobic Fumed Silica HB-139 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Hydrophobic Fumed Silica HB-139 is packaged in 10 kg multi-layer kraft paper bags, moisture-resistant, labeled with product and safety information. |
| Container Loading (20′ FCL) | Container Loading (20′ FCL): 2,880 kg (packed in 72 cartons, each containing 10 kg bags, on 18 pallets). |
| Shipping | Hydrophobic Fumed Silica HB-139 is shipped in tightly sealed, moisture-proof 10 kg or 15 kg bags or fiber drums, clearly labeled for chemical safety. The material is packed to prevent contamination, moisture exposure, and dust emission, and should be handled in accordance with standard regulations for non-hazardous, powdery substances. |
| Storage | **Hydrophobic Fumed Silica HB-139** should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from moisture and incompatible materials. Avoid exposure to direct sunlight and sources of ignition. Handle with care to minimize dust generation, and use appropriate personal protective equipment when handling. Keep away from food, drink, and animal feed. |
| Shelf Life | Hydrophobic Fumed Silica HB-139 has a shelf life of 2 years when stored in unopened original packaging under dry, cool conditions. |
Competitive Hydrophobic Fumed Silica HB-139 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615651039172 or mail to sales9@bouling-chem.com.
We will respond to you as soon as possible.
Tel: +8615651039172
Email: sales9@bouling-chem.com
Flexible payment, competitive price, premium service - Inquire now!
