Hydrophobic Fumed Silica CAS 68909-20-6
Sinochem is a major Hydrophobic Fumed Silica supplier. Meanwhile, our firm staffs a group of experts devoted to your development of China Hydrophobic Fumed Silica.
Hydrophobic fumed silica is a surface-treated thickening agent. It repels water and disperses easily in organic systems like adhesives and sealants. Its nano-sized particles provide excellent rheology control, anti-settling, and moisture resistance, enhancing the durability of various products.
- Thickening, thixotropic agent
- Anti-settling agent
- Thixotropic agent
Hydrophobic Fumed Silica Description
Product Name: Hydrophobic Fumed Silica
Synonyms: Silicon Dioxide/ Synthetic Amorphous Silica / Pyrogenic Silica
Grade: XYSIL R120H / XYSIL R120B / XYSIL R170H / XYSIL R230
EINECS No.: 272-697-1
Molecular Formula: SiO2
Molecular Weight: 60.08
CAS NO.:7631-86-9(General) ; 68909-20-6(Specific)
Density: 2.2 g/cm³
Melting point: > 1700℃
Boiling point: 2200℃ at 1.013 hPa
Appearance: white solid-powder
Water solubility: insoluble
Package: Packaged in multi-layer kraft paper bags, 10 kg per bag. Placed on pallets, wrapped with multiple layers of plastic film, and stored in a dry, well-ventilated warehouse to prevent deterioration.
Transportation:
- Sea Freight:
20′ GP: 1800 kg, 10 pallets, 180 kg/pallet
40′ GP: 3600kg, 20 pallets, 180 kg/pallet
40′ QH: 4000 kg, 20 pallets, 200 kg/pallet
- Road Transport: by requirement
About Us: With over many years as a certified Hydrophobic Fumed Silica manufacturer, we combine innovation with stringent production standards to deliver high-performance product.
Hot Tags: AEROSIL R 972 ; AEROSIL R 974 ; AEROSIL R 202 ; AEROSIL R 812 ; CAB-O-SIL TS-530 ; CAB-O-SIL TS-610; HDK H2000 ; HDK H3004
Hydrophobic Fumed Silica Technical
| Item | Units | Index | |||
| Grade | XYSIL R120H | XYSIL R120B | XYSIL R170H | XYSIL R230 | |
| Specific Surface Area (BET) | m2/g | 120±20 | 120±20 | 170±20 | 250±20 |
| pH-value (in 4% dispersion) | 4.5-6.5 | 3.7-5.5 | 3.7-4.7 | 5.5-8.0 | |
| Loss on Drying, Ex Works ( 2h@105℃) | wt% | <0.5 | <0.5 | <0.5 | <0.5 |
| Loss on ignition(2h@1000,based on material dried for 2h@105℃ | wt% | <2.0 | <2.0 | <2.0 | |
| Tamped density (based on material dried for 2h@105℃) | g/L | 50～70 | 40～60 | 40～60 | 40～60 |
| SiO2 content(based on the substance heated at 1000℃ for 2 h) | % | >99.8 | >99.8 | >99.8 | >99.8 |
| Carbon content(based on material dried for 2h@105℃) | wt% | 3.5-5.5 | 0.6-1.2 | 0.7-1.3 | 2.0-3.0 |
As a certified Hydrophobic Fumed Silica factory, we adhere to strict quality protocols, with every batch undergoing rigorous testing to ensure consistent efficacy and safety.
Hydrophobic Fumed Silica Applications
XYSIL R120H & XYSIL R120B Applications: Paint & Coating (Epoxy, Polyurethane); Adhesive & Sealant (Epoxy ,Polyurethane); Epoxy, vinyl ester resins and gelcoats; Pigment, toner and Ink
XYSIL R170H & XYSIL R230 Applications: Paint & coating; RTV silicone sealant; Silicone rubber; Adhesive
We offer competitive Hydrophobic Fumed Silica price, and exclusive discounts for large quantities, helping you effectively reduce procurement costs.
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