
Aerosil 380 Fumed Silica (SiO2)
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Basic Info
Place of Origin: | Hebei |
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Payment Type: | L/C, T/T, Western Union |
Product Description
Product Description
Aerosil 380 Fumed Silica (SiO2)
1. Introduction of Aerosil 380 Fumed Silica (SiO2)
Hydrophilic fumed silica is manufactured by hydrolysing volatile chlorosilanes in an oxyhydrogen flame. The loose white powder consists of highly pure amorphous silicon dioxide. Hydrophilic silica is wetted by water and can be dispersed in water. Hydrophobic silica is produced by the chemical reaction of hydrophilic silica with reactive silanes. It has water-repellent properties and is no longer dispersible in water.
Aerosil 380 Fumed Silica (SiO2): Mainly for highly transparent, high tear resistance silicone rubber, silicone grease, capacitor-encapsulating materials, and etc.
2. Main characteristics of Aerosil 380 Fumed Silica (SiO2)in physical and chemical aspects
High purity
Aggregated structure
Submicron particle size
Low bulk density
3. Applications of Aerosil 380 fumed silica
It can can be applied as a thickening and thixotropic agent in many organic systems, e. G. In unsaturated polyesters, coatings, printing inks, adhesives and others, if high gloss and transparency is required. It can be used as a reinforcing filler in elastomers, mainly silicone-elastomers, and can be used as a free flow additive in the production of powder substances and food stuff.
4. Packing and Storage of Aerosil 380 fumed silica
Packing: Carton packaging, 10 kg/bag, and
Storage: Seal at low temperature, ventilated, dry place.
Shelf life: At least two years under normal storage conditions.
1. Introduction of Aerosil 380 Fumed Silica (SiO2)
Hydrophilic fumed silica is manufactured by hydrolysing volatile chlorosilanes in an oxyhydrogen flame. The loose white powder consists of highly pure amorphous silicon dioxide. Hydrophilic silica is wetted by water and can be dispersed in water. Hydrophobic silica is produced by the chemical reaction of hydrophilic silica with reactive silanes. It has water-repellent properties and is no longer dispersible in water.
Aerosil 380 Fumed Silica (SiO2): Mainly for highly transparent, high tear resistance silicone rubber, silicone grease, capacitor-encapsulating materials, and etc.
2. Main characteristics of Aerosil 380 Fumed Silica (SiO2)in physical and chemical aspects
High purity
Aggregated structure
Submicron particle size
Low bulk density
3. Applications of Aerosil 380 fumed silica
It can can be applied as a thickening and thixotropic agent in many organic systems, e. G. In unsaturated polyesters, coatings, printing inks, adhesives and others, if high gloss and transparency is required. It can be used as a reinforcing filler in elastomers, mainly silicone-elastomers, and can be used as a free flow additive in the production of powder substances and food stuff.
4. Packing and Storage of Aerosil 380 fumed silica
Packing: Carton packaging, 10 kg/bag, and
Storage: Seal at low temperature, ventilated, dry place.
Shelf life: At least two years under normal storage conditions.
Item | Aerosil 150 | Aerosil 175 | Aerosil 200 | Aerosil 300 | Aerosil 380 |
Specific surface area m 2 /g (BET way) | 150±25 | 175±25 | 200±25 | 300±30 | 380±30 |
PH value(suspension liquid4%) | 3.6~4.5 | 3.6~4.5 | 3.6~4.5 | 3.6~4.5 | 3.6~4.5 |
Heating loss weight(2 hour,105°C) % max | 1.5 | 1.5 | 1.5 | 1.5 | 1.5 |
SiO2 wt.% min | 99.8 | 99.8 | 99.8 | 99.8 | 99.8 |
Al2O3 wt.% max | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
Fe2O3 wt.% max | 0.003 | 0.003 | 0.003 | 0.003 | 0.003 |
TiO2 wt.% max | 0.03 | 0.03 | 0.03 | 0.02 | 0.02 |

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