company tower banner
Evonik Company Logo
AEROSIL® 380 is a hydrophilic fumed silica with a specific surface area of 380 m²/g.

INCI Name: Silica

Chemical Name: Pyrogenic Silica, Silica gel, pptd., cryst.-free

Functions: Anti-Caking Agent, Carrier, Filler, Heat Stabilizer, Leveling Agent, Reinforcement, Rheology Modifier, Stabilizer, Thickener, Thixotrope, Viscosity Modifier

Chemical Family: Silica, Silicates

Knowde Enhanced TDS

Identification & Functionality

Chemical Family
INCI Name
CASE Ingredients Functions
Composite Materials Functions
Cosmetic Ingredients Functions
Industrial Additives Functions
CAS No.
112945-52-5

Features & Benefits

Benefit Claims
Product Features
  • Optimum adjustment of rheology during processing
  • Reinforcement of silicone elastomers
  • Thickening of non-polar liquids
  • Free-flow of industrial powders
  • High chemical purity
  • Excellent insulation properties, even at high and low temperatures
  • Excellent transparency in unsaturated polyester resins
  • Flow aid

Applications & Uses

Compatible Substrates & Surfaces
Composites End Use

Properties

Physico-Chemical Properties
ValueUnitsTest Method / Conditions
Tamped Density*approx. 50g/l
Specific Surface Area (BET)350 - 410m²/g
SiO₂ Content (based on ignited material)min. 99.8%
pH Value (in 4% dispersion)3.7 - 4.5
Loss on Drying* (at 105 °C, 2 hours)max. 2%

Regulatory & Compliance

Packaging & Availability

Country Availability
Packaging Type
Regional Availability
  • North America
Packaging Information

AEROSIL 380 is supplied in multiple layer 10 kg bags.

Storage & Handling

Shelf Life
2 years
Storage Conditions

Recommend to store the product in closed containers under dry conditions and to protect the material from volatile substances. AEROSIL® 380 should be used within 2 years after production.