Al2Chem AL FS-800 Fumed Silica

1 of 7 products in this brand
Al2Chem AL FS-800 Fumed Silica Fumed Silica is a hydrophilic fumed silica treated with polydimethylsiloxane to create a hydrophobic surface. This high-purity, amorphous, colloidal silica in fluffy white powder form features nano-sized primary particles. It offers benefits such as thickening, reinforcement, free-flow enhancement, and anti-settling, along with added water repellency, corrosion resistance, and thickening of complex polar liquids.

Chemical Family: Silica

Compatible Polymers & Resins: Polyesters

Physical Form: Powder

Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Compatible Polymers & Resins
Coating End Applications
Application Information
  • Adhesives and sealants
  • Unsaturated polyester resin and gel-coat thickening
  • Cable gels
  • Paints, coatings and inks
  • Anti-settling for heavy fillers

Properties

Color (Properties)
Physical Form
Appearance
Fluffy white powder
Physical Properties
ValueUnitsTest Method / Conditions
pH Value (5% in water)max. 6.0%-
Loss on Ignition (at 1000°C for 2hr)1.5 - 2.0%-
Heating Loss (at 105°C for 2 hr)1.0 - 2.0%-
Bulk Density40 - 60g/l-
Average Particle Size14nm-
Bet Specific Surface Area75 - 125m²/g-
Hydrophobicity (in 25% methanol)1.0 - 2.0--
Silica Content (SiO₂)min. 99%-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
AppearanceWhite powder--
Boiling Point2230°C-
Density (at 20°C)2.2g/cc-
Insoluble inWater--
Melting Point1700°C-
OdorUnder normal use, may exhibit odor at high temperature.--

Regulatory & Compliance

Packaging & Availability

Packaging Information
  • Available in 10 lb bags