AL2CHEM SPECIALTIES AL FS-800

AL FS 800 is hydrophilic fumed silica surface treated with polydimethylsiloxane to make it hydrophobic. Fumed silica’s unique manufacturing process produces a very high purity type of silica with nano size primary particles, a fluffy white powder that is an amorphous and colloidal form of silica. These characteristics impart a wide range of benefits to formulations from thickening and reinforcement to free flow and anti-settling. In addition the treatment imparts added water repellency, corrosion resistance, as well as thickening of complex polar liquids

Chemical Name: Siloxanes and Silicones, di-Me, reaction products with silica

Functions: Filler, Rheology Modifier, Thickener, Water Repellent

Chemical Family: Silica

Labeling Claims: High Purity

Compatible Polymers & Resins: Unsaturated Polyester (UPE)

Technical Data Sheet
  • TypeDocument Name
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Composite Materials Functions
CAS No.
67762-90-7
EC No.
614-122-2

Features & Benefits

Labeling Claims

Applications & Uses

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

Properties

Physical Form
Typical Physical Properties
ValueUnitsTest Method / Conditions
Average Primary Particle Size14nm
BET Specific Surface Area100+/-25m²/g
Bulk Density40 - 60g/l
Heating Loss (at 105°C for 2 hr)1.0 - 2.0%
Hydrophobicity (in 25% Methanol)1 - 2
Loss on Ignition (at 1000°C for 2 hr)1.5 - 2.0%
pH Value (5% in water)max. 6.0
Silica Contentmin. 99%

Packaging & Availability

Packaging Type
Availability

Available in 10 lb bags