FILCO® 8103 is an epoxy resin incorporated into a water emulsion, designed as a sizing agent for glass fiber. It is notable for its excellent compatibility with various sizing components and its ability to resist yellowing over time. Its appearance resembles that of a milky liquid. Additionally, it boasts non-flammable properties.

Functions: Film Former

Chemical Family: Epoxy & Epoxy Derivatives

Technical Data Sheet

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Identification & Functionality

Composite Materials Functions

Features & Benefits

Labeling Claims
Product Highlights

FILCO® 8103 is an epoxy resin in water emulsion used as sizing for glass fiber:

  • Good compatibility with sizes components
  • Not yellowing

Applications & Uses

Compatible Reinforcements


Physical Form
Milky liquid
Typical Properties
ValueUnitsTest Method / Conditions
Solid Content60%MA145LFE
Epoxy Equivalent Weight (on dry resin)1000gMA149LFE
Particle Size Distribution
ValueUnitsTest Method / Conditions
Average Particle Size600nmMA147LFE

Packaging & Availability

Packaging Type
Regional Availability
  • Canada
  • Mexico
  • USA
Packaging Information

FILCO® 8103 is supplied in steel drums with polyethylene liner, net weight 200 kg.

Storage & Handling

Shelf Life
6 months
Storage and Shelf Life Conditions

FILCO® 8103 should be stored at a temperature between + 5°C and + 30°C. Maximum suggested storage time is 6 months from production, in the original package. After that date product must be rechecked.