FILCO® 8001 presents as a milky liquid and is classified as an unsaturated polyester-epoxy polymer within a non-ionic water emulsion. It is recommended as a film for glass fiber sizing, particularly for applications involving translucent sheet roving, spray roving, and mat roving.

Functions: Film Former

Chemical Family: Epoxy-Polyester Hybrid

Compatible Polymers & Resins: Epoxies (EP), Unsaturated Polyester (UPE)

Processing Methods: Spray Lay-up

Technical Data Sheet

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Identification & Functionality

Chemical Family
Composite Materials Functions

Features & Benefits

Labeling Claims
Product Characteristics
  • Cear and not yellowing.
  • Compatible with unsaturated polyester and epoxy resins.
  • Glass transition temperature TG ~ 10°C.
  • Very quickly soluble in styrene.

Applications & Uses

Compatible Polymers & Resins
Compatible Reinforcements
Composites Processing Methods

FILCO 8001 is suggested as film former for glass fiber sizes for:

  • Translucent sheet roving
  • Spray roving
  • Mat roving

Laminates produced with glass fiber sized with FILCO 8001 show very high transparency.


Physical Form
Milky liquid
Typical Properties
ValueUnitsTest Method / Conditions
Solid Content39 - 42%MA145LFE
Viscosity (at 25°C, 20 rpm)500 - 2800mPa.sMA143LFE
pH (at 20°C)4.5 - 6.5-MA148LFE
Epoxy Equivalent Weight (on emulsion)550 - 650gMA149LFE
Particle Size Distribution
ValueUnitsTest Method / Conditions
Average Particle Size200 - 600nmMA147LFE

Packaging & Availability

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

FILCO 8001 is supplied in steel drums with an internal polyethylene liner, net weight 200 kg, or in IBC, net weight 1000 kg

Storage & Handling

Storage and Shelf Life Conditions
  • FILCO 8001 should be stored at temperatures between 5° C and 30°C.
  • Maximum suggested storage time is 12 months from production.
  • After that date the product must be rechecked.
  • During storge a slight settlement can take place, which can easily be eliminated by careful stirring.