FILCO® 7804 is a water-based dispersion featuring an aliphatic, blocked polyurethane resin, specifically formulated for use as a glass fiber sizing. This dispersion excels in high hydrolytical resistance, ensuring durability and performance in challenging environmental conditions. With its notable compatibility with PA (polyamide) matrices, FILCO 7804 seamlessly integrates into composite systems, enhancing the overall properties and resilience of glass fiber-reinforced materials. This aqueous dispersion stands as a reliable solution, providing robust hydrolytical resistance and optimal compatibility for the production of high-quality composite materials.

Functions: Film Former

Chemical Family: Polyurethanes (PU)

Compatible Polymers & Resins: Polyamides

Technical Data Sheet

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Identification & Functionality

Chemical Family
Composite Materials Functions

Features & Benefits

Product Characteristics

FILCO® 7804 reactive, non-ionic polyurethane dispersions: aliphatic hydrazine-free
Application characteristics: 

  • Increased temperature resistance
  • Increased hydrolysis resistance

Main features:

  • Polyester polyol, unblock T=320°F

Applications & Uses

Compatible Polymers & Resins
Compatible Reinforcements


Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Solid Content40%MA145LFE
Glass Transition Temperature (Tg)-47°F-
Particle Size Distribution
ValueUnitsTest Method / Conditions
Average Particle Size700nm-

Packaging & Availability

Packaging Type
Regional Availability
  • Canada
  • Mexico
  • USA