FILCO® 547 is a polyurethane resin expertly dispersed in a non-ionic water dispersion, specifically tailored for use as a film former in glass fiber sizings. It presents as a milky liquid, showcasing characteristics such as its composition as an aliphatic polyurethane resin, existing as a non-ionic emulsion, demonstrating high mechanical shear stability even in diluted emulsions, and boasting a narrow particle size distribution.

Functions: Film Former

Chemical Family: Polyurethanes (PU)

Technical Data Sheet

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Identification & Functionality

Chemical Family
Composite Materials Functions

Features & Benefits

  • Aliphatic polyurethane resin
  • Non-ionic emulsion
  • High mechanical shear stability of the diluted emulsion
  • Narrow particle size distribution
Characteristics of Film
  • Clear
  • Tough and not tacky
  • Low yellowing after drying at high temperature

Applications & Uses

Compatible Reinforcements
Application Characteristics
  • Improved stability in
  • Wide pH range non-yellowing films
  • Resistance to moisture
  • Impact resistance


Physical Form
Milky liquid
Typical Properties
ValueUnitsTest Method / Conditions
Solid Content45%MA145LFE
Glass Transition Temperature (Tg)-4°F-
Particle Size Distribution
ValueUnitsTest Method / Conditions
Average Particle Size500nmMA147LFE

Packaging & Availability

Regional Availability
  • Canada
  • Mexico
  • USA

Storage & Handling

Shelf Life
6 months
Storage and Shelf Life Conditions

FILCO® 547 should be stored in closed containers away from direct sun rays, at temperature between +5 and +30°C. In these conditions maximum suggested storage time is 6 months from production, in the original package. After that date product must be rechecked.Prevent from freezing.