FILCO® 310 is a urethanized epoxy resin presented in a non-ionic water emulsion, specifically serving as a film-former within glass fiber sizings. Its appearance resembles that of a milky liquid. Noteworthy material features include excellent non-yellowing properties, a favorable surface finish, robust thermal stability, and high hardness.

Functions: Film Former

Chemical Family: Epoxy & Epoxy Derivatives, Urethanes

Compatible Polymers & Resins: Polyesters

Technical Data Sheet

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Identification & Functionality

Composite Materials Functions

Features & Benefits

Characteristics of Film
  • Clear, hard
  • Glass transition temperature Tg approx. 30°C
  • High thermal stability
  • Not yellowing at high temperature
  • Medium-low solubility in styrene

Applications & Uses

Compatible Polymers & Resins
Compatible Reinforcements
Processing Information

FILCO® 310 is suggested as film former for glass fiber sizes for:

  • Roving for SMC
  • Roving for BMC

Properties

Physical Form
Appearance
Milky liquid
Typical Properties
ValueUnitsTest Method / Conditions
Solid Content51 - 53%MA143LFE
pH6 - 8-MA145LFE
Epoxy Equivalent Weight (on dry resin)520 - 580nmMA147LFE
Particle Size Distribution
ValueUnitsTest Method / Conditions
Average Particle Size1400 - 1800nmMA148LFE

Packaging & Availability

Regional Availability
  • Canada
  • Mexico
  • USA

Storage & Handling

Shelf Life
12 months
Storage and Shelf Life Conditions

FILCO® 310 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.Thoroughly homogenize the product before use.