FILCO® 7605 is an urethanized epoxy resin available in a non-ionic water emulsion, presenting as a milky liquid. It is recommended as a film for glass fiber sizes in applications such as SMC roving and chopped strands for BMC. The resin exhibits several advantageous material features, including good non-yellowing properties, a favorable surface finish, excellent thermal stability, high hardness, and non-flammability.

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 Characteristics

Characteristics of the dried film:

  • Clear
  • Hard
  • Glass transition temperature tg = approx 34°C
  • High thermal stability
  • Not yellowing at high temperature
  • Low solubility in styrene.

Applications & Uses

Compatible Reinforcements

FILCO® 7605 is suggested as film former for glass fiber sizes for:

  • SMC roving
  • Chopped strand for BMC


Physical Form
Milky liquid
Typical Properties
ValueUnitsTest Method / Conditions
Glass Transition Temperature (Tg)approx. 34°C-
Viscosity (at 25°C, #3, 20 rpm)100 - 5000mPa.sMA143LFE
Solid Content52 - 56%MA145LFE
pH (at 20°C)6.5 - 8.5-MA148LFE
Epoxy Equivalent Weight (on dry resin)670 - 800gMA149LFE
Particle Size Distribution
ValueUnitsTest Method / Conditions
Average Particle Size800 - 2000nmMA147LFE

Due to its quite large particle size distribution, it is advisable to homogenize well the product before use.

Packaging & Availability

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

FILCO® 7605 is supplied in steel drums with an internal polyethylene liner, net weight 200 kg.

Storage & Handling

Shelf Life
6 months
Storage Conditions

FILCO® 7605 should be stored in closed drums away from direct sun rays, at a temperature between + 5°C and + 30°C. In these conditions, maximum suggested storage time is 9 months from production, in the original package. After that date product must be rechecked.