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FILCO® 766 is a highly unsaturated polyester resin available in non-ionic water dispersion, specifically formulated as a film former in glass fiber sizings. Notably, FILCO® 766is free from DAP (Diallyl phthalate) and is deemed suitable for food contact applications. Its appearance resembles that of a milky liquid. Key product characteristics include high unsaturation, a non-ionic emulsifier integrated into the polymer, impressive hydrolysis and sedimentation stability, a narrow particle size distribution, and robust mechanical shear stability when the emulsion is diluted.

Functions: Film Former

Chemical Family: Polyesters, Unsaturated Polyester (UPE)

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Composite Materials Functions

Features & Benefits

Product Characteristics
  • Highly unsaturated
  • Non-ionic emulsifier built in the polymer
  • Hydrolysis and sedimentation stability from pH 1 to 6 = min. 48 hours
  • Narrow particle size distribution
  • High mechanical shear stability of diluted emulsion
Characteristics of Film
  • Clear
  • Not tacky
  • Fully crosslinked
  • Low solubility in styrene

Applications & Uses

Compatible Reinforcements
Processing Information

FILCO® 766 is suggested as film former for glass fiber sizes for:

  • SMC roving
  • BMC roving

Properties

Physical Form
Appearance
Milky liquid
Typical Properties
ValueUnitsTest Method / Conditions
Solid Content37 - 41%MA145LFE
pH1 - 4MA148LFE
Viscositymax. 5000mPa.sMA143LFE

Packaging & Availability

Regional Availability
  • Canada
  • Mexico
  • USA

Storage & Handling

Shelf Life
6 months
Storage and Stability

FILCO® 766 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.