FILCO® 665 MF serves as a binder, offering good mechanical properties and resistance to hydrolysis. Tailored for use in composites, particularly in lamination applications, this product is available in powder form. It contributes to the essential characteristics required for durable and moisture-resistant laminated materials.

Functions: Resins, Binders & Matrix Materials

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Identification & Functionality

Features & Benefits

Applications & Uses

Composites End Use


Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Melt Index28g/10 minutesMA109RPL
Glass Transition Temperature (Tg)115°F-
Particle Size Distribution
ValueUnitsTest Method / Conditions
Particle Size (>500 μm)0%MA123LFE
Particle Size (>425 μm)max. 0.5%MA123LFE
Particle Size (>250 μm)6%MA123LFE
Particle Size (>180 μm)28%MA123LFE
Particle Size (>125 μm)32%MA123LFE
Particle Size (>75 μm)23%MA123LFE
Particle Size (>45 μm)9%MA123LFE
Particle Size (Passing Through)4%MA123LFE

Packaging & Availability

Regional Availability
  • Canada
  • Mexico
  • USA