Product

EM-3

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Product description

EM-3 is a 121°C (250°F) curing expanding epoxy film based on low density syntactic film technology. It is an effective material in generating internal pressure in closed mold applications and honeycomb filling, splicing, and stabilization.

EM-3 is available in film form from 30–91 cm (12–36”) wide with standard thicknesses from 0.635 mm to 1.27 mm (0.025“ to 0.050”). Other widths and thicknesses may be available upon request.

Product benefits/features

  • High expansion (8-10 x) 0.64 g/cc (40 pcf) density
  • Tg estimated from base resin data

Market segments

  • Space & Satellite
  • Aerostructures
  • Radome

Details

Product category Syntactics
Processing Out of Autoclave / Vacuum bag
Autoclave
Resin type Epoxy
Tg (Dry, onset) 116 °C / 240 °F
Cure temperature (Optimal) 121 °C / 249 °F
Cure temperature (Lowest)121 °C / 249 °F
Cure temperature (Highest)121 °C / 249 °F
Out life 30 days

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