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Product description

EM-5A is a 177°C (350°F) cure expanding cyanate ester syntactic film (core splice). Its unexpanded density is approximately 0.80 g/cc (50 pcf) and exhibits an expansion ratio of up to 4 times. It is available in continuous film rolls or in sheet form from thicknesses of 0.25-3.18 mm (10-125 mils).

Standard widths are 61 cm (24 inches), but alternative widths up to 127 cm (50 inches) are available upon request.

Product benefits/features

  • Expansion ratio of 4 times

Market segments

  • Space & Satellite
  • Radome


Product category Syntactics
Processing Out of Autoclave / Vacuum bag
Post curable
Resin type Cyanate Ester
Tg (Dry, onset) 204 °C / 399 °F
Cure temperature (Optimal) 177 °C / 350 °F
Cure temperature (Lowest)177 °C / 350 °F
Cure temperature (Highest)177 °C / 350 °F
Out life 28 days
Post curable

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