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TenCate SF-4
BMI

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Product description

SF-4 is a BMI syntactic film which provides excellent elevated temperature properties. SF-4 is available in unsupported or supported continuous film form in thicknesses from 10 mils to 300 mils. SF-4 has been evaluated and qualified in aerospace structures.

Product benefits/features
  • Good handleability and drape
  • Low dielectric and loss tangent over wide thermal and electrical range
  • Density of 39 pcf (0.62 g/cc)
Market segments
  • Aerostructures
  • High Temperature
Product type Syntactic
Resin type BMI
Tg 295°C/563°F
Initial cure temp 250°C/452°F
Cure time 2 hours at 204°C/400°F followed by 6 hour post cure at 250°C/452°F.
Outtime n/a
Post curable Yes
Vacuum processable No
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