L-695
Cyanate Ester Prepreg
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Product Data Sheet Revised 12/20/06
Description

L-695 is a high-performance 350°F (177°C) curing cyanate ester prepreg with temperature resistant performance up to 500°F (260°C). The mechanical property retention, with suitable reinforcement, varies between 70-80% of the room-temperature values. Available on woven or unidirectional fiberglass, quartz or carbon fibers.
Advantages of L-695
  • Wire band temperature tolerance
  • Reduced microcracking from thermal cycling
  • Contains no MDA curing agents
  • Low moisture absorption
  • Excellent hot/wet properties
  • Low outgassing for space hardware
  • Low CTE on carbon fibers
  • Film adhesives are also available
  Physical Properties on 6781 Glass Fabric
  • Standard Weight: 0.090 lbs/ft2 (439 g/m2)
  • Standard Resin Solids: 32% by weight
  • Standard Tack: Medium to High Tack
  • Cured Ply Thickness: 0.010” (0.254 mm)
  • Other Weights, Resin Contents, and Fabrics are Available
 Availability

  • Up to 60” width in rolls up to 100 yards long (152 cm x 91 m)

  Shelf Life
  • 6 months at 40°F (4°C) or below
  • 30 days at room temperature (70°F or 21°C) in sealed bags
  
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NOTICE:Product data and parameters cited in this publication have been obtained in J.D. Lincoln, Inc. laboratories using the materials under carefully controlled conditions. The information, therefore, is believed to be accurate and correctly stated. Data of this type may be considered to be indicative of representative properties obtainable. J.D. Lincoln, Inc. cannot accept responsibility for the misapplication of these products, nor for their use under uncontrolled conditions. Numerical values resulting from the application of this material are dependant on processing details. It is recommended that the user develop his or her own application techniques and generate data consistent with his or her specific application and process.

 
       
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