L-556FR
Heat Resistant Epoxy Prepreg, Flame Retardant
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Product Data Sheet Revised 12/22/06
Description

L-556FR is a heat resistant modified epoxy prepreg with flame retardant additives. This product may be used for many structural or general purpose applications.

Advantages of L-556FR
  • With outstanding heat resistance, L-556FR may be used by the designer to solve material selection problems associated with adverse environmental conditions.
  • L-556FR may be cured over a wide range of temperatures and pressures to create a tough durable structure.
  • The handling characteristics of L-556FR make this material a user-friendly prepreg in the most demanding shop environments.
  Physical Properties on 7781 Glass Fabric
  • Standard Weight: 0.100 lbs/ft2 (488 g/m2)
  • Standard Resin Content: 38% by weight
  • Volatile Content: Less than 1.5% by weight
  • Standard Tack: Medium
  • Cured Ply Thickness: 0.010” (0.254 mm)
  • Other Weights, Resin Contents, and Fabrics are Available.
 Availability
  • Standard roll size is, 50” wide x 60 yards long (127 cm x 55 m)
  • Many fabrics and styles are available in up to 60” width in rolls up to 100 yards long (152 cm x 91 m).
  Shelf Life
  • 12 months at 0°F (-18°C)
  • 6 months at 40°F (4°C)
  • 14 days at Room Temperature (70°F or 21°C)

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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