L-556
Solution Coated Epoxy Prepreg, Heat Resistant
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Product Data Sheet Revised 12/22/06
Description

L-556 is a heat resistant modified epoxy prepreg. It is a versatile product that the designer may use for structural or general purpose applications.

Advantages of L-556
  • L-556 was designed for end users that require a structural prepreg, but have temperature requirements above most performance envelopes of the classical laminating epoxy prepregs.
  • L-556 is especially suited for long term exposure to temperatures as high as 350°F (177°C).
  • Low temperature cures allow the production of high temperature parts on low cost tools.
  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
  • 38”, 50”, or 60” wide and 60 yards long (97 cm, 127 cm, 152 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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