L-725
Impact Resistant Aramid Prepreg
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Cure Cycles
  • 60 minutes at 275°F (135°C), or
  • 120 minutes at 260°F (127°C).
Flammability
  • Self Extinguishing per FAR part 25.853
Sandwich Properties*
Core: ¼” cell x 0.004” (6.35 mm cell x 0.10 mm) Aluminum Foil
Adhesive: 1 ply L-310 each side
Facings: 2 plies L-725-281 each side
  • RT Flatwise Tensile Strength: 890 PSI (6.1 MPa)
  • RT Sandwich Peel Strength: 9 in lb/in (40 N/25 mm)
  • *Sandwich peel strength varies with the orientation of the fibers directly against the core and the test direction.
  • Fibers laid up parallel with the test direction produce minimum strengths.
  • Fibers laid up perpendicular to the test direction produce maximum strengths.
  • L-725-281 sandwich peel strength ranges from 7-13 in lb/in (31-58 N/25 mm).
 
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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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