L-302 Rev B
Enhanced Peel Strength
Modified Epoxy Film Adhesive
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Product Data Sheet Revised 3/17/09
Description
L-302 Rev B is a 250°F (121°C) curing modified epoxy film adhesive suitable for a wide variety of metal to metal or metal to core bonding applications. L-302 Rev B provides enhanced peel performance when compared to standard L-302.
L-302 Rev B can be cured over a wide range of processing cycles and is very suitable to rapid ‘in-hot, out-hot’ cure cycles.
Advantages of L-302 Rev B
  • Cure cycles as low as 235°F (113°C), varying heat-up rates, vacuum or positive pressure may be used without a significant reduction in bond joint strength.
  • L-302 Rev B demonstrates higher peel strength when compared to regular L-302.
  • Low volatile content makes L-302 Rev B ideally suited for large area sandwich or metal to metal sections.
  • L-302 Rev B exhibits excellent environmental resistance to salt spray, high-humidity, and standard test fluids.
  Physical Properties
  • Standard Weight: 0.060 lbs/ft2 (292 g/m2)
  • Optional Weights: 0.030 lbs/ft2, 0.045 lbs/ft2, 0.075 lbs/ft2, 0.090 lbs/ft2
  • Standard Thickness: 0.012” (0.30 mm)
  • Volatile Content: Less than 0.5%
  • Tack: Slightly Tacky
  Availability
  • 48” Wide Rolls x 100 Yards Long (122 cm x 91 m)
  Shelf Life
  • 6 months at 40°F (-4°C)
  • 7 days at Room Temperature (70°F or 21°C)
  Cure Cycles
  • 40 minutes at 275°F (135°C), or
  • 60 minutes at 250°F (121°C), or
  • 90 minutes at 235°F (113°C).
 Applicable Documents
  • MMM-A-132
  • MIL-A-25463
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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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