L-303SF
Epoxy Surfacing Film
Click For
Page 2
Product Data Sheet Revised 12/20/06
Description
L-303SF is an epoxy-based surfacing film designed to be co-cured with epoxy prepregs to improve the surface of composite parts. L-303SF is formulated to adapt to most epoxy systems and can be applied to the surface of fiberglass, carbon, or aramid fabrics, woven or unidirectional. L-303SF is appropriate for finishing surfaces on honeycomb sandwich structures as well as on laminated or layered parts.
Advantages of L-303SF
  • The high strength and high toughness of L-303SF allows the designer to use this material in high abuse areas such as aircraft interiors, cargo systems, marine structural bulkheads, etc.
  • After cure, L-303SF is paint-ready and sandable (if necessary for finish).
  • L-303SF is formulated to meet the FAR’s stringent 12” and 60” vertical flammability standards for aircraft.
  • Features such as weight and supporting carrier can be modified to meet specific customer needs so that the best possible part is made.
  Physical Properties
  • Standard Weight: 0.035 lbs/ft2 (171 g/m2)
  • Optional Weights: 0.030 lbs/ft2, 0.045 lbs/ft2, 0.060 lbs/ft2(other weights available)
  • Standard Thickness: 0.007” (0.178 mm)
  • Volatile Content: Less than 0.5%
  • Tack: Medium
  • Appearance: Off-white film with support scrim
  Lightning Strike and Support Scrims
  • L-303SF is available pre-consolidated with a variety of scrims and lightening mesh materials
  Availability
  • 38", 50", or 60" Wide Rolls x 60 Yards Long (96, 127, or 152 cm x 55 m)
  Shelf Life
  • 6 months at 40°F (4°C)
  • 5 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).
Click for Page 2

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.

 
       
Website Copyright 1996-2008 by J.D. Lincoln Inc.
A Member of the Umeco Plc Group.