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Adhesive, Prepreg, Epoxy adhesive
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| L-502 Woven Adhesive Prepreg Product Data Sheet | ||||||||||||||||||||||||
| The Leader In Composite Material Technology 851 W. 18th Street Costa Mesa, CA 92627 (949) 650-8106 Fax:(949) 631-6190 www.jdlincoln.com Revised: 12/21/06 | ||||||||||||||||||||||||
| Description | ||||||||||||||||||||||||
| L-502 is a 250°F (121°C) curing, high peel strength, toughened, epoxy prepreg available on fiberglass fabrics such as 7781 style or other styles as requested. L-502 is intended to be used as a single ply or multiple ply skin for aramid/phenolic honeycomb, aluminum honeycomb or PVC foam core sandwich panels and especially suited for radomes. | ||||||||||||||||||||||||
| Advantages of L-502 | ||||||||||||||||||||||||
| ❖ No adhesive is required because of the high peel strength and high toughness of the L-502 resin matrix. L-502 can be bonded directly to a variety of core materials. ❖ Easy processing is another major advantage. L-502 can be cured with vacuum bag, press or autoclave type cures from 90 minutes at 235°F (113°C) or in just 40 minutes at 275°F (135°C) with contact pressure (235°F (113°C) cure temperatures are recommended for urethane or PVC core.). ❖ L-502 is also an excellent laminating prepreg when high impact strength and high toughness are required. ❖ Excellent transmission properties for electromagnetic applications (radomes). | ||||||||||||||||||||||||
| hysical Properties on 7781 Glass Fabric | ||||||||||||||||||||||||
| • Standard Weight: 0.105 lbs/ft2 (513 g/m2) • Standard Resin Content: 42% by weight • Standard Tack: Slightly tacky on one side • Cured Ply Thickness: 0.010" (0.254 mm) • Other Weights, Resin Contents, and Fabrics are Available. | ||||||||||||||||||||||||
| Availability | ||||||||||||||||||||||||
| Up to 60" width in rolls up to 100 yards long (152 cm x 91 m) | ||||||||||||||||||||||||
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| Shelf Life | ||||||||||||||||||||||||
| • 6 months at 40°F (4°C) or below • 7 days at Room Temperature (70°F or 21°C) | ||||||||||||||||||||||||