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L-730

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Woven Aramid Adhesive Prepreg

851 W. 18 StreetCosta Mesa, CA92627(949) 650-8106 Fax:(949) 631-6190www.jdlincoln.com

Product Data Sheet

Revised: 12/20/06

Description

L-730 is a 250°F(135°C)curing, highpeelstrength, flame retardant, epoxy prepreg available on aramidfabricssuchas 281 style or other styles as requested. L-730 is intended to be used as a single ply or multiple ply skin for aramid/phenolic honeycomb or PVC foam core sandwich panels.

Advantages of L-730

No adhesiveis requiredbecause of the high peel strength and high toughness of theL-730resinmatrix. L-730 can be bonded directly to a variety of core materials. Easy processing is another major advantage. L-730 can be curedwith vacuumbag, press, or autoclave type cures from90 minutesat 235°F (110°C)or in just40 minutesat 275°F (135°C)withcontact pressure. 235°F (110°C) cure temperatures are recommended for urethane or PVC core. L-730 is an excellent laminating prepreg when high impactstrength and high toughness are required.

Physical Properties on 281 StyleAramid Fabric

Standard Weight:0.070 lbs/ft² (342 g/m
2 ) Standard Resin Content:50-55% by weight Volatile Content:Less than 2.0% StandardTack: Medium Cured Ply Thickness:0.010” (0.254 mm) OtherWeights, Resin Contents, and Fabrics are Available.

Flammability

Self Extinguishing per FAR part 25.853

Availability

Up to 60” width in rolls up to 60 yards long (152 cm x 55 m)

Shelf Life

6 months at 40°F (4°C) or below 14 days at Room Temperature (70°F or 21°C)

Cure Cycle

60 minutes at 250-275°F (121-135°C) L-730