• Home
  • Products
  • Register
  • Search
  • Aircraft Spruce
  • About Us
  • Contact Us
Lasaero on FacebookLasaero on TwitterLasaero on Linkedin
Register Logged In Logout Logged Out Login 0Basket
LAS Aerospace Ltd Logo
LAS Aerospace Ltd
The Global Parts Supplier
01837 658081
sales@lasaero.com
We are Closed
  • Home
  • Products
  • Register
  • Search
  • Aircraft Spruce
  • About Us
  • Contact Us

Categories

  • Aircraft Tools
  • Airframe Parts
  • Books & Software
  • Electrical
  • Engine Spares & Accesories
  • Fabric & Covering
  • Fuel System Supplies
  • Ground Equipment
  • Hardware
  • Instruments
  • McFarlane Parts
  • Paints, Oils & Lubricants
  • Raw Materials
  • Stewart Systems Products
  • Undercarriage Spares
Stock Availability

Click on a price to add the product to your basket. Prices in GREEN are in stock, prices in RED are out of stock but may still be ordered.

Click a part number for more detailed stock availability.

32nd Edition Catalogue
Now Available!
Lasaero 31st Edition Catalogue
  1. Products
  2. Raw Materials
  3. Specialty Fabrics
  4. Bidirectional Woven Kevlar

Bidirectional Woven Kevlar

**Note: These products are sold by the yard**

"Kevlar" 49 aramid fibre was introduced commercially in 1972 and is the Du Pont registered trademark for its new high strength, high modulus organic fibre. It combines high tensile strength (43,000 PSI) and high modulus (19 million PSI) with light weight and toughness superior to other reinforcing fibres for plastics. It is available in yarns and rovings which meet all FAA requirements for flammability. It shows no degradation in jet fuel, lubricating oils, water, salt water or high humidity. At cryogenic temperatures (-320°F.) performance is excellent with essentially no embrittlement or degradation of fibre properties. Kevlar 49 can offer both a significant weight saving and improved stiffness versus glass in addition to superior vibration damping and good impact resistance. A kayak made with Kevlar 49, for example, weighs about 18 pounds while the weight of a comparable boat made with glass would be over 30 pounds. The advantages over glass in small aircraft are similar - weight savings and improved impact resistance. Kevlar 49 is used in a number of parts on the Lockheed L-1011 because of weight savings of up to 30% compared to similar parts made of glass. One unusual benefit of Kevlar is its "quietness". A cowling made of Kevlar will be quieter and less sensitive to engine vibrations than its glass or graphite counterpart. 

Although all of the processes used in combining resins with glass fibre are adaptable to Kevlar 49 with little or no modification, it has been found that the vinyl ester type system is most compatible. The use of polyesters is not recommended because of poor bonding with Kevlar. The modified epoxy resin system featured in this catalogue is compatible with Kevlar 49 and has good wetting characteristics. 

Kevlar 49 is stocked in three different fabric styles. Kevlar #120 is a very lightweight fabric, while #281 and #285 are identical except for the weaving pattern. Other weights and weaves of Kevlar are available on a special order basis. Be sure to specify the Kevlar style when ordering.

Style W x F Weave Breaking Strength Lbs/Inch
      Warp Fill
120 34x34 Plain 260 250
281 17x17 Plain 625 650
285 17x17 Crow 630 650
BIDIRECTIONAL WOVEN KEVLAR
BIDIRECTIONAL WOVEN KEVLAR
Part Style Weight Oz./SqYd. Width (") Thickness (") Price  
01-38100 120 1.8 38" .0035" £28.68 0
281-38 281 5.0 38" .010" £27.57 0
285-38 285 5.0 38" .010" £27.22 0

Stocking, processing
and delivering aerospace parts

Hello and welcome to our website. Contained within these pages is most of the information found in our printed catalogue, all available to order online! In addition you can search our entire inventory of over 125,000 part numbers.

Stock and pricing of all parts listed on this site is live, all prices exclude VAT and shipping. All orders are subject to our standard terms and conditions.

terms and conditions >>

Quality products
and easy ordering

All our stock is available for next day delivery. In addition we have distributorships for Aircraft Tool Supply, LP Aero Plastics, Falcon Gauge, Ceconite / Randolph and Shield Technology to name but a few!

We are also the UK and European distributor for Aircraft Spruce and Speciality, with whom we have been doing business with for over 25 years.

Should you ever need any further information then our experienced sales team are just a phone call or email away and will happily answer any questions you may have.

Company

LAS Aerospace Ltd is registered in England No 2041506

VAT No GB 316 6191 09

Contacts

Address: Exeter Road Ind Est, Okehampton, Devon, EX20 1UA UK
Phone: +44 (0)1837 658081
Fax: +44 (0)1837 658080
Email: sales@lasaero.com
Hours: Mon - Thur 8am-5pm (excl Bank Holidays) & Fri 8am-4pm.

[Browse Part Numbers]