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> Fiberglass Supplies > Remove category: Kevlar

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  • Plain weave kevlar cloth

    Kevlar Cloth - Plain Weave

    Plain weave 5 oz Kevlar cloth is a high tensile strength and high modulus composite fabric, great...

    In Stock 

    Price: $31.46 to $33.42
  • Twill weave kevlar cloth drapes around corners and wets out easier than plain weave kevlar cloth

    Kevlar Cloth - Twill Weave

    Twill weave kevlar cloth drapes around corners easier than regular kevlar cloth, and twill weave...

    In Stock 

    Price: $44.89
  • Kevlar Tape 1 inch wide

    Kevlar Tape 1 inch wide

    One inch wide grade 49 Kevlar tape. Kevlar is a structural aramid cloth used for marine, sporting...

    In Stock 

    Price: $15.47 to $68.04
  • Kevlar Tape 4 inches wide

    Kevlar Tape 4 inches wide

    Four inch wide grade 49 Kevlar tape. Kevlar 49 is a structural aramid cloth used for marine,...

    In Stock 

    Price: $42.02 to $181.50
  • Kevlar Tape 2 inches wide

    Kevlar Tape 2 inches wide

    Kevlar grade 49 is a structural aramid cloth used for marine, sporting goods and aerospace...

    In Stock 

    Price: $29.74 to $114.61
  • Kevlar Tape 6 inches wide

    Kevlar Tape 6 inches wide

    Kevlar grade 49 is a structural aramid cloth used for marine, sporting goods and aerospace...

    In Stock 

    Price: $58.21 to $226.38
  • Kevlar Tape 3 inches wide

    Kevlar Tape 3 inches wide

    Kevlar grade 49 is a structural aramid cloth used for marine, sporting goods and aerospace...

    In Stock 

    Price: $30.88 to $143.75
Items: 1 - 7 of 7 | Pages: 1 
 

Kevlar

This high tensile strength and high modulus composite fabric is great for canoes, kayaks, and racing shells where maximum strength and minimal weight are critical. Impact tear and penetration resistance is far superior to fiberglass.

Note: We offer Kevlar #49 which is not suitable for bulletproof materials (Style #29 is used for ballistics).

Kevlar was developed in the early 1960's by Dupont by spinning poly-paraphenylene terephthalamide synthetic fibers. Assuming the same weight, Kevlar is literally five times stronger than steel. Kevlar fibers also have 43 percent less density than fiberglass. Originally developed to replace steel tire belts, it is an aramid with high strength and notable heat resistance. para-aramid fiber has tremendous strength, and is heat and cut resistant. Para-aramid fibers do not rust or corrode, and their strength is unaffected by immersion in water. When woven together, para-aramid fibers are known as Kevlar. Kevlar also makes a good choice for mooring lines and other underwater objects. Kevlar's biggest weakness is its lack of compressive strength.

Why is Kevlar so useful for composites? A few reasons:

  • Thermal properties
  • Highly flame resistant
  • Can handle temperatures to 320 degrees F for extended periods with ease
  • Significantly lighter than even E-glass
  • Will not melt (at 800 degress F it begins to decompose)
  • Kevlar can provide your project with considerable weight reduction when chosen over other composite or laminate materials. It weighs roughly half as much as fiberglass.
  • Kevlar helps dampen vibration
  • Kevlar's slightly negative axial coefficient of thermal expansion helps make laminates thermally stable
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