Kevlar Fiber Yarn

Product Details




Versatile and strong, TENGLONG  kevlar fiber yarn possesses outstanding properties of high strength, high modulus, high temperature resistance and flame resistance. 

Kevlar fiber yarn has advantages of relative low density, fatigue resistance, tear and shear resistance, dimension stability. It has irreplaceable position in areas like personal protection, aerospace, electrical communication, and etc.


1.High strength  

2.High modulus   

3.Chemically inert  

4.Toughness and thermal stability 

Application Data:

Classification Description  unit KEVLAR® 29 KEVLAR® 49
Type denier 1500 1140
dtex 1670 1270
Moisture Levels

As Shipped % 7 3.5
Equilibrium from Bone-Dry Yarn % 4.5 3.5
Tensile Properties

Breaking Strength lb 76 59.3
(N) 338 264
Breaking Tenacity g/d 23 23.6
(cN/tex) 203 208
Tensile Modulus g/d 555 885
(cN/tex) 4900 7810
Elongation at Break % 3.6 2.4
Temperature Range for Long-Term Use in Air °F 300-350 300-350
(°C) (149-177) (149-177)
Heat of Combustion BTU/lb 15000 15000
(Joule/kg) (35 x 106) (35 x 106)


Property Value
English Metric
Density  0.052ib/ft3 1.44g/cm3
Model Number 6500Y, 840D/1000D/1500D
Fineness 1.5D/840D/1000D/1500D
Regain 4±2%(20°C×65%R.H.)

Application Areas:

1.Reinforcement materials

2.Personal protection

3.Composite materials

4.Friction sealing

5.Sports instruments and others






1. What is your MOQ?

MOQ may vary by customer's special requirement; we try our best to meet your business requirement.  

2. What's your payment terms?

We normally do T/T, and we can also offer western union account for transfer money. And more flexible payment terms, welcome to have a discuss.  

3. Can you provide samples?

Yes, we can offer samples, and some samples are free  

4. Can you delivery by express?

Yes, we can delivery by any express.  

5. When will the sample be ready?

Normally, the sample can be ready in 3 days.

Tenglong is one of the leading China Gland Packing Materials manufacturers and also a famous such supplier, welcome to wholesale cheap and good quality kevlar fiber yarn from our factory.


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