Nomex®  & Kevlar® Technical Information

Filament Nomex®
Size Approximate yards/pound Minimum Tensile Strength
B 9,000 3.4 lbs.
E 6,000 5.2
F 4,500 6.9
FF 3,000 10.2
3 Cord 2,000 15.4
4 Cord 1,500 20.5
5 Cord 1,200 25.6
6 Cord 1,000 30.7
7 Cord 850 35.8

Filament Kevlar®
Size Approximate yards/Pound Minimum Tensile Strength
A 20,000 8.0 lbs.
B 10,000 16
E 6,700 25
F 5,000 35
FF 3,350 50
3 Cord 2,100 80
5 Cord 1,050 150
6 Cord 900 175
8 Cord 550 225
Spun Kevlar®
T-35 12,000 6.0 lbs.
T-50 8,000 8.5
T-70 6,000 12
T-90 4,750 16
T-105 4,000 19
T-135 3,500 22
John Howard Company, Inc.
4510 Schaefer Ave. Chino, California 91710 Order Desk 888-564-6469 Fax 909-590-1346
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