Category | Other Engineering Material , Composite Fibers , Polymer , Thermoset , Aramid |
Manufacturer | DuPont |
Trade Name | Kevlar® |
Port | Ningbo port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | DuPont™ Kevlar® 49 Aramid Fiber.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.44 g/cc | 0.0520 lb/in³ | |
Water Absorption | 3.5 % | 3.5 % | As shipped; Typical moisture levels on yarn as shipped; they reflect values reached at normal, moderate temperature and humidity levels following fiber production, which is a wet process. |
Moisture Absorption at Equilibrium | 3.5 % | 3.5 % | Equilibrium from Bone-Dry Yarn; Equilibrium values are determined by bone drying the fiber and condition at 75°F (24°C), 55% RH. |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Tensile Strength, Ultimate | 3000 MPa | 435000 psi | Breaking Tenacity |
3620 MPa | 525000 psi | Epoxy-impregnated strands, ASTM D2343 | |
Elongation at Break | 2.4 % | 2.4 % | |
Tensile Modulus | 112 GPa | 16300 ksi | |
Tenacity | 2.08 N/tex | 23.6 g/denier | |
Poissons Ratio | 0.36 | 0.36 |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
Specific Heat Capacity | 1.42 J/g-°C @Temperature 25.0 °C |
0.339 BTU/lb-°F @Temperature 77.0 °F |
|
Thermal Conductivity | 0.0400 W/m-K | 0.278 BTU-in/hr-ft²-°F | |
Maximum Service Temperature, Air | 149 - 177 °C | 300 - 351 °F | For long-term use |
Shrinkage | <= 0.100 % | <= 0.100 % | In water at 212°F (100°C) and in air at 351°F (177°C) |