DuPont™ Kevlar® 49 Polyaramid Fiber (Polyparaphenylene terephthalamide)
Grade: DuPont™ Kevlar® 49
Formula: Polyparaphenylene terephthalamide
Length: 20m
Filament Diameter: 0.012mm
Number Of Filaments: 5000
Tex Number: 790
UOM Code: 950-169-22
Legacy Code: AR305779
Distributor Code: GF95016922
SKU: 1000029543
Product Code: AR30-FB-000179
Formula: Polyparaphenylene terephthalamide
Length: 20m
Filament Diameter: 0.012mm
Number Of Filaments: 5000
Tex Number: 790
UOM Code: 950-169-22
Legacy Code: AR305779
Distributor Code: GF95016922
SKU: 1000029543
Product Code: AR30-FB-000179
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Poor |
| Acids - dilute | Fair |
| Alcohols | Good |
| Alkalis | Good-Poor |
| Aromatic hydrocarbons | Good |
| Greases and Oils | Good |
| Halogenated Hydrocarbons | Good |
| Halogens | Good |
| Ketones | Good |
Physical Properties
| Element | Value |
|---|---|
| Resistance to Ultra-violet | Fair |
| Water absorption( % ) | 3.5 |
| Water absorption - equilibrium( % ) | 3.5 |
| Density( gcm⁻³ ) | 1.44 |
Thermal Properties
| Element | Value |
|---|---|
| Lower working temperature( C ) | -200 |
| Upper working temperature( C ) | 180-245 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1400 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.04@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | -2Along Axis |
Mechanical Properties
| Element | Value |
|---|---|
| Tensile modulus( GPa ) | 59-124 |
| Tensile strength( MPa ) | 2760 |