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 GENERAL DESCRIPTION
Nylon is one of the most widely used plastics in the world, especially as a bearing wear material. Nylons are frequently used as replacements for bronze, brass, aluminum, steel and other metals, as well as other plastics, wood, and rubber.
Nylons offer extremely good wear resistance, coupled with high tensile strength and modulus of elasticity. They also have high impact resistance, a high heat distortion temperature, and resist wear, abrasion, and vibration. In addition, nylons can withstand sustained contact with a wide variety of chemicals, alkalis, dilute acids or oxidizing agents.
Another important factor, both economically and mechanically, is the relative light weight of nylon -- approximately 1/8 the weight of bronze, 1/7 the weight of cast iron, and 1/2 the weight of aluminum -- which reduces both the inertial and static loads and eases the handling of large components during maintenance or replacement procedures. |
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| TYPICAL PROPERTIES OF NYLON |
| PHYSICAL |
| ASTM or UL test |
Property |
Nylon 6/6 |
| D792 |
Density (lb/in3)
(g/cm3) |
0.0423
1.153 |
| D570 |
Water Absorption, 24 hrs (%)
Saturation (%) |
0.3
7.0 |
| MECHANICAL |
| D638 |
Tensile Strength (psi) |
11,500 |
| D638 |
Tensile Modulus (psi) |
425,000 |
| D638 |
Tensile Elongation at Break (%) |
50 |
| D790 |
Flexural Strength (psi) |
15,000 |
| D790 |
Flexural Modulus (psi) |
450,000 |
| D695 |
Compressive Strength (psi) |
12,500 |
| D695 |
Compressive Modulus (psi) |
420,000 |
| D785 |
Hardness, Rockwell |
M85-R115 |
| D256 |
IZOD Notched Impact (ft-lb/in) |
0.6 |
| THERMAL |
| D696 |
Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F) |
5.5 |
| D648 |
Heat Deflection Temp (°F/°C) at 264 psi |
200/93 |
| D3418 |
Melting Temp (°F/°C) |
500/260 |
| - |
Max Operating Temp (°F/°C) |
210/99 |
| C177 |
Thermal Conductivity
(BTU-in/ft2-hr-°F)
(x 10-4 cal/cm-sec-°C) |
1.73
5.93 |
| UL94 |
Flammability Rating |
V-2 |
| ELECTRICAL |
| D149 |
Dielectric Strength (V/mil) short time, 1/8” thick |
400 |
| D150 |
Dielectric Constant at 60 Hz |
3.6 |
| D150 |
Dissipation Factor at 60 Hz |
0.02 |
| D257 |
Volume Resistivity (ohm-cm) at 73°F, 50% RH |
> 1013 |
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Note: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control.
All values a 73°F (23°C) unless otherwise noted.
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