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The name Nylon refers to a family of plastics known as polyamides. The two main types of nylon are Nylon 6 and Nylon 6/6.

Nylon is crystalline material in nature which means that is molecular chains do not have large substitution groups. This crystalline nature allows for Nylon to be thermal resistant, wear resistant and chemical resistant.

The material is tough and strong as well as impact resistant. Nylon also has a very low coefficient of friction and is abrasive resistant.

Nylon has shown excellent resistance to bases, different oils and THF along with good resistance to liquids such as alcohols, solvents and formaldehyde. Nylon only has a limited resistance to dilute acids and a poor resistance to alkalis, acids, phenols and iodine.

Nylon is excellent for machining and is also quite easy to process. It is normally used for applications such as gears, bearings, thread guides and rollers, tire cord, rope, belts, filter cloths and sports equipment.


Mechanical Properties of Nylon 6

Density (g/cm³)
Melt Mass Flow Rate (g/10 min)
Flexural Modulus (psi)
Tensile Strength (psi)
Tensile Elongation (%)
Rockwell Hardness
1.09 to 1.62
4.0 to 20
384000 to 439000
5340 to 14200
0.40 to 25
110 to 123


Notched Izod Impact (ft·lb/in)
DTUL @ 66 psi (0.45 MPa) (°F)
DTUL @ 264 psi (1.8 MPa) (°F)
CLTE, Flow (in/in/°F)
0.62 to 1.7
293 to 435
118 to 425
1.7E-6 to 1.6


Thermal Properties of Nylon 6

Melting temperature (°C)
Thermal conductivity at 23 °C
Temperature of deflection under load:

– method A: 1.8 MPa

220 0.28 W/(K·m) 70 °C