Polyamide 66 (PA66)

Alternative and trade names
Bergamid™, Radilon®, Ultramid®, Zytel®, TECACOMP®, Novamid®, Akulon®, UDea™, Orgalloy®
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It offers excellent performance especially in the retention of mechanical properties at elevated temperatures. It is the material with the greatest hardness, rigidity, abrasion resistance and thermostability. It is one of the preferred materials for parts subject to mechanical and thermal stresses in electrical, mechanical and automotive engineering.

This material data has been provided by M-Base.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

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1.13 - 1.15 g/cm³

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Elastic modulus

1.3 - 2.0 GPa

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150.0 - 300.0 %

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Impact strength, Charpy notched

5.0 - 30.0 kJ/m²

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Tensile strength

50.0 - 70.0 MPa

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at 15-30% strain

Impact strength, Charpy unnotched

no break



Coefficient of thermal expansion

6e-05 - 0.00015 1/K

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Melting point

255.0 - 260.0 °C

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Specific heat capacity

1700 J/(kg·K)

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Thermal conductivity

0.13 - 0.29 W/(m·K)

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UL 94 V2



Dielectric constant

3.2 [-]

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5.5 [-]

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Electrical resistivity

1000000000.0 - 100000000000000.0 Ω·m

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Technological properties

Application areas

Textile fibres, hosiery, swim wear, tennis strings, fishing lines


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Processing methods

Injection molding, extrusion, coating, casting