Polyamide 9T (PA9T)

Alternative and trade names
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It is a specially designed long-chain polyphthalamide (PPA) that combines a low water absorption and excellent mechanical properties over a broad temperature range. Depending on the grade the key features are: Mechanical properties at high temperature, low water absorption, outstanding fuel barrier, heat resistance, a low friction coefficient, Low wear, chemical resistance, long term heat resistance, high reflectivity, less color change by heat and light, high flowability

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.

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1.06 - 1.17 g/cm³

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Elastic modulus

1.4 - 2.7 GPa

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5.0 - 40.0 %

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Impact strength, Charpy notched

5 kJ/m²

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no break

Tensile strength

50.0 - 85.0 MPa

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at 4-7% strain

Impact strength, Charpy unnotched

no break



Coefficient of thermal expansion

5.5e-05 - 7e-05 1/K

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Melting point

265.0 - 300.0 °C

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Specific heat capacity

1400.0 - 1500.0 J/(kg·K)

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Thermal conductivity

0.24 - 0.25 W/(m·K)

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Technological properties

Application areas

Gears, wheels, retainers for quick connectors, flexible bands, tube applications

Processing methods

Injection molding, extrusion, blow molding