Polyamide 6 - Nylon 6 - PA 6 High Impact

May 12 2001

Polyamide 6 (PA 6) is a semicrystalline polyamide initially developed in order to emulate the properties of Nylon 6/6 without the violation of its patent. It is formed via ring-opening polymerization, which is unusual for a polyamide as they are typically formed via condensation polymerization. Modifications to PA 6 can be made to increase it's impact toughness.

Polymer Type

Thermoplastic

Advantages

When compared to unmodified PA 6, high impact PA 6 has a number of advantages:

  • Better-notched izod impact toughness

  • Superior elongation at break

Disadvantages

It also has some disadvantages:

  • Reduced tensile strength

  • Lower flexural modulus

Typical Properties

Property

Value

Density (g/cm3)

1.13

Surface Hardness

SD65

Tensile Strength (MPa)

30

Flexural Modulus (GPa)

0.5

Notched Izod (kJ/m)

0.3

Linear Expansion  (/°C x 10-5)

9

Elongation at Break (%)

200

Strain at Yield (%)

4.5

Max. Operating Temp. (°C)

80

Water Absorption (%)

1.4

Oxygen Index (%)

22

Flammability UL94

HB

Volume Resistivity (log ohm.cm)

15

Dielectric Strength (MV/m)

20

Dissipation Factor 1kHz

0.2

Dielectric Constant  1kHz

8

HDT @ 0.45 MPa (°C)

150

HDT @ 1.80 MPa (°C)

50

Material. Drying  hrs @ (°C)

3 @ 95

Melting Temp. Range (°C)

230 - 300

Mould Shrinkage (%)

1.3

Mould Temp. Range (°C)

40 -  60

Applications

  • Automotive components

  • Sports equipment

  • Power tool housings

  • Gears.

Source : Abstracted from Plascams

For more information on Plascams please visit RAPRA Technology Ltd.

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