MakeItFrom.com
Menu (ESC)

Dry Unfilled PA 6

Dry unfilled PA 6 is a grade of PA 6. It has the highest ductility compared to the other variants of PA 6. The graph bars on the material properties cards below compare dry unfilled PA 6 to: polyamide plastics (top), all thermoplastics (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Compressive (Crushing) Strength

55 MPa 8.0 x 103 psi

Elastic (Young's, Tensile) Modulus

2.7 GPa 0.39 x 106 psi

Elongation at Break

67 %

Flexural Modulus

3.1 GPa 0.45 x 106 psi

Flexural Strength

100 MPa 15 x 103 psi

Impact Strength: Notched Izod

53 J/m 1.0 ft-lb/in

Rockwell R Hardness

120

Tensile Strength: Ultimate (UTS)

74 MPa 11 x 103 psi

Thermal Properties

Glass Transition Temperature

40 °C 100 °F

Heat Deflection Temperature At 1.82 MPa (264 psi)

78 °C 170 °F

Heat Deflection Temperature At 455 kPa (66 psi)

190 °C 370 °F

Maximum Temperature: Autoignition

430 °C 810 °F

Maximum Temperature: Decomposition

430 °C 800 °F

Maximum Temperature: Mechanical

90 °C 190 °F

Melting Onset (Solidus)

230 °C 450 °F

Specific Heat Capacity

1550 J/kg-K 0.37 BTU/lb-°F

Thermal Conductivity

0.25 W/m-K 0.14 BTU/h-ft-°F

Thermal Expansion

84 µm/m-K

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz

3.7

Dielectric Constant (Relative Permittivity) At 1 MHz

3.7

Dielectric Strength (Breakdown Potential)

18 kV/mm 0.7 V/mil

Electrical Dissipation At 1 Hz

0.020

Electrical Resistivity Order of Magnitude

13 10x Ω-m

Otherwise Unclassified Properties

Density

1.1 g/cm3 71 lb/ft3

Limiting Oxygen Index (LOI)

24 %

Water Absorption After 24 Hours

1.1 %

Water Absorption At Saturation

7.0 %

Common Calculations

Stiffness to Weight: Axial

1.3 points

Stiffness to Weight: Bending

41 points

Strength to Weight: Axial

18 points

Strength to Weight: Bending

35 points

Thermal Diffusivity

0.14 mm2/s

Thermal Shock Resistance

23 points

Followup Questions

Further Reading

SPI Plastics Engineering Handbook of the Society of the Plastics Industry, Inc., 5th ed., Michael L. Berins (editor), 2000

Modern Plastics Handbook, Charles A. Harper (editor), 1999

Plastics Materials, 7th ed., J. A. Brydson, 1999