FabDigit

PA46 vs PA6 and 2 more: properties

PA46PA6PA66PA11

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

3.3 GPa0.48 Msi
3 GPa0.44 Msi
3 GPa0.44 Msi
1.6 GPa0.23 Msi

Shear Modulus

1.2 GPa0.17 Msi
1.1 GPa0.15 Msi
1.1 GPa0.16 Msi
0.55 GPa0.08 Msi

Poisson's Ratio

0.4
0.39
0.39
0.4

Tensile Strength (Ultimate)

100 MPa14.5 ksi
80 MPa11.6 ksi
82 MPa11.9 ksi
48 MPa7 ksi

Yield Strength (0.2% offset)

95 MPa13.8 ksi
75 MPa10.9 ksi
80 MPa11.6 ksi
40 MPa5.8 ksi

Elongation at Break

40%
60%
40%
45%

Compressive Strength

95 MPa13.8 ksi
85 MPa12.3 ksi
95 MPa13.8 ksi
50 MPa7.3 ksi

Flexural Strength

130 MPa18.9 ksi
105 MPa15.2 ksi
105 MPa15.2 ksi
47 MPa6.8 ksi

Flexural Modulus

3.1 GPa0.45 Msi
2.8 GPa0.41 Msi
2.9 GPa0.42 Msi
1.4 GPa0.2 Msi

Izod Impact, Notched

55 J/m1 ft·lbf/in
55 J/m1 ft·lbf/in
50 J/m0.94 ft·lbf/in
55 J/m1 ft·lbf/in

Hardness, Shore D

83 Shore D
81 Shore D
81 Shore D
75 Shore D

Hardness, Rockwell M

88 HRM
82 HRM
85 HRM

Hardness, Rockwell R

120 HRR
119 HRR
120 HRR
105 HRR

Bulk Modulus

5 GPa0.65 Msi
5 GPa0.65 Msi

Compressive Modulus

2.6 GPa0.38 Msi
2.8 GPa0.41 Msi

Shear Strength

62 MPa9 ksi
60 MPa8.7 ksi

Fracture Toughness (K_IC)

3.5 MPa·√m3.2 ksi·√in
3 MPa·√m2.7 ksi·√in
3.5 MPa·√m3.2 ksi·√in

Physical

Density and transition temperatures.

Density

1.18 g/cm³0.04 lb/in³
1.14 g/cm³0.04 lb/in³
1.14 g/cm³0.04 lb/in³
1.03 g/cm³0.04 lb/in³

Melting Temperature (Tm)

295°C563 °F
220°C428 °F
262°C504 °F
188°C370 °F

Glass Transition (Tg)

78°C172 °F
58°C136 °F
70°C158 °F
46°C115 °F

Water Absorption (24 h)

2%
1.7%
1.3%
0.3%

Water Absorption (Saturation)

12.5%
9%
8.5%
1.9%

Refractive Index

1.53
1.53

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

0.3 W/m·K0.17 BTU/hr·ft·°F
0.25 W/m·K0.14 BTU/hr·ft·°F
0.25 W/m·K0.14 BTU/hr·ft·°F
0.25 W/m·K0.14 BTU/hr·ft·°F

Specific Heat Capacity

1,700 J/kg·K0.41 BTU/lb·°F
1,700 J/kg·K0.41 BTU/lb·°F
1,670 J/kg·K0.4 BTU/lb·°F
1,800 J/kg·K0.43 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

85 µm/m·K47.2 µin/in·°F
90 µm/m·K50 µin/in·°F
85 µm/m·K47.2 µin/in·°F
120 µm/m·K66.7 µin/in·°F

Max Service Temperature (continuous)

150°C302 °F
90°C194 °F
100°C212 °F
85°C185 °F

Min Service Temperature

-40°C-40 °F
-30°C-22 °F
-40°C-40 °F
-40°C-40 °F

Heat Deflection Temp. @ 0.45 MPa

275°C527 °F
170°C338 °F
220°C428 °F
180°C356 °F

Heat Deflection Temp. @ 1.8 MPa

160°C320 °F
65°C149 °F
80°C176 °F
50°C122 °F

Vicat Softening Point (B50)

290°C554 °F
190°C374 °F
200°C392 °F
160°C320 °F

Limiting Oxygen Index

25%
24%
25%
25%

Max Service Temperature (short-term)

230°C446 °F
150°C302 °F
170°C338 °F
130°C266 °F

Electrical

Conductivity and insulation.

Dielectric Strength

28 kV/mm711 V/mil
25 kV/mm635 V/mil
22 kV/mm559 V/mil
23 kV/mm584 V/mil

Dielectric Constant (1 MHz)

3.6
3.7
3.4
3.2

Dissipation Factor (1 MHz)

0.02
0.025
0.02
0.04

Surface Resistivity

1×10¹⁴ Ω
1×10¹³ Ω
1×10¹³ Ω
1×10¹³ Ω

Comparative Tracking Index (CTI)

600 V
600 V
600 V

Same in both: Electrical Resistivity 1×10¹² Ω·m3.94×10¹⁹ µΩ·in · Volume Resistivity 1×10¹⁴ Ω·cm

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

70 / 100
70 / 100
60 / 100
85 / 100

UV / Weathering Resistance

35 / 100
30 / 100
30 / 100
55 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

65 / 100
68 / 100
65 / 100
65 / 100

Weldability

70 / 100
62 / 100
70 / 100
70 / 100

Formability (cold)

40 / 100
60 / 100
50 / 100

Polishability

60 / 100
55 / 100
60 / 100
55 / 100

Mold Shrinkage

1.7%
1.2%
1.5%
1.2%

Processing Melt Temperature (typ.)

315°C599 °F
260°C500 °F
290°C554 °F
235°C455 °F

Mold Temperature (typ.)

100°C212 °F
80°C176 °F
80°C176 °F
60°C140 °F

Melt Flow Rate

15 g/10 min
30 g/10 min

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

130 MJ/kg55,890 BTU/lb
125 MJ/kg53,740 BTU/lb
120 MJ/kg51,591 BTU/lb
75 MJ/kg32,244 BTU/lb

Embodied Carbon (primary production)

7.5 kg CO₂/kg
7.6 kg CO₂/kg
6.7 kg CO₂/kg
5 kg CO₂/kg

Embodied Water

350 L/kg41.9 gal/lb
400 L/kg47.9 gal/lb
300 L/kg35.9 gal/lb

Typical Recycled Content

0%
5%
5%
40%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

85 kN·m/kg
70 kN·m/kg
72 kN·m/kg
47 kN·m/kg

Specific Stiffness (E / density)

2.8 MN·m/kg
2.6 MN·m/kg
2.6 MN·m/kg
1.6 MN·m/kg

Modulus of Resilience

1,367 kJ/m³
938 kJ/m³
1,067 kJ/m³
500 kJ/m³

Same in both: Thermal Diffusivity 0.1 mm²/s · Thermal Shock Resistance Index 0

Strength versus weight

Yield strength against density for every polymer grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

0.1110100123Density (g/cm³)Yield strength (MPa) — log scalePA11PA6PA66PA46

Manufacturing and finishing

CapabilityPA46PA6PA66PA11
CNC machiningYesYes
Sheet metalYesYes
Injection moldingYesYes
3D printingYes
Default conditionUnfilledUnfilledUnfilled
Relative cost$$$$ High$ Budget$$ Standard$$$ Premium
Min. machined wall0.5 mm0.5 mm
Best machined surfaceRa 0.8 µmRa 0.8 µm
Chrome Plating (Plastic)YesYes
Conductive CoatingYes
Dyeing (Nylon)Yes
EMI Shielding CoatingYesYesYes
PaintingYesYesYes
Primer CoatingYes
Soft Touch CoatingYesYesYes
Spray PaintingYesYes
Tinted CoatingYes
UV CoatingYesYesYes
Vacuum MetallizationYes
Waterproof CoatingYes

Ready to make it?

Upload a CAD file and FabDigit prices the part in PA46 and PA6 side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.