FabDigit

Alumide vs ABS-ESD and 2 more: properties

AlumideABS-ESDPC-ISOHigh Temp

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

3.8 GPa0.55 Msi
2.4 GPa0.35 Msi
2 GPa0.29 Msi
3.5 GPa0.51 Msi

Poisson's Ratio

0.38
0.37
0.37
0.38

Tensile Strength (Ultimate)

48 MPa7 ksi
36 MPa5.2 ksi
57 MPa8.3 ksi
50 MPa7.3 ksi

Elongation at Break

3.5%
3%
4.3%
2.8%

Compressive Strength

55 MPa8 ksi
50 MPa7.3 ksi
62 MPa9 ksi
110 MPa16 ksi

Flexural Strength

70 MPa10.2 ksi
61 MPa8.8 ksi
90 MPa13.1 ksi
100 MPa14.5 ksi

Flexural Modulus

3.6 GPa0.52 Msi
2.2 GPa0.32 Msi
2.1 GPa0.3 Msi
3.1 GPa0.45 Msi

Izod Impact, Notched

30 J/m0.56 ft·lbf/in
26 J/m0.49 ft·lbf/in
86 J/m1.6 ft·lbf/in
14 J/m0.26 ft·lbf/in

Hardness, Shore D

76 Shore D
76 Shore D
80 Shore D
88 Shore D

Hardness, Rockwell R

108 HRR
105 HRR
115 HRR

Yield Strength (0.2% offset)

34 MPa4.9 ksi
52 MPa7.5 ksi

Compressive Modulus

2 GPa0.29 Msi
2 GPa0.29 Msi

Shear Modulus

0.75 GPa0.11 Msi

Bulk Modulus

3 GPa0.48 Msi

Shear Strength

40 MPa5.8 ksi

Fracture Toughness (K_IC)

2 MPa·√m1.8 ksi·√in

Hardness, Rockwell M

70 HRM
95 HRM

Physical

Density and transition temperatures.

Density

1.36 g/cm³0.05 lb/in³
1.04 g/cm³0.04 lb/in³
1.2 g/cm³0.04 lb/in³
1.19 g/cm³0.04 lb/in³

Melting Temperature (Tm)

176°C349 °F

Glass Transition (Tg)

48°C118 °F
108°C226 °F
161°C322 °F
130°C266 °F

Water Absorption (24 h)

0.2%
0.3%
0.15%
0.6%

Water Absorption (Saturation)

0.9%
0.8%
0.35%

Refractive Index

1.586

Thermal

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

Thermal Conductivity

0.5 W/m·K0.29 BTU/hr·ft·°F
0.18 W/m·K0.1 BTU/hr·ft·°F
0.2 W/m·K0.12 BTU/hr·ft·°F
0.2 W/m·K0.12 BTU/hr·ft·°F

Specific Heat Capacity

1,400 J/kg·K0.33 BTU/lb·°F
1,400 J/kg·K0.33 BTU/lb·°F
1,200 J/kg·K0.29 BTU/lb·°F
1,400 J/kg·K0.33 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

80 µm/m·K44.4 µin/in·°F
85 µm/m·K47.2 µin/in·°F
68 µm/m·K37.8 µin/in·°F
75 µm/m·K41.7 µin/in·°F

Max Service Temperature (continuous)

100°C212 °F
80°C176 °F
118°C244 °F
150°C302 °F

Min Service Temperature

-40°C-40 °F
-20°C-4 °F
-40°C-40 °F
-20°C-4 °F

Heat Deflection Temp. @ 0.45 MPa

170°C338 °F
96°C205 °F
133°C271 °F
238°C460 °F

Heat Deflection Temp. @ 1.8 MPa

115°C239 °F
82°C180 °F
127°C261 °F
130°C266 °F

Vicat Softening Point (B50)

168°C334 °F
100°C212 °F
150°C302 °F

Max Service Temperature (short-term)

140°C284 °F
95°C203 °F
140°C284 °F
230°C446 °F

Limiting Oxygen Index

19%
26%

Electrical

Conductivity and insulation.

Electrical Resistivity

1×10¹¹ Ω·m3.94×10¹⁸ µΩ·in
100,000 Ω·m3.94×10¹² µΩ·in
1×10¹³ Ω·m3.94×10²⁰ µΩ·in
1×10¹² Ω·m3.94×10¹⁹ µΩ·in

Volume Resistivity

1×10¹³ Ω·cm
1×10⁷ Ω·cm
1×10¹⁵ Ω·cm
1×10¹⁴ Ω·cm

Surface Resistivity

1×10⁷ Ω
1×10¹⁵ Ω

Dielectric Strength

17 kV/mm432 V/mil

Dielectric Constant (1 MHz)

2.9
3.4

Dissipation Factor (1 MHz)

0.01

Comparative Tracking Index (CTI)

250 V

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

72 / 100
78 / 100
70 / 100

UV / Weathering Resistance

45 / 100
45 / 100
30 / 100
35 / 100

Manufacturability

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

Machinability

60 / 100
65 / 100
62 / 100
55 / 100

Weldability

15 / 100
60 / 100
55 / 100

Formability (cold)

10 / 100
25 / 100

Polishability

70 / 100
40 / 100
50 / 100
65 / 100

Mold Shrinkage

0.6%

Melt Flow Rate

4 g/10 min

Processing Melt Temperature (typ.)

245°C473 °F
350°C662 °F

Mold Temperature (typ.)

90°C194 °F
145°C293 °F

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

150 MJ/kg64,488 BTU/lb
95 MJ/kg40,843 BTU/lb
105 MJ/kg45,142 BTU/lb
110 MJ/kg47,292 BTU/lb

Embodied Carbon (primary production)

8 kg CO₂/kg
3.8 kg CO₂/kg
6.8 kg CO₂/kg
5.5 kg CO₂/kg

Embodied Water

220 L/kg26.4 gal/lb
220 L/kg26.4 gal/lb

Same in both: Typical Recycled Content 0%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

35 kN·m/kg
35 kN·m/kg
48 kN·m/kg
42 kN·m/kg

Specific Stiffness (E / density)

2.8 MN·m/kg
2.3 MN·m/kg
1.7 MN·m/kg
2.9 MN·m/kg

Thermal Diffusivity

0.3 mm²/s
0.1 mm²/s
0.1 mm²/s
0.1 mm²/s

Same in both: 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 scaleStratasys ABS-ESD7Stratasys PC-ISOFormlabs High TempAlumide

Manufacturing and finishing

CapabilityAlumideABS-ESDPC-ISOHigh Temp
Injection moldingYes
Default conditionStandardStandard
Relative cost$$ Standard$$$ Premium$$$$ High$$$ Premium
Min. machined wall
Best machined surface
Chrome Plating (Plastic)Yes
Spray PaintingYes

Both are offered for 3D printing. They share 10 finishes: Conductive Coating, Dyeing (Nylon), EMI Shielding Coating, Painting, Primer Coating, Soft Touch Coating, Tinted Coating, UV Coating, Vacuum Metallization, Waterproof Coating.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Alumide and ABS-ESD 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.