FabDigit

PC-ISO vs ABS-ESD and 2 more: properties

PC-ISOABS-ESDHigh TempAlumide

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

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

Shear Modulus

0.75 GPa0.11 Msi

Bulk Modulus

3 GPa0.48 Msi

Poisson's Ratio

0.37
0.37
0.38
0.38

Tensile Strength (Ultimate)

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

Yield Strength (0.2% offset)

52 MPa7.5 ksi
34 MPa4.9 ksi

Elongation at Break

4.3%
3%
2.8%
3.5%

Compressive Strength

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

Compressive Modulus

2 GPa0.29 Msi
2 GPa0.29 Msi

Flexural Strength

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

Flexural Modulus

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

Shear Strength

40 MPa5.8 ksi

Fracture Toughness (K_IC)

2 MPa·√m1.8 ksi·√in

Izod Impact, Notched

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

Hardness, Shore D

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

Hardness, Rockwell M

70 HRM
95 HRM

Hardness, Rockwell R

115 HRR
105 HRR
108 HRR

Physical

Density and transition temperatures.

Density

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

Glass Transition (Tg)

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

Water Absorption (24 h)

0.15%
0.3%
0.6%
0.2%

Water Absorption (Saturation)

0.35%
0.8%
0.9%

Refractive Index

1.586

Melting Temperature (Tm)

176°C349 °F

Thermal

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

Thermal Conductivity

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

Specific Heat Capacity

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

Thermal Expansion (CTE, 20–100 °C)

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

Max Service Temperature (continuous)

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

Min Service Temperature

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

Heat Deflection Temp. @ 0.45 MPa

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

Heat Deflection Temp. @ 1.8 MPa

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

Vicat Softening Point (B50)

150°C302 °F
100°C212 °F
168°C334 °F

Limiting Oxygen Index

26%
19%

Max Service Temperature (short-term)

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

Electrical

Conductivity and insulation.

Electrical Resistivity

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

Dielectric Strength

17 kV/mm432 V/mil

Dielectric Constant (1 MHz)

2.9
3.4

Dissipation Factor (1 MHz)

0.01

Volume Resistivity

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

Surface Resistivity

1×10¹⁵ Ω
1×10⁷ Ω

Comparative Tracking Index (CTI)

250 V

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

78 / 100
70 / 100
72 / 100

UV / Weathering Resistance

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

Manufacturability

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

Machinability

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

Weldability

55 / 100
60 / 100
15 / 100

Formability (cold)

25 / 100
10 / 100

Polishability

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

Processing Melt Temperature (typ.)

350°C662 °F
245°C473 °F

Mold Temperature (typ.)

145°C293 °F
90°C194 °F

Mold Shrinkage

0.6%

Melt Flow Rate

4 g/10 min

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

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

Embodied Carbon (primary production)

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

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

Specific Stiffness (E / density)

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

Thermal Diffusivity

0.1 mm²/s
0.1 mm²/s
0.1 mm²/s
0.3 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

CapabilityPC-ISOABS-ESDHigh TempAlumide
Injection moldingYes
Default conditionStandardStandard
Relative cost$$$$ High$$$ Premium$$$ Premium$$ Standard
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 PC-ISO 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.