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Tough 2000 vs Rigid 10K and 2 more: properties

Tough 2000Rigid 10KFlexible ResinClear

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

2.4 GPa0.35 Msi
5.5 GPa0.8 Msi
0.01 GPa0 Msi
2.8 GPa0.41 Msi

Poisson's Ratio

0.39
0.35
0.48
0.38

Tensile Strength (Ultimate)

50 MPa7.3 ksi
75 MPa10.9 ksi
9 MPa1.3 ksi
65 MPa9.4 ksi

Yield Strength (0.2% offset)

44 MPa6.4 ksi
—
—
52 MPa7.5 ksi

Elongation at Break

22%
2.5%
120%
6.5%

Compressive Strength

70 MPa10.2 ksi
105 MPa15.2 ksi
5 MPa0.65 ksi
80 MPa11.6 ksi

Compressive Modulus

2.1 GPa0.3 Msi
5 GPa0.73 Msi
0.01 GPa0 Msi
2.6 GPa0.38 Msi

Flexural Strength

68 MPa9.9 ksi
125 MPa18.1 ksi
—
87 MPa12.6 ksi

Flexural Modulus

1.9 GPa0.28 Msi
5 GPa0.73 Msi
—
2.2 GPa0.32 Msi

Izod Impact, Notched

38 J/m0.71 ft·lbf/in
17 J/m0.32 ft·lbf/in
—
25 J/m0.47 ft·lbf/in

Hardness, Shore D

80 Shore D
85 Shore D
30 Shore D
80 Shore D

Hardness, Rockwell R

103 HRR
—
—
—

Fracture Toughness (K_IC)

—
0.9 MPa·√m0.82 ksi·√in
—
0.9 MPa·√m0.82 ksi·√in

Hardness, Rockwell M

—
95 HRM
—
88 HRM

Shear Strength

—
—
6 MPa0.87 ksi
40 MPa5.8 ksi

Hardness, Shore A

—
—
80 Shore A
—

Tear Strength

—
—
24 kN/m137 lbf/in
—

Compression Set (22 h, 70 °C)

—
—
4%
—

Physical

Density and transition temperatures.

Density

1.15 g/cm³0.04 lb/in³
1.55 g/cm³0.06 lb/in³
1.12 g/cm³0.04 lb/in³
1.19 g/cm³0.04 lb/in³

Glass Transition (Tg)

58°C136 °F
105°C221 °F
5°C41 °F
65°C149 °F

Water Absorption (24 h)

0.8%
0.5%
1.2%
0.6%

Water Absorption (Saturation)

1.8%
—
—
1.6%

Refractive Index

1.51
—
1.5
1.52

Light Transmission

—
—
—
88%

Thermal

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

Thermal Conductivity

0.2 W/m·K0.12 BTU/hr·ft·°F
0.3 W/m·K0.17 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

1,500 J/kg·K0.36 BTU/lb·°F
1,250 J/kg·K0.3 BTU/lb·°F
1,650 J/kg·K0.39 BTU/lb·°F
1,450 J/kg·K0.35 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

110 µm/m·K61.1 µin/in·°F
45 µm/m·K25 µin/in·°F
180 µm/m·K100 µin/in·°F
110 µm/m·K61.1 µin/in·°F

Max Service Temperature (continuous)

50°C122 °F
100°C212 °F
65°C149 °F
55°C131 °F

Min Service Temperature

-20°C-4 °F
-30°C-22 °F
-20°C-4 °F
-30°C-22 °F

Heat Deflection Temp. @ 0.45 MPa

49°C120 °F
130°C266 °F
60°C140 °F
73°C163 °F

Heat Deflection Temp. @ 1.8 MPa

42°C108 °F
105°C221 °F
—
58°C136 °F

Limiting Oxygen Index

19%
21%
19%
19%

Max Service Temperature (short-term)

70°C158 °F
150°C302 °F
85°C185 °F
85°C185 °F

Vicat Softening Point (B50)

—
—
—
68°C154 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

1×10¹² Ω·m3.94×10¹⁹ µΩ·in
1×10¹² Ω·m3.94×10¹⁹ µΩ·in
1×10¹¹ Ω·m3.94×10¹⁸ µΩ·in
1×10¹² Ω·m3.94×10¹⁹ µΩ·in

Dielectric Strength

15 kV/mm381 V/mil
15 kV/mm381 V/mil
14 kV/mm356 V/mil
15 kV/mm381 V/mil

Dielectric Constant (1 MHz)

3.4
3.6
4
3.2

Dissipation Factor (1 MHz)

0.03
0.03
—
0.03

Volume Resistivity

1×10¹⁴ Ω·cm
1×10¹⁴ Ω·cm
1×10¹³ Ω·cm
1×10¹⁴ Ω·cm

Surface Resistivity

1×10¹⁴ Ω
1×10¹⁴ Ω
—
—

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

55 / 100
80 / 100
70 / 100
65 / 100

UV / Weathering Resistance

30 / 100
25 / 100
25 / 100
25 / 100

Manufacturability

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

Machinability

55 / 100
40 / 100
15 / 100
45 / 100

Weldability

5 / 100
3 / 100
—
5 / 100

Formability (cold)

10 / 100
3 / 100
—
5 / 100

Polishability

65 / 100
55 / 100
25 / 100
85 / 100

Mold Shrinkage

—
—
1.5%
—

Processing Melt Temperature (typ.)

—
—
30°C86 °F
—

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

115 MJ/kg49,441 BTU/lb
115 MJ/kg49,441 BTU/lb
115 MJ/kg49,441 BTU/lb
110 MJ/kg47,292 BTU/lb

Embodied Carbon (primary production)

6 kg CO₂/kg
6 kg CO₂/kg
5.5 kg CO₂/kg
5.5 kg CO₂/kg

Embodied Water

260 L/kg31.2 gal/lb
200 L/kg24 gal/lb
—
—

Same in both: Typical Recycled Content 0%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

43 kN·m/kg
48 kN·m/kg
8 kN·m/kg
55 kN·m/kg

Specific Stiffness (E / density)

2.1 MN·m/kg
3.5 MN·m/kg
0 MN·m/kg
2.4 MN·m/kg

Thermal Diffusivity

0.1 mm²/s
0.2 mm²/s
0.1 mm²/s
0.1 mm²/s

Thermal Shock Resistance Index

0
0
1
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 scaleFormlabs Tough 2000Formlabs Rigid 10KFlexible ResinFormlabs Clear

Manufacturing and finishing

CapabilityTough 2000Rigid 10KFlexible ResinClear
Default conditionABS-likeGlass FilledShore A 80Standard
Relative cost$$ Standard$$$ Premium$$$ Premium$$ Standard
Min. machined wall————
Best machined surface————

Both are offered for Injection molding and 3D printing. Both take the same 12 finishes: Chrome Plating (Plastic), Conductive Coating, Dyeing (Nylon), EMI Shielding Coating, Painting, Primer Coating, Soft Touch Coating, Spray Painting, Tinted Coating, UV Coating, Vacuum Metallization, Waterproof Coating.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Tough 2000 and Rigid 10K 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.