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Low-Odor Bio-Based Resin vs Formlabs Rigid 10K

Polymer · grade comparison

Low-Odor Bio-Based Resin and Rigid 10K are both polymer grades. Rigid 10K is the stronger of the two: tensile strength 75 MPa (10.9 ksi) against 45 MPa (6.53 ksi) for Low-Odor Bio-Based Resin, about 67% more. In exchange, Low-Odor Bio-Based Resin is the more ductile: elongation 9% versus 2.5% for Rigid 10K. Low-Odor Bio-Based Resin is lighter (1.15 g/cm³ vs 1.55 g/cm³ for Rigid 10K) and Rigid 10K is stiffer (5.5 GPa vs 1.9 GPa). On the shop floor, Rigid 10K sits in a lower cost tier (premium, $$$) than Low-Odor Bio-Based Resin (high, $$$$).

Low-Odor Bio-Based ResinChoose it when the part is bent, formed or impact-loaded, or when weight is the constraint.

Rigid 10KChoose it when strength drives the design, or when the part sees heat.

Low-Odor Bio-Based Resin vs Rigid 10K: properties

Low-Odor Bio-Based ResinRigid 10K

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

1.9 GPa0.28 Msi
5.5 GPa0.8 Msi

Poisson's Ratio

0.38
0.35

Tensile Strength (Ultimate)

45 MPa6.5 ksi
75 MPa10.9 ksi

Elongation at Break

9%
2.5%

Compressive Strength

78 MPa11.3 ksi
105 MPa15.2 ksi

Compressive Modulus

2 GPa0.29 Msi
5 GPa0.73 Msi

Flexural Strength

70 MPa10.2 ksi
125 MPa18.1 ksi

Flexural Modulus

2 GPa0.29 Msi
5 GPa0.73 Msi

Shear Strength

35 MPa5.1 ksi
—

Fracture Toughness (K_IC)

0.8 MPa·√m0.73 ksi·√in
0.9 MPa·√m0.82 ksi·√in

Izod Impact, Notched

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

Hardness, Shore D

82 Shore D
85 Shore D

Hardness, Rockwell M

78 HRM
95 HRM

Physical

Density and transition temperatures.

Density

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

Glass Transition (Tg)

58°C136 °F
105°C221 °F

Water Absorption (24 h)

0.6%
0.5%

Water Absorption (Saturation)

1.8%
—

Refractive Index

1.51
—

Thermal

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

Thermal Conductivity

0.19 W/m·K0.11 BTU/hr·ft·°F
0.3 W/m·K0.17 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

Thermal Expansion (CTE, 20–100 °C)

90 µm/m·K50 µin/in·°F
45 µm/m·K25 µin/in·°F

Max Service Temperature (continuous)

55°C131 °F
100°C212 °F

Min Service Temperature

-20°C-4 °F
-30°C-22 °F

Heat Deflection Temp. @ 0.45 MPa

56°C133 °F
130°C266 °F

Heat Deflection Temp. @ 1.8 MPa

47°C117 °F
105°C221 °F

Limiting Oxygen Index

19%
21%

Max Service Temperature (short-term)

80°C176 °F
150°C302 °F

Electrical

Conductivity and insulation.

Dielectric Strength

16 kV/mm406 V/mil
15 kV/mm381 V/mil

Dielectric Constant (1 MHz)

3.5
3.6

Same in both: Electrical Resistivity 1×10¹² Ω·m3.94×10¹⁹ µΩ·in · Dissipation Factor (1 MHz) 0.03 · Volume Resistivity 1×10¹⁴ Ω·cm · Surface Resistivity 1×10¹⁴ Ω

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

70 / 100
80 / 100

UV / Weathering Resistance

30 / 100
25 / 100

Manufacturability

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

Machinability

45 / 100
40 / 100

Polishability

70 / 100
55 / 100

Mold Shrinkage

1%
—

Weldability

—
3 / 100

Formability (cold)

—
3 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

85 MJ/kg36,543 BTU/lb
115 MJ/kg49,441 BTU/lb

Embodied Carbon (primary production)

3.4 kg CO₂/kg
6 kg CO₂/kg

Embodied Water

220 L/kg26.4 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)

39 kN·m/kg
48 kN·m/kg

Specific Stiffness (E / density)

1.7 MN·m/kg
3.5 MN·m/kg

Thermal Diffusivity

0.1 mm²/s
0.2 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 scaleFormlabs Rigid 10K

Manufacturing and finishing

CapabilityLow-Odor Bio-Based ResinRigid 10K
Injection molding—Yes
3D printing—Yes
Default condition—Glass Filled
Relative cost$$$$ High$$$ Premium
Min. machined wall——
Best machined surface——
Chrome Plating (Plastic)—Yes
Conductive Coating—Yes
Dyeing (Nylon)—Yes
EMI Shielding Coating—Yes
Painting—Yes
Primer Coating—Yes
Soft Touch Coating—Yes
Spray Painting—Yes
Tinted Coating—Yes
UV Coating—Yes
Vacuum Metallization—Yes
Waterproof Coating—Yes

Low-Odor Bio-Based Resin vs Rigid 10K — frequently asked

Is Rigid 10K stronger than Low-Odor Bio-Based Resin?

Yes. Rigid 10K has a typical tensile strength of 75 MPa (10.9 ksi) against 45 MPa (6.53 ksi) for Low-Odor Bio-Based Resin — about 67% more.

Which is cheaper, Low-Odor Bio-Based Resin or Rigid 10K?

Rigid 10K is the lower-cost material: it sits in the premium tier ($$$) while Low-Odor Bio-Based Resin is high ($$$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, Low-Odor Bio-Based Resin or Rigid 10K?

Low-Odor Bio-Based Resin, by a small margin. Both rate fair for machinability — 45/100 against 40/100 for Rigid 10K.

Ready to make it?

Upload a CAD file and FabDigit prices the part in Low-Odor Bio-Based Resin 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.