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Digital ABS vs Durus

Polymer · grade comparison

Digital ABS and Durus are both polymer grades. Digital ABS is the stronger of the two: tensile strength 57 MPa (8.27 ksi) against 25 MPa (3.63 ksi) for Durus, about 128% more. In exchange, Durus is the more ductile: elongation 45% versus 30% for Digital ABS, and Digital ABS is harder (86 Shore D vs 68 Shore D). Digital ABS is stiffer (2.8 GPa vs 1.1 GPa) and Digital ABS runs hotter in service (50°C vs 45°C continuous). On the shop floor, Digital ABS machines more easily (good vs fair), Digital ABS welds better (poor vs not recommended), and Durus sits in a lower cost tier (high, $$$$) than Digital ABS (specialty, $$$$$).

Digital ABSChoose it when strength drives the design, or when the part sees heat.

DurusChoose it when the part is bent, formed or impact-loaded, or when cost is the deciding factor.

Digital ABS vs Durus: properties

Digital ABSDurus

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

2.8 GPa0.41 Msi
1.1 GPa0.16 Msi

Poisson's Ratio

0.38
0.4

Tensile Strength (Ultimate)

57 MPa8.3 ksi
25 MPa3.6 ksi

Elongation at Break

30%
45%

Flexural Strength

70 MPa10.2 ksi
32 MPa4.6 ksi

Flexural Modulus

2 GPa0.29 Msi
1.1 GPa0.16 Msi

Izod Impact, Notched

72 J/m1.3 ft·lbf/in
50 J/m0.94 ft·lbf/in

Hardness, Shore D

86 Shore D
68 Shore D

Hardness, Rockwell M

68 HRM
—

Yield Strength (0.2% offset)

—
22 MPa3.2 ksi

Hardness, Rockwell R

—
95 HRR

Physical

Density and transition temperatures.

Density

1.18 g/cm³0.04 lb/in³
1.17 g/cm³0.04 lb/in³

Glass Transition (Tg)

50°C122 °F
43°C109 °F

Water Absorption (24 h)

1.7%
1.8%

Thermal

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

Max Service Temperature (continuous)

50°C122 °F
45°C113 °F

Heat Deflection Temp. @ 0.45 MPa

63°C145 °F
48°C118 °F

Heat Deflection Temp. @ 1.8 MPa

52°C126 °F
42°C108 °F

Thermal Conductivity

—
0.2 W/m·K0.12 BTU/hr·ft·°F

Specific Heat Capacity

—
1,500 J/kg·K0.36 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

—
110 µm/m·K61.1 µin/in·°F

Same in both: Min Service Temperature -20°C-4 °F

Electrical

Conductivity and insulation.

Volume Resistivity

—
1×10¹⁴ Ω·cm

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Corrosion Resistance 70 / 100 · UV / Weathering Resistance 20 / 100

Manufacturability

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

Machinability

55 / 100
45 / 100

Weldability

15 / 100
5 / 100

Polishability

60 / 100
45 / 100

Formability (cold)

—
15 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

—
115 MJ/kg49,441 BTU/lb

Embodied Carbon (primary production)

—
5.5 kg CO₂/kg

Typical Recycled Content

—
0%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

49 kN·m/kg
21 kN·m/kg

Specific Stiffness (E / density)

2.4 MN·m/kg
0.9 MN·m/kg

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 scaleDurusDigital ABS

Manufacturing and finishing

CapabilityDigital ABSDurus
3D printingYes—
Default conditionStandard—
Relative cost$$$$$ Specialty$$$$ High
Min. machined wall——
Best machined surface——
Conductive CoatingYes—
Dyeing (Nylon)Yes—
EMI Shielding CoatingYes—
PaintingYes—
Primer CoatingYes—
Soft Touch CoatingYes—
Tinted CoatingYes—
UV CoatingYes—
Vacuum MetallizationYes—
Waterproof CoatingYes—

Digital ABS vs Durus — frequently asked

Is Digital ABS stronger than Durus?

Yes. Digital ABS has a typical tensile strength of 57 MPa (8.27 ksi) against 25 MPa (3.63 ksi) for Durus — about 128% more.

Which is cheaper, Digital ABS or Durus?

Durus is the lower-cost material: it sits in the high tier ($$$$) while Digital ABS is specialty ($$$$$). 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, Digital ABS or Durus?

Digital ABS. Its machinability rates good (55/100) against fair (45/100) for Durus; for welding the order is Digital ABS first (poor, 15/100) then Durus (not recommended, 5/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in Digital ABS and Durus 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.