FabDigit

SEBS vs ABS and 2 more: properties

SEBSABSPC-ABSASA

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

0.02 GPa0 Msi
2.3 GPa0.33 Msi
2.4 GPa0.35 Msi
2.2 GPa0.32 Msi

Poisson's Ratio

0.48
0.35
0.39
0.37

Tensile Strength (Ultimate)

30 MPa4.4 ksi
43 MPa6.2 ksi
56 MPa8.1 ksi
47 MPa6.8 ksi

Elongation at Break

550%
25%
90%
25%

Hardness, Shore A

72 Shore A

Hardness, Shore D

24 Shore D
78 Shore D
79 Shore D
78 Shore D

Tear Strength

45 kN/m257 lbf/in

Compression Set (22 h, 70 °C)

45%

Shear Modulus

0.85 GPa0.12 Msi
0.87 GPa0.13 Msi
0.8 GPa0.12 Msi

Bulk Modulus

4 GPa0.51 Msi
4 GPa0.52 Msi
4 GPa0.51 Msi

Yield Strength (0.2% offset)

42 MPa6.1 ksi
55 MPa8 ksi
45 MPa6.5 ksi

Compressive Strength

65 MPa9.4 ksi
65 MPa9.4 ksi
62 MPa9 ksi

Compressive Modulus

2.2 GPa0.32 Msi
2.3 GPa0.33 Msi

Flexural Strength

70 MPa10.2 ksi
85 MPa12.3 ksi
72 MPa10.4 ksi

Flexural Modulus

2.3 GPa0.33 Msi
2.3 GPa0.33 Msi
2.2 GPa0.32 Msi

Shear Strength

34 MPa4.9 ksi
40 MPa5.8 ksi
35 MPa5.1 ksi

Fracture Toughness (K_IC)

3 MPa·√m2.7 ksi·√in
3.5 MPa·√m3.2 ksi·√in

Izod Impact, Notched

200 J/m3.7 ft·lbf/in
500 J/m9.4 ft·lbf/in
130 J/m2.4 ft·lbf/in

Hardness, Rockwell R

105 HRR
115 HRR
105 HRR

Hardness, Rockwell M

68 HRM
70 HRM

Physical

Density and transition temperatures.

Density

0.91 g/cm³0.03 lb/in³
1.04 g/cm³0.04 lb/in³
1.15 g/cm³0.04 lb/in³
1.07 g/cm³0.04 lb/in³

Glass Transition (Tg)

-55°C-67 °F
105°C221 °F
125°C257 °F
105°C221 °F

Water Absorption (24 h)

0.05%
0.3%
0.2%
0.3%

Water Absorption (Saturation)

0.15%
1%
0.6%
1%

Refractive Index

1.505
1.57

Thermal

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

Thermal Conductivity

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

Specific Heat Capacity

1,900 J/kg·K0.45 BTU/lb·°F
1,450 J/kg·K0.35 BTU/lb·°F
1,400 J/kg·K0.33 BTU/lb·°F
1,450 J/kg·K0.35 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

180 µm/m·K100 µin/in·°F
90 µm/m·K50 µin/in·°F
75 µm/m·K41.7 µin/in·°F
85 µm/m·K47.2 µin/in·°F

Max Service Temperature (continuous)

85°C185 °F
75°C167 °F
100°C212 °F
80°C176 °F

Min Service Temperature

-60°C-76 °F
-20°C-4 °F
-40°C-40 °F
-30°C-22 °F

Vicat Softening Point (B50)

75°C167 °F
100°C212 °F
135°C275 °F
100°C212 °F

Limiting Oxygen Index

19%
19%
23%
19%

Max Service Temperature (short-term)

110°C230 °F
95°C203 °F
125°C257 °F
95°C203 °F

Heat Deflection Temp. @ 0.45 MPa

95°C203 °F
120°C248 °F
98°C208 °F

Heat Deflection Temp. @ 1.8 MPa

85°C185 °F
105°C221 °F
88°C190 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

1×10¹³ Ω·m3.94×10²⁰ µΩ·in
1×10¹³ Ω·m3.94×10²⁰ µΩ·in
1×10¹⁴ Ω·m3.94×10²¹ µΩ·in
1×10¹⁴ Ω·m3.94×10²¹ µΩ·in

Dielectric Strength

22 kV/mm559 V/mil
16 kV/mm406 V/mil
25 kV/mm635 V/mil
25 kV/mm635 V/mil

Dielectric Constant (1 MHz)

2.3
2.9
3
3

Dissipation Factor (1 MHz)

5×10⁻⁴
0.009
0.008
0.015

Volume Resistivity

1×10¹⁵ Ω·cm
1×10¹⁵ Ω·cm
1×10¹⁶ Ω·cm
1×10¹⁶ Ω·cm

Surface Resistivity

1×10¹⁴ Ω
1×10¹⁵ Ω
1×10¹⁵ Ω
1×10¹⁵ Ω

Comparative Tracking Index (CTI)

600 V
600 V
250 V
600 V

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

80 / 100
68 / 100
78 / 100
70 / 100

UV / Weathering Resistance

80 / 100
22 / 100
30 / 100
88 / 100

Manufacturability

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

Machinability

25 / 100
80 / 100
65 / 100
75 / 100

Weldability

55 / 100
78 / 100
72 / 100
70 / 100

Formability (cold)

90 / 100
82 / 100
60 / 100
75 / 100

Polishability

30 / 100
60 / 100
65 / 100
70 / 100

Mold Shrinkage

1.8%
0.55%
0.6%
0.5%

Melt Flow Rate

5 g/10 min
20 g/10 min
14 g/10 min
12 g/10 min

Processing Melt Temperature (typ.)

210°C410 °F
235°C455 °F
265°C509 °F
245°C473 °F

Mold Temperature (typ.)

30°C86 °F
60°C140 °F
75°C167 °F
65°C149 °F

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

105 MJ/kg45,142 BTU/lb
95 MJ/kg40,843 BTU/lb
100 MJ/kg42,992 BTU/lb
96 MJ/kg41,273 BTU/lb

Embodied Carbon (primary production)

3.6 kg CO₂/kg
3.8 kg CO₂/kg
4.6 kg CO₂/kg
3.9 kg CO₂/kg

Embodied Water

180 L/kg21.6 gal/lb
200 L/kg24 gal/lb
200 L/kg24 gal/lb
200 L/kg24 gal/lb

Typical Recycled Content

2%
5%
15%
5%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

33 kN·m/kg
41 kN·m/kg
49 kN·m/kg
44 kN·m/kg

Specific Stiffness (E / density)

0 MN·m/kg
2.2 MN·m/kg
2.1 MN·m/kg
2.1 MN·m/kg

Thermal Shock Resistance Index

2
0
0
0

Same in both: Thermal Diffusivity 0.1 mm²/s

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 scaleABSPC-ABSASA

Manufacturing and finishing

CapabilitySEBSABSPC-ABSASA
CNC machiningYesYesYes
Sheet metalYesYesYes
Injection moldingYesYesYes
3D printingYesYes
Default conditionUnfilledUnfilledUnfilled
Relative cost$$ Standard$ Budget$$ Standard$$ Standard
Min. machined wall0.5 mm0.5 mm0.5 mm
Best machined surfaceRa 0.8 µmRa 0.8 µmRa 0.8 µm
Chrome Plating (Plastic)YesYesYes
Conductive CoatingYesYes
Dyeing (Nylon)YesYes
EMI Shielding CoatingYesYesYes
PaintingYesYesYes
Primer CoatingYesYes
Soft Touch CoatingYesYesYes
Spray PaintingYesYesYes
Tinted CoatingYesYes
UV CoatingYesYesYes
Vacuum MetallizationYesYes
Waterproof CoatingYesYes

Ready to make it?

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