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PC/ASA vs PC-MF

Polymer · grade comparison

PC/ASA and PC-MF are both polymer grades. PC-MF is the stronger of the two: yield strength 60 MPa (8.7 ksi) against 54 MPa (7.83 ksi) for PC/ASA, about 11% more; tensile strength follows at 62 MPa (8.99 ksi) vs 55 MPa (7.98 ksi). In exchange, PC/ASA is the more ductile: elongation 80% versus 10% for PC-MF, and PC-MF is harder (85 Shore D vs 80 Shore D). PC/ASA is lighter (1.15 g/cm³ vs 1.35 g/cm³ for PC-MF) and PC-MF is stiffer (3.8 GPa vs 2.3 GPa). On the shop floor, PC-MF welds better (65 vs 55 out of 100) and PC-MF sits in a lower cost tier (standard, $$) than PC/ASA (premium, $$$).

PC/ASAChoose it when the part is bent, formed or impact-loaded, or when weight is the constraint.

PC-MFChoose it when strength drives the design, or when the part sees heat.

PC/ASA vs PC-MF: properties

PC/ASAPC-MF

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

2.3 GPa0.33 Msi
3.8 GPa0.55 Msi

Tensile Strength (Ultimate)

55 MPa8 ksi
62 MPa9 ksi

Yield Strength (0.2% offset)

54 MPa7.8 ksi
60 MPa8.7 ksi

Elongation at Break

80%
10%

Compressive Strength

75 MPa10.9 ksi
88 MPa12.8 ksi

Flexural Strength

85 MPa12.3 ksi
100 MPa14.5 ksi

Flexural Modulus

2.3 GPa0.33 Msi
3.7 GPa0.54 Msi

Shear Strength

40 MPa5.8 ksi
45 MPa6.5 ksi

Fracture Toughness (K_IC)

3 MPa·√m2.7 ksi·√in
2.2 MPa·√m2 ksi·√in

Izod Impact, Notched

500 J/m9.4 ft·lbf/in
110 J/m2.1 ft·lbf/in

Hardness, Shore D

80 Shore D
85 Shore D

Hardness, Rockwell M

72 HRM
78 HRM

Hardness, Rockwell R

112 HRR
120 HRR

Shear Modulus

—
1.4 GPa0.2 Msi

Bulk Modulus

—
5 GPa0.73 Msi

Compressive Modulus

—
3.2 GPa0.46 Msi

Same in both: Poisson's Ratio 0.38

Physical

Density and transition temperatures.

Density

1.15 g/cm³0.04 lb/in³
1.35 g/cm³0.05 lb/in³

Glass Transition (Tg)

120°C248 °F
147°C297 °F

Water Absorption (24 h)

0.2%
0.15%

Water Absorption (Saturation)

0.6%
0.35%

Thermal

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

Thermal Conductivity

0.2 W/m·K0.12 BTU/hr·ft·°F
0.27 W/m·K0.16 BTU/hr·ft·°F

Specific Heat Capacity

1,300 J/kg·K0.31 BTU/lb·°F
1,150 J/kg·K0.27 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

80 µm/m·K44.4 µin/in·°F
50 µm/m·K27.8 µin/in·°F

Max Service Temperature (continuous)

95°C203 °F
120°C248 °F

Heat Deflection Temp. @ 0.45 MPa

115°C239 °F
142°C288 °F

Heat Deflection Temp. @ 1.8 MPa

100°C212 °F
132°C270 °F

Vicat Softening Point (B50)

128°C262 °F
146°C295 °F

Limiting Oxygen Index

24%
27%

Max Service Temperature (short-term)

120°C248 °F
140°C284 °F

Same in both: Min Service Temperature -40°C-40 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

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

Dielectric Strength

28 kV/mm711 V/mil
22 kV/mm559 V/mil

Dielectric Constant (1 MHz)

3
3.3

Dissipation Factor (1 MHz)

0.009
0.011

Volume Resistivity

1×10¹⁶ Ω·cm
1×10¹⁵ Ω·cm

Surface Resistivity

1×10¹⁶ Ω
1×10¹⁵ Ω

Same in both: Comparative Tracking Index (CTI) 250 V

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

80 / 100
68 / 100

UV / Weathering Resistance

88 / 100
35 / 100

Manufacturability

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

Machinability

60 / 100
62 / 100

Weldability

55 / 100
65 / 100

Formability (cold)

55 / 100
25 / 100

Polishability

70 / 100
30 / 100

Mold Shrinkage

0.55%
0.45%

Melt Flow Rate

15 g/10 min
10 g/10 min

Processing Melt Temperature (typ.)

260°C500 °F
295°C563 °F

Mold Temperature (typ.)

70°C158 °F
90°C194 °F

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

105 MJ/kg45,142 BTU/lb
90 MJ/kg38,693 BTU/lb

Embodied Water

250 L/kg30 gal/lb
200 L/kg24 gal/lb

Typical Recycled Content

0%
15%

Same in both: Embodied Carbon (primary production) 5.5 kg CO₂/kg

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

48 kN·m/kg
46 kN·m/kg

Specific Stiffness (E / density)

2 MN·m/kg
2.8 MN·m/kg

Modulus of Resilience

634 kJ/m³
474 kJ/m³

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 scalePC/ASAPC-MF

Manufacturing and finishing

CapabilityPC/ASAPC-MF
Default condition——
Relative cost$$$ Premium$$ Standard
Min. machined wall——
Best machined surface——

PC/ASA vs PC-MF — frequently asked

Is PC-MF stronger than PC/ASA?

Yes. PC-MF has a typical yield strength of 60 MPa (8.7 ksi) against 54 MPa (7.83 ksi) for PC/ASA — about 11% more. Tensile strength is 62 MPa (8.99 ksi) vs 55 MPa (7.98 ksi).

Which is cheaper, PC/ASA or PC-MF?

PC-MF is the lower-cost material: it sits in the standard tier ($$) while PC/ASA is premium ($$$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which welds better, PC/ASA or PC-MF?

PC-MF. Its weldability rates good (65/100) against good (55/100) for PC/ASA.

Ready to make it?

Upload a CAD file and FabDigit prices the part in PC/ASA and PC-MF 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.