FabDigitFabDigit

PC-Medical vs PC-MF

Polymer · grade comparison

PC-Medical and PC-MF are both polymer grades. PC-Medical is the stronger of the two: tensile strength 68 MPa (9.86 ksi) against 62 MPa (8.99 ksi) for PC-MF, about 10% more. PC-Medical is the more ductile: elongation 115% versus 10% for PC-MF. PC-Medical is lighter (1.2 g/cm³ vs 1.35 g/cm³ for PC-MF) and PC-MF is stiffer (3.8 GPa vs 2.4 GPa). On the shop floor, PC-Medical welds better (very good vs good) and PC-MF sits in a lower cost tier (standard, $$) than PC-Medical (premium, $$$).

PC-MedicalChoose it when strength drives the design, or when the part is bent, formed or impact-loaded.

PC-MFChoose it when cost is the deciding factor.

PC-Medical vs PC-MF: properties

PC-MedicalPC-MF

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

2.4 GPa0.34 Msi
3.8 GPa0.55 Msi

Shear Modulus

0.85 GPa0.12 Msi
1.4 GPa0.2 Msi

Bulk Modulus

3 GPa0.49 Msi
5 GPa0.73 Msi

Poisson's Ratio

0.37
0.38

Tensile Strength (Ultimate)

68 MPa9.9 ksi
62 MPa9 ksi

Yield Strength (0.2% offset)

62 MPa9 ksi
60 MPa8.7 ksi

Elongation at Break

115%
10%

Compressive Strength

80 MPa11.6 ksi
88 MPa12.8 ksi

Compressive Modulus

2.4 GPa0.35 Msi
3.2 GPa0.46 Msi

Flexural Strength

95 MPa13.8 ksi
100 MPa14.5 ksi

Flexural Modulus

2.4 GPa0.34 Msi
3.7 GPa0.54 Msi

Shear Strength

40 MPa5.8 ksi
45 MPa6.5 ksi

Fracture Toughness (K_IC)

2.7 MPa·√m2.5 ksi·√in
2.2 MPa·√m2 ksi·√in

Izod Impact, Notched

800 J/m15 ft·lbf/in
110 J/m2.1 ft·lbf/in

Hardness, Shore D

82 Shore D
85 Shore D

Hardness, Rockwell M

72 HRM
78 HRM

Same in both: Hardness, Rockwell R 120 HRR

Physical

Density and transition temperatures.

Density

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

Refractive Index

1.586
—

Light Transmission

88%
—

Same in both: Glass Transition (Tg) 147°C297 °F · Water Absorption (24 h) 0.15% · Water Absorption (Saturation) 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

1,200 J/kg·K0.29 BTU/lb·°F
1,150 J/kg·K0.27 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

68 µm/m·K37.8 µin/in·°F
50 µm/m·K27.8 µin/in·°F

Max Service Temperature (continuous)

115°C239 °F
120°C248 °F

Heat Deflection Temp. @ 0.45 MPa

138°C280 °F
142°C288 °F

Heat Deflection Temp. @ 1.8 MPa

128°C262 °F
132°C270 °F

Limiting Oxygen Index

26%
27%

Max Service Temperature (short-term)

145°C293 °F
140°C284 °F

Same in both: Min Service Temperature -40°C-40 °F · Vicat Softening Point (B50) 146°C295 °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

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

Dielectric Constant (1 MHz)

2.9
3.3

Dissipation Factor (1 MHz)

0.01
0.011

Volume Resistivity

1×10¹⁶ Ω·cm
1×10¹⁵ Ω·cm

Same in both: Surface Resistivity 1×10¹⁵ Ω · Comparative Tracking Index (CTI) 250 V

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

70 / 100
68 / 100

UV / Weathering Resistance

30 / 100
35 / 100

Manufacturability

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

Machinability

60 / 100
62 / 100

Weldability

75 / 100
65 / 100

Formability (cold)

70 / 100
25 / 100

Polishability

90 / 100
30 / 100

Mold Shrinkage

0.6%
0.45%

Processing Melt Temperature (typ.)

300°C572 °F
295°C563 °F

Mold Temperature (typ.)

95°C203 °F
90°C194 °F

Same in both: Melt Flow Rate 10 g/10 min

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

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

Embodied Carbon (primary production)

6 kg CO₂/kg
5.5 kg CO₂/kg

Embodied Water

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

Typical Recycled Content

0%
15%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

57 kN·m/kg
46 kN·m/kg

Specific Stiffness (E / density)

2 MN·m/kg
2.8 MN·m/kg

Modulus of Resilience

818 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-MedicalPC-MF

Manufacturing and finishing

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

PC-Medical vs PC-MF — frequently asked

Is PC-Medical stronger than PC-MF?

Yes. PC-Medical has a typical tensile strength of 68 MPa (9.86 ksi) against 62 MPa (8.99 ksi) for PC-MF — about 10% more.

Which is cheaper, PC-Medical or PC-MF?

PC-MF is the lower-cost material: it sits in the standard tier ($$) while PC-Medical is premium ($$$). 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-Medical or PC-MF?

PC-Medical. Its weldability rates very good (75/100) against good (65/100) for PC-MF.

Ready to make it?

Upload a CAD file and FabDigit prices the part in PC-Medical 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.