mPPE vs PPE/PPO
Polymer · grade comparison
mPPE and PPE/PPO are both polymer grades. Both yield at about 58 MPa — strength does not separate them. On the shop floor, PPE/PPO forms better (good vs poor).
mPPE vs PPE/PPO: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all polymer grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all polymer grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Elastic (Young's) Modulus
Bulk Modulus
Tensile Strength (Ultimate)
Compressive Modulus
Flexural Strength
Flexural Modulus
Shear Strength
Fracture Toughness (K_IC)
Izod Impact, Notched
Hardness, Rockwell M
Hardness, Shore D
Same in both: Shear Modulus 0.9 GPa0.13 Msi · Poisson's Ratio 0.38 · Yield Strength (0.2% offset) 58 MPa8.4 ksi · Elongation at Break 50% · Compressive Strength 90 MPa13.1 ksi · Hardness, Rockwell R 119 HRR
Physical
Density and transition temperatures.
Density
Glass Transition (Tg)
Water Absorption (Saturation)
Same in both: Water Absorption (24 h) 0.07%
Thermal
How each material carries heat and how hot it can run.
Heat Deflection Temp. @ 0.45 MPa
Heat Deflection Temp. @ 1.8 MPa
Limiting Oxygen Index
Same in both: Thermal Conductivity 0.22 W/m·K0.13 BTU/hr·ft·°F · Specific Heat Capacity 1,400 J/kg·K0.33 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 65 µm/m·K36.1 µin/in·°F · Max Service Temperature (continuous) 100°C212 °F · Min Service Temperature -40°C-40 °F · Vicat Softening Point (B50) 140°C284 °F · Max Service Temperature (short-term) 130°C266 °F
Electrical
Conductivity and insulation.
Dielectric Strength
Dielectric Constant (1 MHz)
Dissipation Factor (1 MHz)
Same in both: Electrical Resistivity 1×10¹⁴ Ω·m3.94×10²¹ µΩ·in · Volume Resistivity 1×10¹⁶ Ω·cm · Surface Resistivity 1×10¹⁵ Ω · Comparative Tracking Index (CTI) 400 V
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Same in both: Corrosion Resistance 80 / 100 · UV / Weathering Resistance 35 / 100
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Weldability
Formability (cold)
Melt Flow Rate
Same in both: Machinability 65 / 100 · Polishability 60 / 100 · Mold Shrinkage 0.6% · Processing Melt Temperature (typ.) 280°C536 °F · Mold Temperature (typ.) 90°C194 °F
Sustainability
Primary-production footprint per kilogram.
Embodied Energy (primary production)
Embodied Carbon (primary production)
Embodied Water
Typical Recycled Content
Common Calculations
Ratios derived from the values above.
Specific Strength (UTS / density)
Specific Stiffness (E / density)
Modulus of Resilience
Same in both: Thermal Diffusivity 0.1 mm²/s · 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.
Manufacturing and finishing
| Capability | mPPE | PPE/PPO |
|---|---|---|
| Default condition | — | — |
| Relative cost | $$$ Premium | $$$ Premium |
| Min. machined wall | — | — |
| Best machined surface | — | — |
mPPE vs PPE/PPO — frequently asked
What is the difference between mPPE and PPE/PPO?
mPPE and PPE/PPO are both polymer grades. Both yield at about 58 MPa — strength does not separate them. On the shop floor, PPE/PPO forms better (good vs poor).
Which is cheaper, mPPE or PPE/PPO?
Both sit in the same relative cost tier ($$$, premium); the part price will be decided by machining time, tolerance and quantity rather than by the material.
Which welds better, mPPE or PPE/PPO?
PPE/PPO. Its weldability rates very good (70/100) against good (65/100) for mPPE.
Ready to make it?
Upload a CAD file and FabDigit prices the part in mPPE and PPE/PPO 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.