PPS CF30 vs PPS GF65 (Mineral)
Polymer · PPS grade comparison
PPS CF30 and PPS GF65 (Mineral) are two grades of the same polymer grade, PPS: CF30 (30% carbon-fiber reinforced) versus GF65 (Mineral) (65% glass/mineral filled). The chemistry is identical, so every difference below comes from the condition. PPS CF30 is the stronger of the two: tensile strength 195 MPa (28.3 ksi) against 130 MPa (18.9 ksi) for PPS GF65 (Mineral), about 50% more. PPS CF30 is the more ductile: elongation 1.2% versus 0.9% for PPS GF65 (Mineral). PPS CF30 is lighter (1.45 g/cm³ vs 2 g/cm³ for PPS GF65 (Mineral)) and PPS CF30 is stiffer (22 GPa vs 19 GPa). On the shop floor, PPS CF30 machines more easily (fair vs poor).
PPS CF30Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.
PPS CF30 vs PPS GF65 (Mineral): 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
Tensile Strength (Ultimate)
Elongation at Break
Flexural Strength
Flexural Modulus
Izod Impact, Notched
Same in both: Shear Modulus 1.4 GPa0.2 Msi · Poisson's Ratio 0.37 · Yield Strength (0.2% offset) 75 MPa10.9 ksi · Compressive Strength 120 MPa17.4 ksi · Compressive Modulus 3.5 GPa0.51 Msi · Shear Strength 65 MPa9.4 ksi · Hardness, Shore D 88 Shore D · Hardness, Rockwell M 95 HRM · Hardness, Rockwell R 123 HRR
Physical
Density and transition temperatures.
Density
Same in both: Melting Temperature (Tm) 280°C536 °F · Glass Transition (Tg) 88°C190 °F · Water Absorption (24 h) 0.03% · Water Absorption (Saturation) 0.1%
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Thermal Expansion (CTE, 20–100 °C)
Heat Deflection Temp. @ 1.8 MPa
Same in both: Specific Heat Capacity 1,000 J/kg·K0.24 BTU/lb·°F · Max Service Temperature (continuous) 220°C428 °F · Min Service Temperature -40°C-40 °F · Heat Deflection Temp. @ 0.45 MPa 240°C464 °F · Limiting Oxygen Index 47% · Max Service Temperature (short-term) 260°C500 °F
Electrical
Conductivity and insulation.
Electrical Resistivity
Dielectric Constant (1 MHz)
Same in both: Dielectric Strength 18 kV/mm457 V/mil · Dissipation Factor (1 MHz) 0.0013 · Volume Resistivity 1×10¹⁶ Ω·cm · Surface Resistivity 1×10¹⁵ Ω · Comparative Tracking Index (CTI) 175 V
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Same in both: Corrosion Resistance 92 / 100 · UV / Weathering Resistance 35 / 100
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Mold Shrinkage
Same in both: Weldability 30 / 100 · Formability (cold) 15 / 100 · Polishability 60 / 100 · Processing Melt Temperature (typ.) 320°C608 °F · Mold Temperature (typ.) 140°C284 °F
Sustainability
Primary-production footprint per kilogram.
Same in both: Embodied Energy (primary production) 115 MJ/kg49,441 BTU/lb · Embodied Carbon (primary production) 6.2 kg CO₂/kg · Embodied Water 300 L/kg35.9 gal/lb · Typical Recycled Content 2%
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.
PPS CF30 vs PPS GF65 (Mineral) — frequently asked
Is PPS CF30 stronger than PPS GF65 (Mineral)?
Yes. PPS CF30 has a typical tensile strength of 195 MPa (28.3 ksi) against 130 MPa (18.9 ksi) for PPS GF65 (Mineral) — about 50% more.
Which grade does FabDigit quote by default, CF30 or GF65 (Mineral)?
Specify the condition in the material field or the drawing note; FabDigit prices the quote for the state you call out.
Which is easier to machine, PPS CF30 or PPS GF65 (Mineral)?
PPS CF30. Its machinability rates fair (42/100) against poor (28/100) for PPS GF65 (Mineral).
Ready to make it?
Upload a CAD file and FabDigit prices the part in PPS CF30 and PPS GF65 (Mineral) 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.