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PP As Printed vs PP GF30

Polymer · grade comparison

PP As Printed and PP-GF30 are both polymer grades, compared here in the As Printed condition. PP-GF30 is the stronger of the two: yield strength 85 MPa (12.3 ksi) against 33 MPa (4.79 ksi) for PP As Printed, about 158% more; tensile strength follows at 85 MPa (12.3 ksi) vs 22 MPa (3.19 ksi). In exchange, PP As Printed is the more ductile: elongation 15% versus 3% for PP-GF30, and PP-GF30 is harder (80 Shore D vs 72 Shore D). PP As Printed is lighter (0.89 g/cm³ vs 1.13 g/cm³ for PP-GF30) and PP-GF30 is stiffer (6 GPa vs 1 GPa). On the shop floor, PP As Printed machines more easily (good vs fair), PP As Printed welds better (excellent vs fair), and PP As Printed sits in a lower cost tier (budget, $) than PP-GF30 (standard, $$).

PP As PrintedChoose it when the part is bent, formed or impact-loaded, or when weight is the constraint.

PP-GF30Choose it when strength drives the design, or when the part sees heat.

PP As Printed vs PP-GF30: properties

PP As PrintedPP-GF30

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

1 GPa0.15 Msi
6 GPa0.87 Msi

Shear Modulus

0.55 GPa0.08 Msi
—

Bulk Modulus

3 GPa0.45 Msi
—

Poisson's Ratio

0.42
0.39

Tensile Strength (Ultimate)

22 MPa3.2 ksi
85 MPa12.3 ksi

Yield Strength (0.2% offset)

33 MPa4.8 ksi
85 MPa12.3 ksi

Elongation at Break

15%
3%

Compressive Strength

42 MPa6.1 ksi
70 MPa10.2 ksi

Compressive Modulus

1.4 GPa0.2 Msi
5.5 GPa0.8 Msi

Flexural Strength

28 MPa4.1 ksi
125 MPa18.1 ksi

Flexural Modulus

1 GPa0.15 Msi
5.8 GPa0.84 Msi

Shear Strength

25 MPa3.6 ksi
45 MPa6.5 ksi

Fracture Toughness (K_IC)

3.5 MPa·√m3.2 ksi·√in
—

Izod Impact, Notched

40 J/m0.75 ft·lbf/in
95 J/m1.8 ft·lbf/in

Hardness, Shore D

72 Shore D
80 Shore D

Hardness, Rockwell R

95 HRR
105 HRR

Physical

Density and transition temperatures.

Density

0.89 g/cm³0.03 lb/in³
1.13 g/cm³0.04 lb/in³

Glass Transition (Tg)

-10°C14 °F
-8°C18 °F

Water Absorption (24 h)

0.02%
0.06%

Water Absorption (Saturation)

0.1%
0.15%

Refractive Index

1.49
—

Same in both: Melting Temperature (Tm) 165°C329 °F

Thermal

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

Thermal Conductivity

0.22 W/m·K0.13 BTU/hr·ft·°F
0.27 W/m·K0.16 BTU/hr·ft·°F

Specific Heat Capacity

1,900 J/kg·K0.45 BTU/lb·°F
1,500 J/kg·K0.36 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

110 µm/m·K61.1 µin/in·°F
30 µm/m·K16.7 µin/in·°F

Max Service Temperature (continuous)

90°C194 °F
115°C239 °F

Min Service Temperature

-10°C14 °F
-25°C-13 °F

Heat Deflection Temp. @ 0.45 MPa

95°C203 °F
160°C320 °F

Heat Deflection Temp. @ 1.8 MPa

60°C140 °F
152°C306 °F

Vicat Softening Point (B50)

90°C194 °F
158°C316 °F

Limiting Oxygen Index

18%
19%

Max Service Temperature (short-term)

130°C266 °F
145°C293 °F

Electrical

Conductivity and insulation.

Dielectric Strength

25 kV/mm635 V/mil
28 kV/mm711 V/mil

Dielectric Constant (1 MHz)

2.25
3

Dissipation Factor (1 MHz)

3×10⁻⁴
0.004

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) 600 V

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

92 / 100
90 / 100

UV / Weathering Resistance

20 / 100
25 / 100

Manufacturability

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

Machinability

60 / 100
45 / 100

Weldability

92 / 100
45 / 100

Formability (cold)

80 / 100
15 / 100

Polishability

40 / 100
25 / 100

Mold Shrinkage

1.6%
0.4%

Melt Flow Rate

12 g/10 min
6 g/10 min

Processing Melt Temperature (typ.)

230°C446 °F
240°C464 °F

Mold Temperature (typ.)

90°C194 °F
65°C149 °F

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

78 MJ/kg33,534 BTU/lb
80 MJ/kg34,394 BTU/lb

Embodied Carbon (primary production)

2 kg CO₂/kg
2.6 kg CO₂/kg

Embodied Water

100 L/kg12 gal/lb
80 L/kg9.6 gal/lb

Same in both: Typical Recycled Content 5%

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 scalePPPP-GF30

Manufacturing and finishing

CapabilityPP As PrintedPP-GF30
CNC machiningYes—
Sheet metalYes—
Injection moldingYes—
3D printingYes—
Default conditionHomopolymer—
Relative cost$ Budget$$ Standard
Min. machined wall0.5 mm—
Best machined surfaceRa 0.8 µm—
Chrome Plating (Plastic)Yes—
Conductive CoatingYes—
Dyeing (Nylon)Yes—
EMI Shielding CoatingYes—
PaintingYes—
Primer CoatingYes—
Soft Touch CoatingYes—
Spray PaintingYes—
Tinted CoatingYes—
UV CoatingYes—
Vacuum MetallizationYes—
Waterproof CoatingYes—

PP As Printed vs PP-GF30 — frequently asked

Is PP-GF30 stronger than PP As Printed?

Yes. PP-GF30 has a typical yield strength of 85 MPa (12.3 ksi) against 33 MPa (4.79 ksi) for PP As Printed — about 158% more. Tensile strength is 85 MPa (12.3 ksi) vs 22 MPa (3.19 ksi).

Which is cheaper, PP As Printed or PP-GF30?

PP As Printed is the lower-cost material: it sits in the budget tier ($) while PP-GF30 is standard ($$). Part price depends far more on geometry, tolerance and quantity than on raw stock — upload a CAD file for a live quote.

Which is easier to machine, PP As Printed or PP-GF30?

PP As Printed. Its machinability rates good (60/100) against fair (45/100) for PP-GF30; for welding the order is PP As Printed first (excellent, 92/100) then PP-GF30 (fair, 45/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in PP As Printed and PP-GF30 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.