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PC/ASA GF10 vs PC/ASA LG

Polymer · PC/ASA grade comparison

PC/ASA GF10 and PC/ASA LG are two grades of the same polymer grade, PC/ASA: GF10 (10% glass-fiber reinforced) versus LG (low-gloss / matte grade). The chemistry is identical, so every difference below comes from the condition. PC/ASA GF10 is the stronger of the two: yield strength 68 MPa (9.86 ksi) against 49 MPa (7.11 ksi) for PC/ASA LG, about 39% more; tensile strength follows at 70 MPa (10.2 ksi) vs 50 MPa (7.25 ksi). In exchange, PC/ASA LG is the more ductile: elongation 45% versus 5% for PC/ASA GF10, and PC/ASA GF10 is harder (84 Shore D vs 78 Shore D). PC/ASA LG is lighter (1.15 g/cm³ vs 1.22 g/cm³ for PC/ASA GF10) and PC/ASA GF10 is stiffer (3.5 GPa vs 2.3 GPa). On the shop floor, PC/ASA LG welds better (good vs fair).

PC/ASA GF10Choose it when strength drives the design, or when the part sees heat.

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

PC/ASA GF10 vs PC/ASA LG: properties

PC/ASA GF10PC/ASA LG

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

3.5 GPa0.51 Msi
2.3 GPa0.33 Msi

Tensile Strength (Ultimate)

70 MPa10.2 ksi
50 MPa7.3 ksi

Yield Strength (0.2% offset)

68 MPa9.9 ksi
49 MPa7.1 ksi

Elongation at Break

5%
45%

Compressive Strength

90 MPa13.1 ksi
70 MPa10.2 ksi

Flexural Strength

110 MPa16 ksi
78 MPa11.3 ksi

Flexural Modulus

3.5 GPa0.51 Msi
2.3 GPa0.33 Msi

Shear Strength

50 MPa7.3 ksi
37 MPa5.4 ksi

Fracture Toughness (K_IC)

3.2 MPa·√m2.9 ksi·√in
3.6 MPa·√m3.3 ksi·√in

Izod Impact, Notched

90 J/m1.7 ft·lbf/in
350 J/m6.6 ft·lbf/in

Hardness, Shore D

84 Shore D
78 Shore D

Hardness, Rockwell M

78 HRM
68 HRM

Hardness, Rockwell R

118 HRR
109 HRR

Same in both: Poisson's Ratio 0.38

Physical

Density and transition temperatures.

Density

1.22 g/cm³0.04 lb/in³
1.15 g/cm³0.04 lb/in³

Same in both: Glass Transition (Tg) 120°C248 °F · Water Absorption (24 h) 0.2% · Water Absorption (Saturation) 0.6%

Thermal

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

Thermal Conductivity

0.24 W/m·K0.14 BTU/hr·ft·°F
0.2 W/m·K0.12 BTU/hr·ft·°F

Thermal Expansion (CTE, 20–100 °C)

55 µm/m·K30.6 µin/in·°F
80 µm/m·K44.4 µin/in·°F

Max Service Temperature (continuous)

105°C221 °F
92°C198 °F

Heat Deflection Temp. @ 0.45 MPa

125°C257 °F
110°C230 °F

Heat Deflection Temp. @ 1.8 MPa

108°C226 °F
98°C208 °F

Vicat Softening Point (B50)

132°C270 °F
124°C255 °F

Limiting Oxygen Index

25%
24%

Same in both: Specific Heat Capacity 1,300 J/kg·K0.31 BTU/lb·°F · Min Service Temperature -40°C-40 °F · Max Service Temperature (short-term) 120°C248 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

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

Same in both: Dielectric Strength 28 kV/mm711 V/mil · Dielectric Constant (1 MHz) 3 · Dissipation Factor (1 MHz) 0.009 · Volume Resistivity 1×10¹⁶ Ω·cm · Surface Resistivity 1×10¹⁶ Ω · Comparative Tracking Index (CTI) 250 V

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

78 / 100
80 / 100

Same in both: UV / Weathering Resistance 88 / 100

Manufacturability

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

Machinability

58 / 100
65 / 100

Weldability

45 / 100
58 / 100

Formability (cold)

20 / 100
45 / 100

Mold Shrinkage

0.35%
0.6%

Melt Flow Rate

10 g/10 min
9 g/10 min

Same in both: Polishability 70 / 100 · Processing Melt Temperature (typ.) 260°C500 °F · Mold Temperature (typ.) 70°C158 °F

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 105 MJ/kg45,142 BTU/lb · Embodied Carbon (primary production) 5.5 kg CO₂/kg · Embodied Water 250 L/kg30 gal/lb · Typical Recycled Content 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/ASA

PC/ASA GF10 vs PC/ASA LG — frequently asked

Is PC/ASA GF10 stronger than PC/ASA LG?

Yes. PC/ASA GF10 has a typical yield strength of 68 MPa (9.86 ksi) against 49 MPa (7.11 ksi) for PC/ASA LG — about 39% more. Tensile strength is 70 MPa (10.2 ksi) vs 50 MPa (7.25 ksi).

Which grade does FabDigit quote by default, GF10 or LG?

UNF is the default PC/ASA condition in the FabDigit quote flow (neither GF10 nor LG). The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.

Which is easier to machine, PC/ASA GF10 or PC/ASA LG?

PC/ASA LG, by a small margin. Both rate good for machinability — 65/100 against 58/100 for PC/ASA GF10; for welding the order is PC/ASA LG first (good, 58/100) then PC/ASA GF10 (fair, 45/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in PC/ASA GF10 and PC/ASA LG 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.