Materials / Compare

Plastic PMMA vs. Plastic PPS GF40

Compare Plastic PMMA vs. Plastic PPS GF40 strength, stiffness, weight and thermal properties.

Plastic PMMABulk polymer (molded or machined)
Plastic PPS GF40Bulk polymer (molded or machined)
MechanicalPlastic PMMAPlastic PPS GF40
Yield strengthnot given (tensile used)not given (tensile used)
Ultimate tensile strength80MPa1tensile strength195MPa22.44x stronger
Compressive strength110MPa1not sourced
Flexural strength115MPa1285MPa2
Elongation at break5.5%12.89x more ductilestrain at break1.9%2
Young's modulus (stiffness)3.3GPa114.7GPa24.45x stiffer
Density1,190kg/m³139% lighter1,650kg/m³2
Strength to weight67.2kN·m/kg118kN·m/kg1.76x higher
Stiffness to weight2.77MN·m/kg8.91MN·m/kg3.21x higher
Poisson's ratio0.3710.353
Shear modulus1.2GPa5.44GPa4.52x stiffer in shear
Bulk modulus4.23GPa16.3GPa3.86x higher
Speed of sound1,665m/s2,985m/s1.79x faster
1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic UHMWPEPlastic HDPEPlastic PolypropyleneFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin StandardSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcretePCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic LCP GF30Plastic PMMAPlastic PPS GF40
Stiffness against densityHigher and further left: stiffer for its weight
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic PTFEPlastic UHMWPEPlastic HDPEPlastic PolypropyleneFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin StandardSLA Resin Tough 2000SLA Resin Elastic 50ASLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Aluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic LCP GF30Plastic PMMAPlastic PPS GF40
Strength against densityHigher and further left: stronger for its weight
ThermalPlastic PMMAPlastic PPS GF40
Thermal conductivity0.19W/m·K10.2W/m·K3
Thermal expansion0-50 °C70µm/m·K1parallel12µm/m·K25.83x less
100 mm part over a 50 °C swing350µm growth60µm growth5.83x less
Specific heat1,470J/kg·K1not sourced
Heats up and cools (diffusivity)0.109mm²/snot sourced
Thermal shock resistance41.5W/m144W/m3.47x more resistant
Melting pointnot sourcedDSC280°C2
Glass transitionnot sourcedDSC90°C2
Max service temperature80°C1HDT 1.8 MPa270°C2
1k10k0.1110100Density (kg/m³)Thermal conductivity (W/m·K)Plastic PLAPlastic PETGPlastic ABSPlastic NylonRubberWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic PTFEPlastic UHMWPEPlastic HDPEPlastic PolypropyleneFDM ASAFDM PolycarbonateFDM HIPSSLA Resin StandardDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcreteBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic LCP GF30Plastic PMMAPlastic PPS GF40
Thermal conductivity against densityHigher and further left: spreads more heat for its weight
0.111010010100Thermal conductivity (W/m·K)Thermal expansion (µm/m·K)Plastic PETGPlastic ABSPlastic NylonWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic PTFEPlastic UHMWPEPlastic HDPEPlastic PolypropyleneFDM ASAFDM PolycarbonateFDM HIPSSLA Resin StandardDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcreteBrickPlywoodPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic LCP GF30Plastic PMMAPlastic PPS GF40
Thermal expansion against thermal conductivityLower and further right: warps less when heated
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Sources3 documents: Röhm, Celanese
Plastic PMMA
Röhm PLEXIGLAS GS 0F00 cast acrylic sheet, typical values at 23 °C / 50 % RH (Röhm Technical Information Ref. No. 211-1)
Plastic PPS GF40
Celanese Fortron 1140L4 (PPS, 40% glass fibre), injection moulding; FORTRON PPS Short-Term Properties Guide (PPS-012, 2016); thermal conductivity and Poisson for 40% glass-reinforced Fortron from the Fortron PPS Design Manual (PPS-050, 2013).
  1. 1
    PLEXIGLAS GS and XT Technical Information (Ref. No. 211-1)Röhmarchived copyPlastic PMMA · Ultimate tensile strength: typical, 23 °CPlastic PMMA · Compressive strength: compressive yield stress, typicalPlastic PMMA · Flexural strength: typicalPlastic PMMA · Elongation at break: typicalPlastic PMMA · Young's modulus (stiffness): typical, short-termPlastic PMMA · Density: typicalPlastic PMMA · Poisson's ratio: typicalPlastic PMMA · Thermal conductivity: typicalPlastic PMMA · Thermal expansion: 0-50 °CPlastic PMMA · Specific heat: typicalPlastic PMMA · Max service temperature: max. permanent service temperature
  2. 2
    Fortron PPS Short-Term Properties Guide (PPS-012)CelanesePlastic PPS GF40 · Ultimate tensile strength: tensile strength, 5 mm/minPlastic PPS GF40 · Flexural strength: flexural strength at breakPlastic PPS GF40 · Elongation at break: strain at break, 5 mm/minPlastic PPS GF40 · Young's modulus (stiffness): typical, 1 mm/minPlastic PPS GF40 · Density: typicalPlastic PPS GF40 · Thermal expansion: parallel (flow), mean -50 to 90 °CPlastic PPS GF40 · Melting point: DSC, 10 °C/minPlastic PPS GF40 · Glass transition: DSC, 10 °C/minPlastic PPS GF40 · Max service temperature: HDT 1.8 MPa
  3. 3
    Fortron PPS Design Manual (PPS-050)CelanesePlastic PPS GF40 · Poisson's ratio: glass-reinforced Fortron PPS (class value, not grade-specific)Plastic PPS GF40 · Thermal conductivity: 40% glass-reinforced Fortron, 25 °C (not grade-specific)

Each number points to the document that states it, with the exact basis. Values without a number are computed from the sourced ones. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.

Questions

Mechanical

Is Plastic PMMA stronger than Plastic PPS GF40?

Plastic PPS GF40 is stronger: its tensile strength is 195 MPa against 80 MPa for Plastic PMMA (2.44x).

Which is lighter, Plastic PMMA or Plastic PPS GF40?

Plastic PMMA is lighter: 1,190 kg/m³ against 1,650 kg/m³ for Plastic PPS GF40.

Which is stiffer, Plastic PMMA or Plastic PPS GF40?

Plastic PPS GF40 is stiffer: Young's modulus 14.7 GPa against 3.3 GPa for Plastic PMMA, so the same part in Plastic PPS GF40 deflects less under the same load.

Which is lighter for the same job, Plastic PMMA or Plastic PPS GF40?

For the same stiffness or strength: Plastic PPS GF40 is lighter for a stiff rod or tie (tension), stiff beam (bending), stiff panel or plate, strong rod or tie, strong beam, strong panel or plate.

Part that must bePlastic PMMAPlastic PPS GF40
Stiff rod or tie (tension)3.21x heavierlighter
Stiff beam (bending)1.52x heavierlighter
Stiff panel or plate19% heavierlighter
Strong rod or tie1.76x heavierlighter
Strong beam31% heavierlighter
Strong panel or plate13% heavierlighter

For the same stiffness or strength, mass scales with density over stiffness (or strength) raised to a power set by how the part is loaded: 1 for a rod in tension, 1/2 for a beam in bending, 1/3 for a panel (the standard material-selection indices).

Which is more ductile, Plastic PMMA or Plastic PPS GF40?

Plastic PMMA stretches further before it breaks: 5.5% elongation at break against 1.9% for Plastic PPS GF40.

Thermal

Which conducts heat better, Plastic PMMA or Plastic PPS GF40?

Plastic PPS GF40 conducts heat better: 0.2 W/m·K against 0.19 W/m·K for Plastic PMMA.

Which expands less with temperature?

Plastic PPS GF40 expands less: 12 µm/m·K against 70 µm/m·K for Plastic PMMA.

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