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Concrete vs. Plastic PEEK Compare Concrete vs. Plastic PEEK strength, stiffness, weight and thermal properties.
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Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA Rubber Wood Aluminum Aluminum 6061-T6 Aluminum 7075-T6 Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Steel Steel AISI 1018 Steel AISI 1045 Steel AISI 4340 Steel A992 Iron Titanium Titanium Ti-6Al-4V Stainless 304 Stainless 316 Stainless 303 Stainless 17-4PH Brass C360 Brass C260 Copper C110 Glass Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Standard SLA Resin Tough 2000 SLA Resin Elastic 50A SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Concrete Brick Plywood Drywall Concrete Cast Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PEEK Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA Rubber Wood Aluminum Aluminum 6061-T6 Aluminum 7075-T6 Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Steel Steel AISI 1018 Steel AISI 1045 Steel AISI 4340 Steel A992 Iron Titanium Titanium Ti-6Al-4V Stainless 304 Stainless 316 Stainless 303 Stainless 17-4PH Brass C360 Brass C260 Copper C110 Glass Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Standard SLA Resin Tough 2000 SLA Resin Elastic 50A SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Concrete Brick Plywood Drywall Plastic PEEK Bulk polymer (molded or machined) Try it on a partA sample part to run stress or thermal on, free in your browser Open in LessCAD Open in LessCAD Mechanical Yield strength not sourced 98 MPa source typical, tensile yield Ultimate tensile strength not sourced not sourced Compressive strength 27.6 MPa source specified compressive strength class (f'c), not a measured typical 125 MPa source typical, 23 C Flexural strength not sourced 165 MPa source typical, flexural stress at yield, 23 C Elongation at break not sourced 25 % source typical, at break Young's modulus (stiffness) not sourced 4 GPa source typical (nominal) Density 2,240–2,400 kg/m³ source range for normalweight concrete 1,300 kg/m³ source typical (crystalline) Strength to weight not sourced 75.4 kN·m/kg Stiffness to weight not sourced 3.08 MN·m/kg Poisson's ratio 0.15–0.2 source general range at normal ambient conditions (overall 0.11-0.32) 0.38 source typical Shear modulus not sourced 1.45 GPa Bulk modulus not sourced 5.56 GPa Speed of sound not sourced 1,754 m/s Thermal Thermal conductivity 0.9 W/m·K source typical (comparative value) 0.29 W/m·K source typical, average, 23 C Thermal expansion 8–12 µm/m·K source typical range for portland cement concrete (aggregate dependent) 55 µm/m·K source average of flow/cross-flow, below Tg (<143 C) 100 mm part over a 50 °C swing 50 µm growth 5.5x less 275 µm growth Specific heat 900 J/kg·K source typical (NIST guidance for thermal analysis) 2,200 J/kg·K source typical, 23 °C, DSC (Victrex PEEK 450G TDS, revision Jul 2012) Heats up and cools (diffusivity) 0.431 mm²/s 4.25x faster 0.101 mm²/s Thermal shock resistance not sourced 80.1 W/m Melting point not sourced 343 °C source typical, DSC Glass transition not sourced 143 °C source onset (midpoint 150 C) Max service temperature 65 °C source code long-term temperature limit (ASME Code, concrete containments) 240 °C source UL 746B RTI, mechanical strength (continuous use index) Values for Normal-weight portland cement concrete, strength class f'c = 4000 psi (28 MPa) per NRMCA CIP 35; density NRMCA CIP 36; thermal conductivity USDA FPL Wood Handbook; service temperature ORNL/NRC review Victrex PEEK 450G (unreinforced, injection moulded), Victrex TDS rev. March 2026; Poisson from Victrex fluid-management flyer (2020-07)
Every value links to the document that states it. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.
Questions Which is lighter, Concrete or Plastic PEEK? Plastic PEEK is lighter: 1,300 kg/m³ against 2,320 kg/m³ for Concrete.
Which conducts heat better, Concrete or Plastic PEEK? Concrete conducts heat better: 0.9 W/m·K against 0.29 W/m·K for Plastic PEEK.
Which expands less with temperature? Concrete expands less: 10 µm/m·K against 55 µm/m·K for Plastic PEEK.
Among 59 materials 1k 10k 0.1 1 10 100 Density (kg/m³) Young's modulus (GPa) Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Aluminum Steel Iron Titanium Steel AISI 1018 Stainless 304 Stainless 316 Aluminum 6061-T6 Aluminum 7075-T6 Brass C360 Copper C110 Glass Steel AISI 1045 Steel AISI 4340 Steel A992 Stainless 303 Stainless 17-4PH Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Titanium Ti-6Al-4V Brass C260 Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Tough 2000 SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Plastic PEEK Stiffness against density 1k 10k 10 100 1k Density (kg/m³) Yield strength (MPa) Plastic PLA Plastic PETG Plastic ABS Plastic TPU Plastic Nylon Rubber Aluminum Steel Iron Titanium Steel AISI 1018 Stainless 304 Stainless 316 Aluminum 6061-T6 Aluminum 7075-T6 Brass C360 Copper C110 Glass Steel AISI 1045 Steel AISI 4340 Steel A992 Stainless 303 Stainless 17-4PH Aluminum 2024-T351 Aluminum 5052-H32 Aluminum 7050-T7451 Titanium Ti-6Al-4V Brass C260 Nickel Inconel 718 Magnesium AZ31B-H24 Zinc Zamak 3 Plastic ABS (bulk/injection) Plastic Polycarbonate Plastic POM/Acetal Plastic Nylon PA6 Plastic Nylon PA66 Plastic PTFE Plastic UHMWPE Plastic HDPE Plastic Polypropylene Plastic PMMA FDM ASA FDM Polycarbonate FDM PAHT-CF FDM HIPS SLA Resin Tough 2000 SLA Resin Elastic 50A SLS PA12 Nylon DMLS AlSi10Mg Aluminum DMLS Ti-6Al-4V ELI Titanium DMLS 316L Stainless Steel DMLS 17-4PH Stainless Steel Brick Plastic PEEK Strength against density