Materials / Compare
Concrete vs. Plastic POM/Acetal Compare Concrete vs. Plastic POM/Acetal strength, stiffness, weight and thermal properties.
Change either side
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 POM/Acetal 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 69 MPa source typical (single ASTM D638 tensile strength) Ultimate tensile strength not sourced 69 MPa source typical Compressive strength 27.6 MPa source specified compressive strength class (f'c), not a measured typical 124 MPa source compressive stress at 10% deformation Flexural strength not sourced 99 MPa source flexural yield strength, typical Elongation at break not sourced 75 % source typical Young's modulus (stiffness) not sourced 2.8 GPa source typical Density 2,240–2,400 kg/m³ source range for normalweight concrete 1,420 kg/m³ source typical (DuPont product information for Delrin 100 NC010; 'The data listed here fall within the normal range of product properties') Strength to weight not sourced 48.6 kN·m/kg Stiffness to weight not sourced 1.97 MN·m/kg Poisson's ratio 0.15–0.2 source general range at normal ambient conditions (overall 0.11-0.32) 0.35 source typical Shear modulus not sourced 1.04 GPa Bulk modulus not sourced 3.11 GPa Speed of sound not sourced 1,404 m/s Thermal Thermal conductivity 0.9 W/m·K source typical (comparative value) 0.4 W/m·K source typical Thermal expansion 8–12 µm/m·K source typical range for portland cement concrete (aggregate dependent) 122 µm/m·K source mean, 29 to 60 °C 100 mm part over a 50 °C swing 50 µm growth 12.2x less 610 µm growth Specific heat 900 J/kg·K source typical (NIST guidance for thermal analysis) 1,465 J/kg·K source average -18 to 100 °C, Delrin acetal resins (not grade-specific) Heats up and cools (diffusivity) 0.431 mm²/s 2.24x faster 0.192 mm²/s Thermal shock resistance not sourced 52.5 W/m Melting point not sourced 175 °C source crystalline melting point Max service temperature 65 °C source code long-term temperature limit (ASME Code, concrete containments) 125 °C source HDT 1.8 MPa (annealed) 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 DuPont Delrin 100 acetal homopolymer, Table 2 'Typical Properties of Delrin Acetal Resins' (ASTM methods), Delrin Design Guide Module III hosted on delrin.com
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 POM/Acetal? Plastic POM/Acetal is lighter: 1,420 kg/m³ against 2,320 kg/m³ for Concrete.
Which conducts heat better, Concrete or Plastic POM/Acetal? Concrete conducts heat better: 0.9 W/m·K against 0.4 W/m·K for Plastic POM/Acetal.
Which expands less with temperature? Concrete expands less: 10 µm/m·K against 122 µm/m·K for Plastic POM/Acetal.
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 Nylon PA6 Plastic Nylon PA66 Plastic PEEK 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 POM/Acetal 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 Nylon PA6 Plastic Nylon PA66 Plastic PEEK 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 POM/Acetal Strength against density