Properties of Neoprene (CPR)

Neoprene (CPR) is a versatile synthetic elastomer prized for its resilience, flexibility, and resistance to oils, chemicals, heat, and environmental degradation. It is widely used in applications such as wetsuits, automotive parts, and protective gear.

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The following table provides a comprehensive list of neoprene (CPR) properties in both SI and US customary/Imperial units at normal temperature and pressure (NTP).

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Table of Neoprene Properties
Physical Properties
Metric
CategoryElastomer
Density1230 - 1250 kg/m3
Mechanical PropertiesMetric
Yield Tensile Strength3.4 - 24.1 MPa
Young’s Modulus (E)0.7 - 20 GPa
Elongation at Break100 - 800%
Shore Hardness (A)30 - 95
Thermal PropertiesMetric
Melting Point80 °C
Thermal Conductivity0.192 W/m·K
Specific Heat Capacity (Cp)2170 J/kg·K
Glass Transition Temperature (Tg)-50 °C
Electrical PropertiesMetric
Relative Permittivity (@1 MHz) (εr)2.0 - 6.3
Electrical Resistivity1011 Ω·cm

Unless stated otherwise, all values are taken at room temperature (approximately 20°C or 68°F) and 1 atm pressure. (1 atm = 101,325 Pa)

Related Pages
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018. 2) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 3) A.M. Howatson, P.G. Lun, J.D. Todd, P.D. Engineering Tables and Data. United Kingdom: University of Oxford, Department of Engineering Science, 2009.