PCTFE vs. CR Rubber

PCTFE belongs to the thermoplastics classification, while CR rubber belongs to the thermoset elastomers (rubber). There are 13 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is PCTFE and the bottom bar is CR rubber.

Polychlorotrifluoroethylene (PCTFE)Chloroprene Rubber (CR, Neoprene)

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, %		150
Elongation at Break, %		380

Tensile Strength: Ultimate (UTS), MPa		36
Tensile Strength: Ultimate (UTS), MPa		11

Thermal Properties

Glass Transition Temperature, °C		100
Glass Transition Temperature, °C		-45

Maximum Temperature: Autoignition, °C		580
Maximum Temperature: Autoignition, °C		410

Maximum Temperature: Decomposition, °C		370
Maximum Temperature: Decomposition, °C		350

Maximum Temperature: Mechanical, °C		150
Maximum Temperature: Mechanical, °C		130

Specific Heat Capacity, J/kg-K		920
Specific Heat Capacity, J/kg-K		1120

Thermal Conductivity, W/m-K		0.21
Thermal Conductivity, W/m-K		0.19

Otherwise Unclassified Properties

Density, g/cm³		2.1
Density, g/cm³		1.5

Limiting Oxygen Index (LOI), %		80
Limiting Oxygen Index (LOI), %		26

Common Calculations

Strength to Weight: Axial, points		4.6
Strength to Weight: Axial, points		1.9

Strength to Weight: Bending, points		11
Strength to Weight: Bending, points		7.1

Thermal Diffusivity, mm²/s		0.11
Thermal Diffusivity, mm²/s		0.11

PCTFE vs. CR Rubber

Mechanical Properties

Thermal Properties

Otherwise Unclassified Properties

Common Calculations

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