PCL vs. Thermoset PI

PCL belongs to the thermoplastics classification, while thermoset PI belongs to the thermoset plastics. There are 8 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

For each property being compared, the top bar is PCL and the bottom bar is thermoset PI.

Polycaprolactone (PCL)Thermoset Polyimide (PI)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		1.1
Density, g/cm³		1.4 to 1.6

Elongation at Break, %		300
Elongation at Break, %		2.0 to 5.9

Glass Transition Temperature, °C		-60
Glass Transition Temperature, °C		360

Maximum Temperature: Decomposition, °C		200
Maximum Temperature: Decomposition, °C		330

Maximum Temperature: Mechanical, °C		40
Maximum Temperature: Mechanical, °C		260

Strength to Weight: Axial, points		2.5
Strength to Weight: Axial, points		6.5 to 16

Strength to Weight: Bending, points		9.4
Strength to Weight: Bending, points		16 to 30

Tensile Strength: Ultimate (UTS), MPa		10
Tensile Strength: Ultimate (UTS), MPa		37 to 81

PCL vs. Thermoset PI

Material Properties

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