CA vs. EVA

Both CA and EVA are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is CA and the bottom bar is EVA.

Cellulose Acetate (CA)Ethylene Vinyl Acetate (EVA)

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, %		25 to 30
Elongation at Break, %		300 to 800

Tensile Strength: Ultimate (UTS), MPa		30 to 37
Tensile Strength: Ultimate (UTS), MPa		3.0 to 35

Thermal Properties

Maximum Temperature: Decomposition, °C		250
Maximum Temperature: Decomposition, °C		450

Specific Heat Capacity, J/kg-K		1500
Specific Heat Capacity, J/kg-K		1400

Thermal Conductivity, W/m-K		0.25
Thermal Conductivity, W/m-K		0.34

Vicat Softening Temperature, °C		100 to 110
Vicat Softening Temperature, °C		45 to 80

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm		15
Dielectric Strength (Breakdown Potential), kV/mm		21

Otherwise Unclassified Properties

Density, g/cm³		1.3
Density, g/cm³		0.93 to 1.0

Common Calculations

Strength to Weight: Axial, points		6.4 to 7.9
Strength to Weight: Axial, points		0.87 to 10

Strength to Weight: Bending, points		17 to 19
Strength to Weight: Bending, points		4.8 to 26

Thermal Diffusivity, mm²/s		0.13
Thermal Diffusivity, mm²/s		0.25 to 0.26