PAR vs. PVF

Both PAR and PVF are thermoplastics. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is PAR and the bottom bar is PVF.

Polyarylate (PAR)Polyvinyl Fluoride (PVF)

Metric UnitsUS Customary Units

Mechanical Properties

Flexural Strength, MPa		75
Flexural Strength, MPa		90

Impact Strength: Notched Izod, J/m		220
Impact Strength: Notched Izod, J/m		100

Rockwell R Hardness		130
Rockwell R Hardness		83

Tensile Strength: Ultimate (UTS), MPa		67
Tensile Strength: Ultimate (UTS), MPa		65

Thermal Properties

Glass Transition Temperature, °C		190
Glass Transition Temperature, °C		-20

Heat Deflection Temperature At 1.82 MPa (264 psi), °C		170
Heat Deflection Temperature At 1.82 MPa (264 psi), °C		90

Maximum Temperature: Decomposition, °C		470
Maximum Temperature: Decomposition, °C		360

Specific Heat Capacity, J/kg-K		1200
Specific Heat Capacity, J/kg-K		1300

Thermal Conductivity, W/m-K		0.18
Thermal Conductivity, W/m-K		0.13

Thermal Expansion, µm/m-K		88
Thermal Expansion, µm/m-K		100

Otherwise Unclassified Properties

Density, g/cm³		1.2
Density, g/cm³		1.4

Limiting Oxygen Index (LOI), %		35
Limiting Oxygen Index (LOI), %		23

Common Calculations

Strength to Weight: Axial, points		16
Strength to Weight: Axial, points		13

Strength to Weight: Bending, points		31
Strength to Weight: Bending, points		26

Thermal Diffusivity, mm²/s		0.13
Thermal Diffusivity, mm²/s		0.071

PAR vs. PVF

Mechanical Properties

Thermal Properties

Otherwise Unclassified Properties

Common Calculations

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