Unplasticized Polyvinyl chloride (UPVC)

Alternative and trade names
Formolon®, Inovyn™, Smokeguard®, Vestolit®, Vinnolit


Stiff, strong with good chemical resistance (except sttress cracking in solvents). It has good barrier properties and UV resistance.



Density ρ

1.38 - 1.4 g/cm³ at 20 °C


Elastic modulus E

2.2 - 3.3 GPa at 20 °C

Elongation A

10 - 60 % at 20 °C

Impact strength, Charpy notched Ivnot

2 - 50 kJ/m² at 20 °C

Impact strength, Charpy unnotched Iunnot

20 kJ/m² at 20 °C

no break

Max allowed stress σmax

30 - 60 MPa at 20 °C

at 4-6% strain


Coefficient of thermal expansion α

6E-5 - 8E-5 1/K at 20 °C


UL 94 V0

Max service temperature, long Tmaxlong

65 - 70 °C

Max service temperature, short Tmaxshort

75 - 90 °C

Specific heat capacity cp

850 - 900 J/(kg·K) at 20 °C

Thermal conductivity λ

0.14 - 0.17 W/(m·K) at 20 °C


Dielectric constant εr

3.5 [-] at 20 °C

Electrical resistivity ρel

1.00E+13 Ω·m at 20 °C

Technological properties

Application areas

Pipes, window profiles, furniture

Processing methods

Injection molding, blow molding, extrusion, thermoforming

This material data has been provided by M-Base.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.