Density g/cm³

1.35 - 1.5

1.3-1.5

1.3-1.5

1.2-1.

Breakdown Voltage KV/mm (20^oC)

25

25

25

25

Specific Volume Resistivity Ω cm (20^oC)

10¹³-10¹⁵

10¹²-10¹⁵

10¹²-10¹⁵

10¹²-10¹⁵

Dielectric Constant 50 Hz (20^oC)

3.6-6

4-6.5

4.5-6.5

4.5-6.5

Dielectric Loss Factor (tan δ)

4 x 10^-2 to 1 x 10^-1

4 x 10^-2 to 1 x 10^-1

4 x 10^-2 to 1 x 10^-1

4 x 10^-2 to 1 x 10^-1

Working 
Temperature

Permanent ^oC

-30 +70

-20 +90

-20 +105

-40 +70

Short Time ^oC

+100

+120

+120

+100

Melt  Temperature +^oC

>140

>140

>140

>140

Flame Resistance

Self Extinguishing

Self Extinguishing

Self Extinguishing

Self Extinguishing

Oxygen Index LOI (% O2)

23-42

23-42

24-42

24-42

Heating Value H₀ MJ.kg^-1

17-25

16-22

16-20

17-24

Thermal Conductivity W.K^-1.m^-1

0.17

0.17

0.17

0.17

Corrosive Gases In Case Of Fire

Hydrogen Chloride

Hydrogen Chloride

Hydrogen Chloride

Hydrogen Chloride

Radiation Resistance max Mrad

80

80

80

80

Tensile Strength N/mm²

10-25

10-25

10-25

10-25

Elongation At Break %

130-350

130-350

130-350

130-350

Shore Hardness

70-95 (A)

70-95 (A)

70-95 (A)

70-95 (A)

Abrasion Resistance

Medium

Medium

Medium

Medium

Water Absorption %

0.4

0.4

0.4

0.4

Halogen Free

No

No

No

No

Weather Resistance

Medium 
(Black: Good)

Medium 
(Black: Good)

Medium 
(Black: Good)

Medium 
(Black: Good)

Cold Resistance

Moderate - Good

Moderate - Good

Moderate - Good

Very  Good