Elastomere Materials

Density g/cm³

1.5-1.7

1.2-1.3

1.3-1.55

1.3-1.5

1.4-1.65

1.3-1.6

Breakdown Voltage KV/mm (20^oC)

20

20

20

30

20

25

Specific Volume Resistivity Ω cm (20^oC)

10¹²-10¹⁵

10¹⁵

10¹⁴

10¹²

10¹⁰

10¹²

Dielectric Constant 50 Hz (20^oC)

3-5

3-4

3-3.8

5-6.5

6-8.5

6-9

Dielectric Loss Factor (tan δ)

1.9 x 10^-2

6x 10^-3

3.4 x 10^-3

2 x 10^-2

5 x 10^-2

2.8 x 10^-2

Working 
Temperature

Permanent ^oC

-65 +60

-60 +180

-30 +90

-30 +125

-40 +100

-30 +80

Short Time ^oC

+120

+260

+160

+200

+140

+140

Melt  Temperature +^oC

-

-

-

-

-

+160

Flame Resistance

Flammable

High Flash Point

Flammable

Flammable

Self 
Extinguishing

Self 
Extinguishing

Oxygen Index LOI (% O2)

≤22

25-35

≤22

≤22

30-35

30-35

Heating Value H₀ MJ.kg^-1

21-25

17-19

21-25

19-23

14-19

19-23

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

-

0.22

-

-

-

-

Corrosive Gases In Case Of Fire

No

No

No

No

Hydrogen Chloride

Hydrogen Chloride

Radiation Resistance max Mrad

100

50

200

100

50

50

Tensile Strength N/mm²

5-10

5-10

5-10

8-12

10-20

10-20

Elongation At Break %

300-600

300-600

200-400

250-350

400-700

350-600

Shore Hardness

60-70 (A)

40-80 (A)

65-85 (A)

70-80 (A)

55-70 (A)

60-70 (A)

Abrasion Resistance

Moderate

Moderate

Moderate

Moderate

Medium

Medium

Water Absorption %

1.0

1.0

1.0

1.0

1.0

1.5

Halogen Free

No

Yes

Yes

Yes

No

No

Weather Resistance

Moderate

Good

Very Good

Good

Very Good

Very Good

Cold Resistance

Very Good

Very Good

Good

Good

Moderate

Moderate