Property

Unit

Test method
DIN ISO VDE* IEC*

Condition
of
specimen

 PA6

PA6.6

POM-C

PETP

PETP+solid
lubricant

MECHANICAL PROPERTIES

N/mm²

53455 527

dry

80

80

70

80

75

N/mm²

53455 527

moist

50

60

-

-

-

Elongation at break

%

53455 527

dry

50- 100

50

40

20

5

%

53455 527

moist

200

150

-

-

-

Modulus of elasticity in tension

N/mm²

53452 178

dry

3000

3200

3000

3200

2230

N/mm²

53452 178

moist

1500

1600

-

-

-

Impact strength

+ 23°C

kJ/m²

53453 179

dry

no break

no break

no break

82

23

- 40°C

kJ/m²

53453 179

dry

no break

no break

80-no break

-

-

kJ/m²

53753 -

dry

70

80

-

14

10

kJ/m²

53753 -

moist

no break

no break

-

-

-

method A

+ 23°C

J/m

- 180

dry

85

40

-

-

-

- 40°C

J/m

- 180

dry

35

30

-

-

-

housing ²⁾ W ₅₀

+ 23°C

N*m

53443 -

dry

> 140

> 140

-

80

-

- 20°C

N*m

55443 -

dry

45

50

-

-

-

Ball indentation hardness ³⁾ H 358/30

N/mm²

53456 2039

dry

150

160

160

-

-

N/mm²

53456 2039

moist

70

100

-

-

-

Time yield limit s _1/1000

23°C/50% RH

N/mm²

53444 899

moist

5.5

6.0

14

12

-

100°C

N/mm²

53444 899

dry

2.5

3.5

-

-

-

Apparent modulus E _{C/1000 2O}

23°C/50% RH

N/mm²

53444 899

moist

230

400

-

-

-

THERMAL PROPERTIES

ISO 75

Method A

°C

53461 75

dry

55 – 75

100

110

67

-

Method B

°C

53461 75

dry

> 160

> 200

160

165

-

Melting point

Method A

°C

53736 1218

-

220

255

164-168

255

-

Maximum service temperature for few hours operation

°C

- -

-

£ 180

£ 200

-

160

160

TEP 5 000 hours (50% of tensile strength)

°C

53446 216*

-

90

95

-

115

115

TEP 20 000 hours (50% of tensile strength)

°C

53446 216*

-

75

80

100

100

100

Thermal coefficient of linear expansion

1/K.10^-5

53752 -

dry

7– 10

7– 10

11

6

6

Thermal conductivity

Method A

W/(K.m)

53612 -

dry

0.23

0.23

-

-

-

Specific heat

J/(g.K)

52612 -

dry

1.7

1.7

1.5

-

-

DIELECTRIC PROPERTIES

Dielectric constant

1 MHz

-

53483 250*

dry

3.5

3.2

3.8

3.3

-

-

53483 250*

moist

7.0

5.0

-

-

-

Dissipation factor tan d

1 MHz

-

53483 250*

dry

0.023

0.026

0.024

0.02

-

-

53483 250*

moist

0.3

0.2

-

-

-

Dielectric strength

KV/mm

53481 243*

dry

100

120

> 55

50

-

KV/mm

0303T2* 243*

moist

60

80

-

-

-

Volume resistivity

W .cm

53482 167*

dry

10¹⁵

10¹⁵

10¹⁵

10¹⁶

W .cm

53482 167*

moist

10¹²

10¹²

-

-

-

Surface resistivity ROA

W

53482 167*

dry

10¹³

10¹³

-

-

-

W

53482 167*

moist

10¹⁰

10¹⁰

-

-

-

Resistance to tracking

KA/ KB method

-

53480 112*

dry/moist

KB > 600

KB >600

KB >600

KA >450

-

KC method

-

0303T1* 112*

dry/moist

KC > 600

KC > 600

-

KC > 600

-

MISCELLANEOUS PROPERTIES

Mass density

Method D, E

g/cm³

55479 1183

dry

1.13– 1.15

1.13– 1.15

1.41-1.43

1.36

1.38

Moisture absorption at 23°C, 50% RH

Saturation

%

53714 1110

-

3.0± 0.4

2.8± 0.3

0.20

~ 0.23

~ 0.23

Water absorption at 23 °C

Saturation

%

53495 62

-

9.5± 0.5

8.5± 0.5

0.25

~ 0.5

~ 0.5

Fire performance

VDE

0304T3* -

dry

II b

II b

25mm/min

II b

-

(rate of flame propagation)

mm/min

75200 -

moist

< 100

< 100

-

< 100

-

(thickness of specimen 1,6 mm)

-

- -

-

94 V-2/HB

94 V-2

94 HB

94 HB

94 HB

Resistance to wear ⁴⁾

m m/km

7148-2

dry

-

-

-

22

1.1