EFALON^® TECHNICAL VALUES

Unit

Virgin

Glass-filled

Carbon-filled

Density, 23°C

gr/cm³

D792

2.1-2.2

2.15-2.25

2.2-2.3

2.05-2.15

2.0-2.1

3.05-3.15

3.8-4.0

Tensile Strength at Break

Kg/cm²

D638

140-380

175-260

150-240

110-210

110-160

150-280

140-220

Elongation at Break 23°C

%

D638

200-400

250-280

200-270

70-110

55-90

120-280

110-220

Compression Stress
(1% Deformation) 23°C

Kg/cm²

D695

45-50

60-65

65-70

85-110

95-120

100-105

105-110

Deformation Under Load (140 kg/cm², 24 hours, 23°C)

%

D621

Total Deformation

14-16.8

11-15

9.5-13.5

2.9-4.8

2.3-4.3

3.8-4.9

3.7-4.8

Permanent Deformation

7.5-8.5

6-8

4-8

0.4-2.1

0.3-1.8

1.4-2.1

1.5-2

Total Deformation Under Weight

%

10 kg/cm² load, 150°C, 24 hours

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2.8-3

2.6-2.8

1.8-2

1.3-1.5

1.1-1.2

1-1.1

50 kg/cm² load, 150°C, 24 hours

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18-19

15-16

8-9

5-6

10-11

9-10

Impact Resistance (Izod, notched)

Kj/m²

D256

15.5-16.5

14-15.5

12-15

8.5-9

11-12

10-11

Hardness

Shore D

D2240

54-60

60-64

64-68

65-68

66-70

64-68

65-70

Physical Properties

Coefficient of Friction, Static

0.04

0.05

0.07

0.11

0.13

0.06

0.07

Coefficient of Friction, Dynamic

0.06

0.06

0.09

0.12

0.16

0.12

0.13

PV Limits

Kg.cm      Cm².min

3 m/min.

23-25

210-215

215-220

220-230

220-230

250-270

300-320

30 m/min.

37-40

250-270

270-300

250-400

250-400

350-380

390-400

300 m/min.

52-56

310-320

330-340

300-450

300-500

400-500

450-550

Thermal Properties

Specific Heat

Kcal/kg.°C

0.23-0.25

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Heat Conductivity (x10^-4) 30°C

Cal/cm.sn.°C

5.5-6

8-9

10-11

15-17

19-21

17-20

17-20

Coefficient of Linear Thermal Expansion (x10^-5)

°C^-1

D696

25°C-100°C

12.5-16

12-14.5

7-11.5

9.5-10

7.5-8

8-9.5

7.5-9

25°C-200°C

15-19

9-16

7.5-14

11-12

9-11

9.5-11

10-11.5

25°C-300°C

21.5-25

15-18

8.5-18

13-15

12-14

12.5-13.5

13-14

Minimum Allowable Service Temperature in air-Continuous

°C

-260

-260

-260

-260

-260

-260

-260

Maximum Allowable Service Temperature in air-Continuous

°C

+270

+270

+270

+270

+270

+270

+270

Electrical Properties

Electric Strength 0.1mm, Short-term

Kv/mm

D149

40-80

16-19

13-16

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Relative Permittivitiy, 50Hz–10⁷Hz

D150

2-2.1

2.3-2.5

2.5-2.8

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Volume Resistivity, 23°C

Ohm-cm

D257

>10¹⁸

>10¹³

>10¹³

>10³

>10²

>10⁸

>10⁷

Surface Resistivity, 23°C 50%
Relative Humidity

ohm

D257

>10¹⁶

>10¹⁵

>10¹⁵

>10⁷

>10⁴

>10¹⁰

>10⁹

Dielectric Loss Factor,
50 Hz, 23°C (dry)

D150

0.00005

0.00075

0.0007

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