Material center

KUNSHAN DE HAO ELECTRONIC TECHNOLOGY CO.,LTD

PROPERTIES OF INSULATORS

Property

Experimental methods and conditions

PTFE

PCTFE

POM

PEEK

PEEK GF30%

PA66

Ultem 1000 (PEI)

Torlon 4203L (PAI)

PPO

PS (Rexolite 1422)

TPX

PHYSICAL

Specific Gravity (g/cm3)

D792

2.13-2.22

2.1-2.14

1.42

1.31

1.54

1.15

1.28

1.42

1.08

1.05

0.833

Water Absorption (%)

D570/24H

<0.00

<0.00

0.25

0.1

0.1

0.3

0.25

0.33

0.07

0.0008

0.01

Molding Shrinkage (cm/cm)

0.02-0.05

0.015-0.020

2.0-2.5

0.3-0.8

0.6-0.8

1.5-1.1

THERMAL

Thermal Conductivity

C177

2.5 W/(M.K)

2.2 W/(M.K)

3.1 W/(M.K)

3.02 W/(M.K)

5.15 W/(M.K)

2.94 W/(M.K)

1.56 W/(M.K)

0.26 W/(M.K)

1.75 W/(M.K)

Coefficient of Linear Thermal Expansion (1/℃)

D696 (23-60℃)

10*10-5

(4.5-7.0)*10-5

12.2*10-5

2.6*10-5

1.2*10-5

5.5*10-6

3.1*10-5

3.1*10-5

3.3*10-5

3.8*10-5

1.17*10-4

Melting Point (℃)

D4591

327±10

212

175

340

340

260

340-400

280

268

180-280

222at MCI

Heat Deflection Temp. (℃)

D648 at 1.8MPa

55

126

104

160

315

93

200

278

129

93at 0.43MPa

Max Operating Temp. (℃)

No load

260

132

110

249

249

120

180

250

95

100

MECHANICAL

Tensile Strength (Mpa)

D638/23℃

20-45

31-41

69

110

110

79.3

113.8

186

66

62

10

Elongation (%)

D638/23℃

200-450

80-250

15

20

3

50

80

15

30

60

Compressive Strength (Mpa)

D695/1%,25℃

5-6

9-12

35

118

179

86

157.1

221

Tensile Spring Rate (Mpa)

D638/23℃

392

1029-2058

3360

20

2931

3275.8

5000

2413

25

Flexural Spring Rate (Mpa)

D790/23℃

490-588

1274-1764

3090

172

193

3103

137.9

241

2482

79.3

27

Impact Strength (J/M)

D256/23℃ IZOD

160

133-144

81

53.4

74.7

32

26.7

140

266

16

9.6

Hardness

D50-D65

D80

D85

M100

M103

M85

M112

M119

R42

ELECTRICAL

Dielectric Constant

D150/60 Hz

2.1

2.3-2.7

3.7

3.6

4.2

2.7

2.12

D150/106 Hz

2.1

2.3-2.5

3.7

3.3

3.7

3.15

3.9

2.53

2.12

Dissipation Factor

D150/60 Hz

<1*10-5

(2.3-2.7)*10-2

2*10-2

2.6*10-3

1*10-3

D150/106 Hz

<2*10-5

1*10-2

0.005

3*10-3

5*10-3

1.3*10-3

3.1*10-2

6.6*10-4

0.016

Dielectric Strength (MV/m)

D149,3.2 mm

1.9

20-24

19.7

18.89

19.69

15.75

32.68

24

19.685

19.685

63

Volume Resistivity (Ω-cm)

D257

>1018

>1016

1*1015

4.9*1016

5.0*1017

>1013

6.7*1017

2*1017

1*1017

>1016

1*1016

OTHERS

Flame-Retardant

UL94

V-0

V-0

V-HB

V-0

V-0

V-2

V-0

V-HB