Specification

Unit

Index values

Nominal thickness

mm

0.18

0.2

0.23

0.25

0.3

0.35

0.4

0.45

Thickness tolerance

mm

±0.025

±0.030

±0.030

±0.030

±0.030

±0.035

±0.040

±0.045

Nominal quatify & tolerance

g/m 3

170±25

200±30

220±33

250±37

300±45

340±45

400±57

470±66

Nominal thickness of the film

µ m

50

75

75

100

125

150

190

250

Tensile strength (Not less than)

Longititudinal

Non-bending

N/10mm Width

100

120/130

130

150/160

170/190

200/220

300/

340/

After bent

90

105

115

130

150

180

220

300

Latitudinal

Non-bending

90

105/105

115

130/130

150/150

180/180

220/

300

After bent

70

95

100

120

130

160

200

220

Extension rate (not less than)

Longititudinal

Non-bending

%

10/

10/10

10/

10/10

/-

/-

/

/

After bent

10/

10/

10/

10/

5/

5/

3/

3/

Latitudinal

Non-bending

15/

15/15

15/

15/15

/-

/-

/

/

After bent

15/

15/

15/

15/

5/

5/

2/

2/

Breakdown voltage (not less than)

KV

7

8/8

8

10/9

11/11

13/13

16

19

Viscosity in normal condition

--

No stratication

155±2 °C 10min/Viscosity at 155±2 °C for 10min

--

No stratication,no bister,no effluent glue