Property name

Standardized property value

1.Density, g/cm3，no less than, at rated thickness of a vulcanized fiber, mm

0.40-0.80

1.00-3.00

3.50-5.00

1.15

1.20

1.2

2.Tensile strength, MPa, in a machine direction, no less than, at rated thickness of a vulcanized fiber mm:

0.40-0.80

1.00-2.00

2.50-3.00

3.50-5.00

in crosswise direction, no less than, at rated thickness of a vulcanized fiber mm:

0.40-0.80

1.00-2.00

2.50-3.00

3.50-5.00

70-90

70-90

75

60

40-50

40-50

44

34

3.Electric strength, KV/mm no less than, at rated thickness of a vulcanized fiber mm:

0.40-0.80

1.00-3.00

3.50-5.00

12

5-5,5

3,5

4.Pasting, N/m, no less than, at rated thickness of a vulcanized fiber mm:

0.40-0.80

1.00-5.00

230

270

5.Mass share of zinc chloride, %, no more than

0.2