Item

Thickness
(mm)

Thickness
Allowance

Width(mm)

Width
allowance

Length
(m)

High-density

0.030~0.100

±10%

30~90

±0.3

≥10

Semi-density

0.050~0.100

±10%

60~90

±0.3

≥5

Common

0.050~0.500

±10%

60~90

±0.3

≥5

Technical data

unit

High-density

Semi-density

Common

Tensile strength≥0.01

Mpa

≥30

≥20

≥10

Elongation at rupture

%

≥30

≥60

≥100

1MHZ dielectric loss
Tangent≥0.01

2.5x104

-

-

1MHZ dielectric constant

1.8~2.2

-

-

Dc breakdown voltage
(normal temperature)

Kv/mm

200

60

30