Jingning Qiangke butyl rubber anti-corrosion double sided tape

PROPERTIES

UNIT

TEST METHOD

Inner layer-3ply tape

POLYKEN 942-32

Total Thickness

mil

ASTM D 1000

32mil(0.8mm)

Tensile strength

N/cm

ASTMD1000

112

Elongation at break

%

ASTMD1000

650

Peel strength to primed steel at 23 ℃

at 50℃

N/cm

EN 12068

Annex C

15

1.3

Peel strength tape to tape

at 23 ℃                         at 50℃

N/cm

EN 12068

Annex B

25

3.5

Peel strength layer to layer

-Inner to Inner

-Outer to Inner

-Outer to Outer

N/mm

EN 12068

1.5

2.0

0.5

Dielectric strength

Kv/mm

ASTMD149

32

Insulation    Resistance

Ohm.m²

EN 12068

10¹²

Water Vapor Transmission

g/ m² /24h

ASTM E 96

0.1

Water Absorption

%

ASTM D 570

0.08

Impact resistance     at 23°

J

EN 12068

18

Cathodic disbandment at 23°c

at 50°c

mm

EN 12068

15

30

Lap shear strength   at 50℃

N/mm²

EN 12068

0.05