JINING XUNDA PIPE COATING MATERIALS CO.,LTD

Products > Pipe Inner Wrapping Tape > > inner wrap 3 ply double sided adhesive tape for the pipe-line
Product name : inner wrap 3 ply double sided adhesive tape for the pipe-line
Film : Polyethylene
Adhesive : Butyl rubber
Release paper : YES
Standard : En 12068
Storage life : 24 months
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Details:
Inner Wrap Three - ply tape double sided adhesive consisting of a stabilised polyethylene backing with plastic butyl on both sides. The consistency of the butyl on the one side should be formulated in such a way that, under tension, it flows on uneven steel surfaces. To facilitate correct application, this butyl is a grey colour. The grey butyl layer of the tape face the steel and this should always be the thicker layer of butyl rubber.

Technical Data for Inner wrap 3 ply double sided adhesive

NO.

Item

Unit

Requirement

Test result

Test method

Conclusion

1

Total Thickness

mm

≥ 0.76

0.78

ASTM D1000

Qualified

2

Carrie film thickness

mm

≥ 0.30

0.30

ASTM D1000

Qualified

3

Internal Adhesive thickness

mm

≥ 0.30

0.31

ASTM D1000

Qualified

4

External adheisve thickness

mm

≥ 0.16

0.17

ASTM D1000

Qualified

5

Tensile  strength

N/mm

≥ 7.0

7.9

ASTM D 1000

Qualified

6

Elongation at break

%

≥ 200

420

ASTM D 1000

Qualified

7

Peel adhesive strength to

pipe surface at 23˚C

N/mm

≥ 0.75

2.70

EN 12068

Qualified

8

Peel strength inner to inner

Tape    at 23 ˚C                                   

N/mm

≥ 1.50

2.00

EN 12068

Qualified

9

Impact resistance at 23˚C

J

≥ 15

15

EN 12068

Qualified

10

Indentation Resistance at 50˚C

mm

≥ 0.60

1.26

EN 12068

Qualified

11

Specific electrical insulation resistance

Ohm.m2

≥108

1X 1010 

EN 12068

Qualified

12

Cathodic Disbondment

Mm radius

15

7

EN 12068

Qualified


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