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System Description
Black pipeline coating tape is a cold applied tape coating system designed for the corrosion protection of field joints, fittings, and specialty piping. The tape with very tacky adhesive has a release plastic liner to enable proper unwinding of the roll. Whether used as a single wrap with a mechanical layer or a double wrap system, the Polyken934 tape coating system is universally specified in the oil, gas and water industries
It could be applied after the primer by hand or with a wrapping machine
Structure
Backing : Special blend of stabilized polyethylene |
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Adhesive : Butyl bituminous and Adhesion Promoting Resins |
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Interleaf: Anti-adhesive Film Treated with Silicone. |
Properties
UNIT |
TEST METHOD |
TYPICAL VALUES |
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POLYKEN934-40 |
POLYKEN934-50 |
POLYKEN934-60 |
POLYKEN934-65 |
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Total thickness |
mil |
ASTM D 1000 |
40mils |
50mils |
60mils |
65mils |
Tensile Strength |
N/cm |
ASTM D 1000 |
60 |
70 |
80 |
100 |
Elongation |
% |
ASTM D 1000 |
300 |
300 |
350 |
350 |
Peel adhesion To primed pipe |
N/cm |
ASTM D 1000 |
30 |
33 |
35 |
35 |
Dielectric Strength |
KV/mm |
ASTM D 1000 |
42 |
42.6 |
43 |
43.8 |
Volume Resistivity |
ohm· |
ASTM D 257 |
2.5 X 1012 |
2.5 X 1012 |
2.5 X 1012 |
2.5 X 1012 |
Water Vapor Transmission Rate |
g/ m2 /24h |
ASTM E 96 |
0.06 |
0.05 |
0.03 |
0.02 |
Water Absorptivity |
% |
ASTM D 570 |
0.1 |
0.1 |
0.1 |
0.1 |
Application Temperature |
℃ |
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Max service temperature |
℃ |
-40-+80℃ |
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Performance |
AWWA C-209,ASTM D 1000,EN 12068 |
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Recommended primer : P1027 | ||||||
Additional mechanical layer : POLYKEN 955 |
How to select coating materials
Example:Total coating required thickness 3 mm with a minimum overlap of 50%.
You Can Choose followed two methods :
-1st :PRIMER 1027+ 934-60(60mil=1.524mm) as single double wrap, total 3mm .
Or-2nd :PRIMER 1027 + 934-40(inner tape-40mil=1.016mm)+955-20(outer wrap-20mil=0.508mm),total 3mm.
Ordering Information
POLYKEN 934 tape coatings are in roll form.
Eg.: POLYKEN 934-40 BLK 4"×50'
POLYKEN 934 |
Product Model No. |
Standard ordering options |
40 |
Total tape thickness in mils |
40mils(1.016mm),50mils(1.27mm),60mils(1.524mm),65mils(1.651mm) |
BLK |
Tape backing color |
Black (BLK) ,White(WHI) |
4 |
Tape width in inches |
2"(50mm),,4"(100mm),6"(150mm), |
50 |
Tape roll length in feet |
30ft(10M),50ft(15M),100ft(30M) |