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System Description
The POLYKEN 980,955 is a multilayer system used for the protection of steel pipelines.The product, safe and clean, performs well in insulation, anticorrosion, mechanical strength and anticollision, moreover it is of low water absorption, long service life, wide usage and convenient in application. It is extensively used in the pipework of oil and natural gas transportation, petrochemical industry, electric power, metallurgy, urban natural gas network of pipes, the outside anticorrosion project of the metal pipes involved as well as the outside anticorrosion project of the underground and overhead metallic conduit of the works of petrochemical industry, natural gas and coal transportation.
Features
Excellent adhesion to pipe and self
Resistant to UV
Can be applied over a wide temperature range
Good conformability and consistent uniform thickness
Easily applied with no special equipment
Compatible with common pipe coatings
Excellent resistance to cathodic disbonding
Meets ASTM D 1000 Standard
Cold applied
Structure
Backing : Special blend of stabilized polyethylene Adhesive : Butyl rubber and Adhesion Promoting Resins | |
Color: Black |
Properties
Product Properties |
Test method |
Typical Value |
|||
POLYKEN980-15 |
POLYKEN980-20 |
POLYKEN980-25 |
POLYKEN980-30 |
||
Total Thickness |
15mil(0.381mm) |
20mil(0.508mm) |
25mil(0.635mm) |
30mil(0.762mm) |
|
Backing of PE film |
9 mils(0.229 mm) |
12mil(0.305mm) |
13mil(0.330mm) |
10mil(0.254mm) |
|
Butyl Rubber Adhesive |
6 mils(0.152 mm) |
8mil(0.203mm) |
12mil(0.305mm) |
20mil(0.508mm) |
|
Tensile Strength |
ASTM D1000 |
40 N/cm |
55 N/cm |
62 N/cm |
70 N/cm |
Elongation |
ASTM D1000 |
300% |
330% |
350% |
400% |
Peel Adhesion to Primed Steel |
ASTM D1000 |
24.5 N/cm |
25 N/cm |
26.5 N/cm |
30 N/cm |
Water Vapor Transmission Rate |
ASTM E 96 |
0.10g/m2 |
0.10g/m2 |
0.09g/m2 |
0.08g/m2 |
Water absorption after 1 day,At+23℃ |
ASTM D570 |
0.10% |
0.10% |
0. 08% |
0. 06% |
Volume Resistivity |
ASTM D 257 |
2.0 x 1015 ohm.cm |
2.5 x 1015 ohm.cm |
2.5 x 1015 ohm.cm |
|
Dielectric Strength |
ASTM D149 |
30 kV |
35 kV |
42kv |
43kv |
Ordering Information
POLYKEN 980 and 955 tape coatings are in roll form.
Eg.: POLYKEN980-20 BLK 6"×400'
POLYKEN 980 |
Product Model No. |
Standard ordering options |
20 |
Total tape thickness in mils |
15mils(0.381mm),20mils(0.508mm),25mils(0.635mm),30mils(0.762mm) |
BLK |
Tape backing color |
Black (BLK) |
6 |
Tape width in inches |
2"(50mm),,4"(100mm),6"(150mm),9"(228mm),12"(305mm)18" (457mm) |
400 |
Tape roll length in feet |
100ft(30M),200ft(61M),400ft(122M),600ft(183M),800ft(244M) |