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Polyethylene Outer Protection Tape For the Pipeline is pipe anticorrosion tape
Polyethylene Outer Protection Tape （mechanical protection tape） is a protective pipeline outerwrap that is used where a complete bond of outerwrap to tape is specified .Because it is a polyethtlene film with a bonding adhesive , it says with the tape and never disappears or disintegrates.The adhesive assures a complete bond and eliminates the need for tie-downs the outerwrap.Designed for machine or hand application at the same time the primary coating is applied .
Polyethylene Outer Protection Tape is available in various thickness. The standard color of outwrap is white ,but it is also available in black.
| Physical Properties | Unit | DATA | Test Method | ||
| T-250 | T-265 | T-275 | |||
| Color | / | Black , White ,Yellow etc | / | ||
|
Thickness Backing Adhesive Total |
mm |
0.25 0.26 0.51
|
0.31 0.34 0.65
|
0.33 0.43 0.76 |
ASTM D1000 |
| Length | m | 0 - 500 | ASTM D1000 | ||
| Width | mm | 50 - 900 | ASTM D1000 | ||
| Core Size | mm I.D. | 76 | / | ||
| Weight | kg/m2 | 0.612 | 0.768 | 0.912 | / |
| Tensile Strength | N/cm | 58 | 61 | 65 | ASTM D1000 |
| Elongation at Break | % | >500 | ASTM D1000 | ||
|
Peel Adhesion To primed pipe |
N/cm | >25 | >30 |
>33 |
ASTM D1000 |
| Cathodic Disbondment | mm | 0.24 in radius 6.4 | ASTM G8 | ||
| Dielectric Strength | kv | >25 | >30 | > 30 | ASTM D149 |
| Volume Resistivity | ohm.cm | >2.5×1012 | ASTM E257 | ||
|
Water Vapor Transmission Rate |
g/m2/24h | <0.05 | ASTM F1249 | ||
| Water Absorptivity | % | <0.1 | ASTM D570 | ||
| Imapct Resistance | Nm | >5.0 | >5.5 | > 5.8 | ASTM G14 |
|
Temperature Range For Application For Service |
℃ |
5℃ - 60℃ -30℃ - 80℃ |
/ | ||
| RECOMMENDED Primer | Xunda Primer P27 | ||||
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