inner wrap visolastic tape (1)
9 month ago
| XUNDA viscoelastic Tape T800（pipe anticorrosion tape） | |
Is a non-toxic, cold-applied, prefabricated wrap
coating, based on a compound consisting of non-crystalline, low-viscosity,
non-crosslinked (fully amorphous), pure homopolymer Polyisobutene. It is
viscous at the indicated operating temperatures and due to its liquid nature, it
has a set of unique properties like cold-flow into all irregularities of the
substrate and self-healing of the complete coating system. The compound
does not cure and is unable to build up internal stress. It is fully resistant to
water and has a low gas- and water vapour permeability.
|
Product Properties
|
Item |
Test method |
Performance |
|
Color |
|
Green、Blue |
|
Thickness |
ASTM D1000 |
2.0±0.2mm |
|
Peel Strength to steel(23℃) |
ASTM D1000 |
≥5N/cm |
|
Coverage Rate |
|
≥95% |
|
Peel Strength to PE(23℃) |
ASTM D1000 |
≥5N/cm |
|
Coverage Rate |
|
≥95% |
|
Peel Strength to Steel(-45℃) |
ASTM D1000 |
≥5N/cm |
|
Coverage Rate |
|
≥95% |
|
Shear Strength to Steel（23℃） |
EN 12068 |
≥0.02MPa |
|
Coverage Rate |
|
≥95% |
|
Shear Strength to Steel（-45℃） |
EN 12068 |
≥0.02MPa |
|
Coverage Rate |
|
≥95% |
|
Specific Insulation Resistance |
EN 12068 |
≥108 Ω.㎡ |
|
Dielectric strength |
DIN 53481 |
≥10kv/mm |
|
Water Absorption |
ASTM D 570 |
＜0.03% |
|
Cathodic Disbandment |
EN 12068 |
≤20 mm-rad |
|
Drip Resistance @135 ℃ for 48 hours |
|
No dripping |
|
Heat aging (100d, 90℃) |
|
Coverage Rate≥99% |
|
Chemical Resistance（90d ，10% HCL） |
|
No Change |
|
Chemical Resistance （90d，10%NaOH） |
|
No Change |
|
Chemical Resistance (90D, 3%NaCL) |
|
No Change |
|
Hot water immersion @60℃ for 120 days |
|
No Change |
|
Operational Temperature Range |
|
-45℃~80°C |
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