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Viscoelastic anticorrosive tape is a new-type high-performance viscoelastic polyolefin material. It preserves the dual characteristics of the solid adhesive material and liquid adhesive material. In normal conditions, its viscoelastic property will keep above 30 years. This product has excellent viscoelastic , sound water-proof and easy-used characters.
Product feature:
It can be use in the surface of steel, PE, PP, FBE etc. directly.
Completely compatible to other coating (three-layer PE, CTE-coating, asphaltum)
Excellent chemical resistance and sealing, it is completely water-proof.
It can be self-repair for light defects.
It is useful to pipeline joint anticorrosion and repair, also for elbow pipe, pipe bending, three joints and insulated flange.
Widely applicable temperature(it can be installed between -30℃~60℃).
The Construction Quality can be handled. It seldom affects by the environment and the operator.
It can be stored in long time and the material it adopts is eco-friendly.
Performance of Viscoelastic Anticorrosive Tape
|
Item |
Test method |
Performance |
|
color |
Visual estimation |
green |
|
thickness |
GB/T 6672 |
≥1.8mm |
|
application temperature range |
|
-45~70℃ |
|
peel strength to steel (23℃) |
GB/T 2792 |
≥5N/cm |
|
Coverage rate |
Actual estimation |
≥95% |
|
peel strength to PE(23℃) |
GB/T 2792 |
≥5N/cm |
|
coverage rate |
Actual estimation |
≥95% |
|
Peel strength to steel(-45℃) |
GB/T 2792 |
≥5N/cm |
|
Coverage rate |
Actual estimation |
≥95% |
|
Shear strength to steel(23℃) |
GB/T 7124 |
≥0.02MPa |
|
Coverage rate |
Actual estimation |
≥95% |
|
Shear strength to steel(-45℃) |
GB/T 7124 |
≥1.0 MPa |
|
Coverage rate |
Actual estimation |
≥95% |
|
Include outside tapes indentation test |
SY/T0315-G |
≥15J |
|
Include outside tapes indentation test |
EN12068-G |
10MPa, 15KV
|
|
Cathodic disbanding resistant(1.5V, 65℃,30d) |
SY/T0315-C |
<5mm |
|
Drop down (85℃) |
Visual estimation |
No dripping |
|
Volume resistivity |
GB/T 1410 |
≥ 1*1012 |
|
Water absorption |
SY/T0414-B |
≤0.03%Ω*m |
|
Hot-water soak(70℃,120d) |
GB/T1733 |
No change |
|
Heat aging(90℃,100d) |
Actual measurement |
Coverage rate ≥95% |
|
Chemical resistant(90d,10% HCI) |
SY/T0315 |
No change |
|
Chemical resistant( 90d, 10% NaOH) |
SY/T0315 |
No change |
|
Chemical resistant(90d, 3% NaCI) |
SY/T0315 |
No change |
Viscoelastic Anticorrosive Paste
|
Item |
Test Method |
Performance |
|
color |
Visual estimation |
green |
|
Density(g/cm³) |
NEN1833 |
1.4-1.6 |
|
Application Temperature Range |
- |
-45~70℃ |
|
Elongation at break |
ASTM D1000 |
>100% |
|
Water absorption |
ASTM D570 |
≤0.03 |
|
Volume resistivity(Ω/㎡) |
EN12068 |
≥1*108 |
|
salt spray test ( 5%, 720h) |
ASTM B117 |
No rust |
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