black corrosion protection pipe wrapping tape
Description
Polyken980 Cold applied tape coating system for corrosion protection of Oil, Gas, Petrochemical, and Waste Water underground or overhead pipelines.
The inner-layer tape shall be applied after the primer and before the outer-layer tape by hand or with a wrapping machine
Structure
The specification of the tape consists of two layers, adhesive layer and film backing
Adhesive: butyl rubber
Outer layer: Special blend of stabilized polyethylene
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
Technical datas
| 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℃ | |||||