CBT-FW series of polyethylene inner wrap tape(www.heatshrinkfactory.com)is specifically designed for corrosion protection of buried or overhead pipelines in oil,gas and petrochemical areas.It has two layers,butyl rubber adhesive and polyethylene backing.It is a composite polyethylene anti-corrosion system,before installing the outer tap for mechanical protection ,we should install the inner tape for anti-corrosion.
2.Technical Data
Property | Test Method | CBT-FW |
Backing & Adhesive | ||
Tensile Strength (psi) | ASTM D1000 | ≥2900 |
Elongation (%) | ASTM D1000 | ≥300 |
Dielectric (KV/mm) | ASTM D149 | ≥40 |
Volume Resistance (Ω.cm) | ASTM E257 | ≥2x1012 |
Water Proof (%) (WT) | ASTM D570 | <0.2 |
Water Vapor Transmission Rate | ASTM F1249 | <0.2 |
Installed Product | ||
Peel Strength/BACKING (N/cm)@23℃ | ASTM D1000 | ≥25 |
Peel Strength/PRIMER STEEL(N/cm)@23℃ | ASTM D1000 | ≥5 |
Cathodic Disbonding (mm rad)@23℃ | ASTM G 8 | ≤8 |
Please contact us for more details
3.Application Data
Size | CBT-FW- | T240|T250 |T255 |T265 | |
Color | - | Black,White,Yellow,Red, etc | |
Tape Thickness | Backing Thickness | mm | 0.27 |0.37| 0.40 |0.50 |
Adhesive Thickness | mm | 0.13 |0.13 |0.15 |0.15 | |
Total Thickness | mm | 0.40 |0.50 |0.55 |0.65 | |
Other thickness can be customed
