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Pipe Joint Wrapping Tape / Pipe Wrap Tape for Field Joints Valves and Irregular Pipe
1.Pipe joint wrapping tape system description:
The Pipe Joint wrapping tape is Cold applied tape coating system for anti corrosion of field joints,fittings, and specifically piping. The adhesive is a key in ground performance characteristic coupled with the low and high density polyethylene backing.
The Pipe joint wrapping tape shall be applied by hand or with a wrapping machine.
2. Pipe joint wrapping tape structure:
The specification of the tape consists of two or three layers, adhesive layer and film backing,some customer like add one layer release paper.
Adhesive: butyl rubber
Film backing: Special blend of stabilized polyethylene
3. Pipe joint wrapping tape features:
Heavy duty adhesive
Resistant to UV
Can be applied over a wide temperature range
Good conformability and consistent uniform thickness
Easily applied with no special equipment
Conformable to irregular shapes.
Meets ASTM D 1000 Standard
Cold applied
4. Pipe joint wrapping tape physical properties
| Item&Standards | T-380 | T-390 | T-3100 | T-3130 | ||
| Total thickness (ASTM D 1000) | 0.76 mm | 0.89 mm | 1.02 mm | 1.27 mm | ||
| Backing thickness (ASTM D 1000) | 0.28 mm | 0.30 mm | 0.35 mm | 0.50 mm | ||
| Adhesive thickness (ASTM D 1000) | 0.48 mm | 0.59 mm | 0.67 mm | 0.77 mm | ||
| Tensile strength (ASTM D 1000) | 50N/ cm | 55N/ cm | 60N/ cm | 63N/ cm | ||
| Elongation (ASTM D 1000) | ≥400% | |||||
| Adhesion to Primed Pipe (ASTM D 1000) | 28N/cm | 30N/cm | 32N/cm | 35N/cm | ||
| Dielectric Strength (ASTM D 1000/D 149) | 42KV | 43 KV | 44 KV | 45KV | ||
| Volume Resistivity (ASTM D 257) | ≥2.5x1012 Ω.m | |||||
| Water Vapor Transmission Rate(24h)(ASTM F1249) | ≤0.1g/ | |||||
| Water Absorption Rate(ASTM D 570) | Underground Pipe Joint Wrapping Tape for Field Joints Valves and Irregular Pipe |
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