Heat Shrink Tape
It is made of polyethylene radiation cross-linked and coated with a layer of hot melt adhesive, which has good sealing performance. Usually used in the insulation of special-shaped parts of power products such as medium and high voltage substations and high and low voltage switchgears
protection.
Details of Heat Shrink Tape
Carrier: PE
Color: Black, yellow, red, green, etc
Adhesive: Hot melt adhesive
Product viscosity: Moderate
Size: 0.8mm x 25mm x 5m (custom size available)
Heat-resistant temperature: -55~105℃
Features:
* Excellent electrical insulation
* Good flame retardancy
* UV resistance
* Outdoor aging resistance
* High pressure resistance
* Good sealing
Technical Data of Heat Shrink Tape
| Test items | Typical parameters | Guideline |
| Breakdown strength | 25KV/mm | GB/T 1408-1989 |
| Power frequency withstand voltage | 42KV/1min (minimum phase spacing 30mm) to breakdown | GB311 |
| Lightning shock | 75KV, ±15 times (minimum phase spacing 30mm) without breakdown | GB311 |
| Volume resistivity | ≥1 x 1013Ω·cm | GB1410-1989 |
| Dielectric constant | ≤3.5 | GB1409-1988 |
| Oxygen Index | ≥28% | GB/T 2406-1993 |
| Water absorption | ≤0.1% | GB/T1034 |
| Low temperature toughness | -55°C±2°C, 4h pass | UL224 |
| Corrosion test | 23°C±9C, humidity 95%, 24h pass | ASTMD2671 |
| Tensile Strength | ≥12.0Mpa | GB/T 1040-1992 |
| Elongation at break | ≥400% | GB/T 1040-1992 |
| Heat aging test | 136°C, 168 hours passed | GB/T 1040-1992 |
| Range of working temperature | -55°C-105°C | / |
Applications of Heat Shrink Tape
Anti-condensation, anti-pollution flashover, and anti-corrosion treatment for substation switchgear busbars; anti-foreign object lap over ground curves or other charged bodies; partial repair of cable outer sheaths that are damaged by mechanical damage, burning, or erosion by organic solvents; Used for waterproof sealing treatment of heat-shrinkable cable intermediate connector sheath ports, etc.
