Water blocking tape acts as insulation, filling, waterproofing and sealing. Water blocking tape has high adhesion and excellent waterproof sealing performance, and also has chemical corrosion resistance such as alkali, acid and salt. The water blocking tape is soft and cannot be used alone, and other tapes are required outside for enhanced protection.
2.Flame retardant and fire resistant tape
Flame retardant and fire resistant tape has two types. One is the refractory tape, which in addition to being flame retardant, also has fire resistance, that is, it can maintain electrical insulation under direct flame combustion, and is used to make refractory insulating layers for refractory wires and cables, such as refractory mica tape.
The other type is flame retardant tape, which has the property of preventing the spread of flame, but may be burned out or damaged in insulation performance in the flame, such as Low smoke halogen free flame retardant tape(LSZH tape).
It is suitable for high-voltage or extra-high-voltage power cables, and plays the role of isolation and shielding. It has small resistance, semi-conductive properties, can effectively weaken the electric field strength, high mechanical strength, easy to bind conductors or cores of various power cables, good heat resistance, high instantaneous temperature resistance, cables can maintain stable performance at instantaneous high temperatures.
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