Categorization：Product Information
Water-resistant tape is made of polyester fiber weaving and high water-absorbent material composite, with water-absorbing expansion function. Water-blocking tape is basically used for power cables, communication fiber optic cables, can reduce the infiltration of water and moisture in the cable, improve the working life of the cable, water-blocking tape of the basic principle: cable industry often, a part of the power cables are laid in the wet underground cable trench, buried cross-linked polyethylene insulated power cables in operation, such as in the event of an accident, there is a phenomenon of electrical breakdown, groundwater through the breakdown point into the conductive core And along the core of the stranded gap to the cable ends of the infiltration of water into the insulation layer, in the electric field for a long time will accelerate the aging of the insulation layer, resulting in the scrapping of the entire cable. The use of water-blocking tape cable, if there is water into the port, water-blocking tape contained in the high water-absorbent powder, can use its water-absorbent water absorption, water-blocking tape rapidly expand many times, into a gel, forming a wall to prevent the flow of water, play a role in protecting the cable.
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