Non-woven waterblocking tape is a type of tape used in the cable industry to provide water-blocking properties to cables. It is made of non-woven fabric that is impregnated with water-blocking compounds, such as superabsorbent polymers or petrolatum. These compounds are designed to swell when they come into contact with water, thereby creating a barrier that prevents water from penetrating the cable. Non-woven waterblocking tape is typically used in conjunction with other water-blocking materials, such as filling compounds or flooding compounds, to provide a complete water-blocking solution for cables.
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