ku/water blocking yarn product

Types of Water Blocking Yarn for Cables

Water blocking yarn is an essential component in the construction of cables, including fiber optic cables, power cables, and communication cables. The yarn is used to prevent moisture from entering the cable, ensuring its longevity and reliability. There are several types of water blocking yarn available, each with unique properties and applications.
Super Absorbent Polymer (SAP) Yarn
SAP yarn is a type of water blocking yarn that contains superabsorbent polymers. These polymers can absorb up to several hundred times their weight in water, making them ideal for use in high-moisture environments. SAP yarn is typically used in outdoor cables and underground cables, where the risk of water damage is high.
Swellable Powder Yarn
Swellable powder yarn is a type of water blocking yarn that contains a swellable powder. When the yarn comes into contact with water, the powder swells, creating a barrier that prevents water from entering the cable. Swellable powder yarn is typically used in indoor cables, where the risk of water damage is lower.
Water Repellent Yarn
Water repellent yarn is a type of water blocking yarn that is coated with a water-repellent compound. This compound repels water and prevents it from entering the cable. Water repellent yarn is typically used in cables that are exposed to high humidity or occasional moisture.
In conclusion, there are several types of water blocking yarn available, each with unique properties and applications. The choice of yarn depends on the specific requirements of the cable and the environment in which it will be used.

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