Shanghai Gengyun Industrial Co., Ltd
Water-Blocking Yarn Technology: Core Material of the Dry Cable Revolution

Water-Blocking Yarn, as a Dry Water-Blocking Material based on Superabsorbent Polymers (SAP), is driving a paradigm shift in optical cable water-blocking technology from passive filling to active protection. This Water Swellable Yarn can expand hundreds of times within seconds upon contact with water, forming a dense…









