Water Blocking Powder | High-Performance SAP for Longitudinal Water Blocking in Cables

Water Blocking Powder is a high-performance superabsorbent polymer (SAP) based on sodium polyacrylate. This advanced macromolecule water-absorbent resin features a unique three-dimensional network structure and abundant hydrophilic groups, delivering exceptional water absorption capacity, strong water retention, and rapid expansion. It is specifically engineered for longitudinal water blocking in power cables, communication cables, optical fiber cables, and other stranded conductor applications.