SAP for industry SAP for industry can be made to be gaskets, sealing strips with its water swelling characteristics, effectively improving its good elasticity and mechanical strength of products such as industrial rubber products; can be used in the coating strips for industrial and submarine cables with its absorption capacity, strong absorption strength, playing a water-blocking role, which can improve the safety of cables and extend the service life, and avoid reliability reduction due to damp of the cable. The swelling property of the super absorbent polymer can be used to protect the power and communication cables from water.