A water storage liner for a water heater, characterized in that a tubular plastic parison is obtained by extrusion blow molding or injection molding of a thermoplastic resin, and is placed in a split mold while hot or heated to a softened state. After the mold is closed, compressed air is immediately introduced into the parison to inflate the plastic parison so that it clings to the inner wall of the mold. Upon cooling and demolding, a hollow plastic water heater tank is obtained, and the outer surface thereof is fully or partially wrapped with a thin metal sheet 11.
Country Code: CN
Application Number: CN201410057116.9
