Polyurethane Hydraulic Seals
Materials. Hydraulic seals can be made from a variety of materials such as polyurethane, rubber, or PTFE. The type of material is determined by the specific operating conditions or limits due to fluid type, pressure, fluid chemical compatibility, or temperature.
Polyurethane water tightning Seals
Polyurethane, varnish, and lacquer are tried-and-true sealants with excellent waterproofing properties. They’re either brushed or sprayed onto clean, sanded wood and then allowed to dry completely, prior to the piece being lightly re-sanded and recoated.