Performance Sealing Inc (PSI) designs and manufactures high-performance engineered polymer seals, bearings, and related components for diverse markets and applications. We deliver improved sealing performance solutions for our customer’s products. PSI’s expertise in polymer materials, mechanical seal design, and over 150 years of sealing system applications experience allows us to provide a sealing solution recommendation. This expertise, combined with working closely with the customer’s engineering team, allows us to develop a robust sealing system and break through sealing system performance for your products.