LAM PFA LT |SOLVAY® HYFLON F1520 resin Un-backed and Glass Fabric-backed (G) Sheet A high degree of stress crack resistance, combined with chemical inertness and heat and weather resistance characterize LAM PFA LT. Available with glass-backing for dual laminates and in standard extruded sheet, it serves a wide range of chemical handling and storage applications. The material also offers exceptional dielectric properties, non-stick characteristics, toughness and flexibility.