121C Ultra-Soft Retort Packaging Film belongs to High-Temperature Retort Series, serving as premium High Temperature Resistant RCPP Films for flexible food packaging. This Ultra Soft Retort Pouch Materials is a multi-layer co-extruded cast polypropylene film with flexible copolymer formula. As reliable 121C Sterilizable Retort Bag Liners, it maintains great softness after high pressure sterilization, without brittleness even after repeated bending. Blown PE Films are widely adopted for conventional packaging projects, but this ultra-soft RCPP material is designed to handle 121℃ high temperature retort treatment. It can be compounded with BOPET, PA and aluminum foil, keeping stable sealing performance and resisting puncture and corrosion during sterilization cycles. Cast Film Series delivers multiple base films for composite packaging structures, while this product focuses on packaging applications that need lasting flexibility after cooking. For packages requiring convenient peel open…











