ProTort-1 ProTort-1 is a low gloss cast PP film engineered for use as a sealant layer in retortable food pouches. ProTort-1 has been used as a sealant layer in pouches as large as one gallon. Applications: Retort pouches Bag in a box pouch Sports energy gel pouch MRE pouches Advantages: Low gloss surface for easy-to-open pouches Sealant layer for retort pouches Engineered for easy lamination Creates strong heat seals for durable packages High impact strength