Profile: Tri-seal, Inc. manufactures closure liners. We are accredited with ISO 9001 certification. We provide extrusion technology for food, beverage, pharmaceutical, cosmetic, household, and industrial applications. Our products include solid polyolefin materials, co-extruded foam, laminations to foam, induction heat seal materials, one-piece induction heat seal materials, barrier laminations, barrier co-extruded materials, polystyrene foam seal and polystyrene foam seal. We offer weld bond, peel & easy entry sealing for plastic and glass containers. We also offer lidding stock for blister packaging & flexible packaging for custom food, drug and specialty products.