... ,ISO9001:2008 Bottle Cap LinerInduction sealing is a non-contact heating process by which a foil disk is bonded to a ... (LDPE, HDPE, PP, PVC, PET) and glass containers.Types of induction aluminum foil liner:One-piece type: No releasable backing left ... (residue left on bottle mouth when peeling). Two-piece Type Induction Seal Liner