... For Chemical 3. Passed Certificate:FDA,QS,ISO9001:2008 Bottle Cap LinerInduction sealing is a non-contact heating process by which ... seal plastic (LDPE, HDPE, PP, PVC, PET) and glass containers.Types of induction aluminum foil liner:One-piece type: No releasable ... )Welded seal (residue left on bottle mouth when peeling). Oil Cap Liner