
9
ADITIONAL INFORMATION
Understanding Induction Sealing
Multiple Layer Liners
A multiple layer liner typically consists of a pulp board layer (A), a wax layer (B), and a layer of
aluminum foil (C) coated with a polymer (D). The polymer (D) must be compatible with your
container material and capable of producing the seal strength and removal force required by your
application.
Single Piece Liners
A single piece foil liner typically consists of a layer of aluminum foil (A) coated with a polymer (B)
inside a closure. The polymer (B) must be compatible with your container material and capable of
producing the seal strength and removal force required by your application.