Video : What is Plastisol Liner in a metal screw cap?
Plastisol liner is a ring like gasket type liner that is "baked" to the interior of the metal screw cap. It provides an air tight seal for hot fill applications. Find out more about plastisol liner here, when you need to use it, and how plastisol liners are made from the prospective of a metal cap manufacturer.
Neck. Foot. Heel. Foundation. They’re a few of the many interesting parts of a bottle that are explained in the Bottle Parts 101: Anatomy Of A Bottle video from O.Berk. In less than three minutes (literally!), you’ll see every critical part of a bottle.