14B White Rubber – White vulcanized styrene-butadiene rubber

F1410 – Teflon/silicone rubber/polypropylene film

F-217 – Co-extruded material. Foamed low-density polyethylene core between two solid layers of low density polyethylene

Teflon-F-217 – Teflon film laminated on one side to a one-piece 3-ply co-extruded material. Foamed low density polyethylene between two solid layers of low density polyethylene

Linerless – A closure which has been engineered to function in specific applications without the use of an additional liner

P/AF – Aluminum foil laminated to paper and bonded to pulpboard

P/Poly – Polyethylene film laminated to paper and bonded to pulpboard

P/RVTLF – Vinyl coating applied to high density polyethylene coated paper laminated to pulpboard

P/TF – Tin foil laminated to paper and bonded to pulpboard

Plastisol – Vinyl chloride resin applied as a liquid and baked to a final form

Polycone – Cone-shaped low density polyethylene liner

PY – Solid Polyethylene

Teflon Discs – Solid virgin Teflon TFE .015"

Unlined – A closure without a liner polyethylene.