38mm 38-400 Black Phenolic Cap w/Poly Cone Insert (Polyseal®)

The 30W38B is a 38mm black cap with a Phenolic cone insert. The Phenolic cone liner is made of LDPE and acts as a wedge insert that seals the lip and the inner neck of a bottle, providing extra protection from leakage. These are recommended for use on glass bottles, but can also work with plastic containers.

38mm 38-400 Black/Gold Metal Cap with Plastisol Liner

The 30W39B is a 38mm (38-400) black metal cap with plastisol liner. This closure is typically used on 38mm glass jars. The Plastisol liner is designed to create an air tight seal when heated. It is recommended for high temperature applications (container must be able to withstand high temperatures as well).

38mm 38-400 White/Gold Metal Cap with Plastisol Liner

The 30W39M is a 38mm (38-400) white metal cap with plastisol liner. This closure is typically used on 38mm glass jars. The Plastisol liner is designed to create an air tight seal when heated. It is recommended for high temperature applications (container must be able to withstand high temperatures as well).

38mm 38-400 Gold/Gold Metal Cap with Plastisol Liner

The 30W39D is a 38mm (38-400) gold electrolytic tinplate (tin coated steel) cap with a plastisol liner. This closure is typically used on glass bottles, jars, and jugs. This continuous threaded (CT) cap and has a gold exterior and interior with a knurled edge. Plastisol is a common liner that is used for applications such as food canning and vacuum packing, because it provides a hermetic seal (or airtight seal). It is recommended for high temperature applications (container must be able to withstand high temperatures as well).

38mm 38-400 White/Gold Metal Cap with Pulp & Poly Liner

The 30W38M is a 38mm (38-400) white electrolytic tinplate (tin coated steel) cap with a white pulp/polyethylene liner, typically used with glass bottles, jars and jugs. This continuous threaded (CT) cap has a white exterior with a gold interior and gold knurled edge. White pulp/polyethylene lined metal caps are a great general purpose closure. They are ideal for powders and non-acidic food products and consumer products such as jar candles and honey.

38mm 38-400 Aluminum Metal Cap with Pulp & Poly Liner

The 30W39S is a 38mm (38-400) aluminum cap with a white pulp/polyethylene liner, typically used on glass bottles, jars and jugs. White pulp/polyethylene lined metal caps are a great general purpose closure. They are ideal for powders and non-acidic food products and consumer products such as jar candles and honey.

38mm 38-400 Black/Gold Metal Cap with Polyethylene w/Barrier Film (PEBF 35P) Liner

This is a 38-400 black metal screw cap with pulp and vinyl liner. This closure is a popular choice with glass jars. The polyethylene with barrier resin (PEBF 35P) liner is polyvinylidene chloride (PVdC) free and provides leak resistance, resealing, and an oxygen and moisture barrier for product longevity. These liners are FDA approved and compatible with dry foods.