Pulp/Tin-Foil Lined Phenolic Caps offer good chemical, impact, and temperature resistance and are typically used with solids and powders. These plastic screw caps with pulp/tin-foil liners have strong resistance to hydro-carbons, alcohols, ketones and oils, but are not recommended for acids and alkalis.
Available as ribbed bottle caps in the 425 GPI thread finish for narrow bottle necks and in 400 finish in a wide range of diameters to for wider bottles and jars. Refer to neck finishes & cap sizes for help with sizing.