Polypropylene Caps

Polypropylene Caps are known for good impact strength, cost effectiveness, and pliability. These caps are autoclavable and are suitable for many dry products. Unlined Polypropylene Caps are known for good impact strength, cost effectiveness, and pliability. These caps are autoclavable and are suitable for many dry products. F422 HDPE Foam Lined Polypropylene Caps are acid resistant. This F422 liner is comprised of a .38" LDPE core sandwiched between identical layers of .002" - .003" virgin HDPE. SturdeeSeal® PE Foam Lined Caps are known for good impact strength, cost effectiveness, and pliability. These polypropylene closures with foamed polyethylene liners have excellent sealing characteristics and offer good chemical resistance including acids, alcohols, alkalis, aqueous products, cosmetics, household oils and solvents.