Qorpak CAP-00379 White Ribbed Polypropylene Cap with F422 HDPE Foam Liner, Ribbed Style, 38-439 Neck Finish (Case of 1200)
Polypropylene caps are known for good impact strength, cost effectiveness and pliability. They can be remelted after they are formed. Also called Acid Caps, these polypropylene caps are acid resistant. This F422 liner is comprised of a 0.38" LDPE core sandwiched between identical layers of 0.002" - 0.003" virgin HDPE
