The cap is a black phenolic 28-400 lid with an LDPE polycone liner. This cap comes with a polycone liner, a built-in low-density polyethylene (LDPE) natural-colored conical-shaped liner that provides a tight seal. This lid is made of phenolic, an industrial-grade, highly rigid, plastic with good resistance to solvents and high temperatures. This closure fits a container with a 28-400 neck finish. The first number refers to the diameter of the container’s opening (in mm). The second number refers to the thread/style/depth of the closure’s skirt.
Black Semi-ribbed Skirt 28-400 Lid With LDPE Poly Cone Liner
Black phenolic 28-400 lid with LDPE poly cone liner insert matches the Boston Bottles and offers the best seal for essential oil.
