Kimble Phenolic Black Screw Cap with Pulp/Vinyl Liners, Cap Size 33-400 (Case of 144)

PTFE/LDPE liners offer excellent solvent resistance. Pulp/vinyl liners are an economical source for general-purpose usage. Solid PE liners are ideal for strong acid or base samples. Cone-shaped taper seal liners provide excellent sealing capabilities in liquid applications. Tinfoil liners are best suited for environmental sampling applications. White rubber liners are resilient and moisture resistant, ideal for use in hermetic sealing. Temperature tolerant black phenolic screw caps are dimensionally stable and offer a wide array of chemical compatibilities.