Kimble Phenolic Black Screw Cap with Pulp/Vinyl Liners - 38-400 Size (Case of 144) | Chemical-Resistant Bottle Closures for Labs & Industrial Use

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.

Low cost

General purpose

Good chemical resistance to mild acids, alkalis, alcohols, aqueous solutions, oils and solvents

Not recommended for hydrocarbons or bleaches

Polyvinyl film adhered to 0.035" pulp board.