13mm Black Phenolic Screw Cap with Polycone lined closure
Polycone Lined
13mm Black Phenolic Screw Cap with Polycone lined closure
$0.32 (1/each)
PolyCone Lined Phenolic Caps form an exceptionally tight seal and offer a good chemical barrier. This liner molds itself around the sealing areas of the finish as the cap is screwed on, virtually eliminating leakage, evaporation, contamination, binding and backing off.
