These reusable caps are made of specially formulated phenolic resin, the cap thread is GPI 28-410, and is equipped with an adhesive white rubber gasket.
Specification
Product Number: 9999-281 Qty./Pk: 12/ Pk Qty./Cs: 12/ Cs Brand: Corning® Cap Style: Rubber liner Thread Finish: 28 Color: Black Height: 20 mm Cap Material: Phenolic Cap Color: Black