These reusable caps are made of specially formulated phenolic resin, the cap thread is GPI 38-430, and is equipped with an adhesive white rubber gasket.
Specification
Product Number: 9999-381M Qty./Pk: 12/ Pk Qty./Cs: 72 / Cs Brand: Corning® Color: Black Height: 27 mm Cap Style: Rubber liner Cap Color: Black Thread Finish: 38 Cap Material: Phenolic