These reusable caps are made of specially formulated phenolic resin, the cap thread is GPI 40-400, and is equipped with an adhesive white rubber gasket.
Specification
Product Number: 9999-40 Brand: Corning® Thread Finish: 40 Color: Black Height: 12.5 mm Cap Style: Rubber liner Cap Material: Phenolic Cap Color: Black Qty./Pk: 72/ Pk Qty./Cs: 72 / Cs