The threaded Mojonnier® flask is a modified design of our standard Mojonnier® flask with stopper joint · This version has a 24-410 GPI thread and is supplied with a black, phenolic cap with PTFE-faced white rubber liner (45066C-24410) · Ref: Standard Methods for the Examination of Dairy Products, 17th Edition · Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements | |