The Kimble Chase LLC pennyhead stopper is made of high-quality borosilicate glass to ensure superior performance over an extended period of time.
The Kimble Chase LLC pennyhead stopper is a high-quality stopper that can be used with flasks, separatory funnels, mixing cylinders and much more. It is made from 33 expansion, low extractable borosilicate glass that conforms to USP Type I and ASTM E438 Type I, Class A requirements. It features a slightly longer ground zone to easily accommodate the outer member in which the stopper fits. Designed as per ASTM Specification E675, its large end of the ground zone has a diameter of 38mm and a length of 30mm.
Product Type: Pennyhead stopper
Made of glass
Designed from ASTM specification E675
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