QUICKFIT® Stirrer Gland, ground cone NS 19/26

QUICKFIT® Stirrer Gland, ground cone NS 19/26
Manufactured from 3.3 expansion borosilicate glass complying with ISO 3585 (ASTM E-438 Type 1 Class A)
Comprises parallel ground glass sleeve with cup to accept a suitable lubricant
Designed to facilitate the use of stirrer shafts with jointed glass flasks and vessels
Holds a vacuum down to 0.1 torr (13.3Pa)
Supplied complete with screwcaps, rubber rings and PTFE washers
Provides a vapour-tight seal between paddle and flask