Stoppers are used with laboratory glassware such as flasks and separatory funnels.
Features & Benefits
PTFE has excellent chemical resistance and resists freezing in ground glass joints
Remove the colored polyethylene handle from the PTFE stopper before cleaning or exposing to temperatures above 80°C
Stoppers of sizes 9 through 22 are solid, and sizes 32 through 38 are hollow
Designed from ASTM Specification E675
Length of Ground Zone (mm):30.0