Polytetrafluoroethylene (PTFE) Wetted surfaces use chemically resistant PTFE. Superior sealing with no need for joint grease. All Ace Glass stoppers come in a wide range of joint sizes, from standard to metric, to fit all of your needs. PTFE Standard Taper Stopper w/Easy-to-grip Handle • Easy-to-grip handle helps with removal. Solid PTFE Standard Taper w/Polypropylene Extraction Nut • Designed to prevent freezing in the joint. PTFE Penny Head Stopper • Penny head stopper-style handle. • Extraction nut for easy removal from outer joints. Joint Size Joint Size Order Code Order Code Joint Size Order Code [email protected] 1430 Northwest Boulevard P: (800) 223-4524 Vineland, NJ 08360 F: (800) 543-6752

JOINT CLIPS/SLEEVES Polytetrafluoroethylene (PTFE) Keck® type joint clips snap on and off with ease. These clips have multiple no-pressure uses and can be combined with our PTFE sleeves. PTFE sleeves are for use with glass adapters to prevent the joint from freezing, as well as ease of removal for ground glass joints. PTFE Sleeves Keck® Type PTFE Joint Clips • Won’t scratch glass. • Can be used up to 280°C. • Can also be used for clamping stopcock plugs and barrels. PTFE Sleeves w/Gripping Ring • Precludes contamination from lubricant or leaks. • Usable to 280°C, and will withstand low to medium...