Micro-thin sleeves made of virgin Teflon® TFE fit snugly on full length ground glass joints to keep them from seizing, leaking, or galling. Used without lubricants or adhesives, they are...
Keep standard taper glass joints from seizing, leaking or galling. No lubricant is required to make a vacuum-tight joint. The top of each sleeve has a rigid, knurled grip ring 3mm thick for easy...
