Product Description
Reusable Teflon sleeves. 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 each assembly or removal of the sleeves have outer rings on the taper joint. In addition, the sleeves have outer rings on the taper which prevents sticking. The sleeves are made of 2mm (.008") virgin Teflon PTFE; thickness at rings is .35mm (.14"). They can be subjected to temperatures from -100°C to +250°C (-148°F to +482°F). The sleeves are resistant to most chemicals and are reusable. 3 per pack.