Scienceware* Fluo-Kem* Teflon* Lab-Thread Tape

Contains no adhesive, yet does a superior job of sealing small apertures. Conforming to irregularities of surfaces, threads and joints of all types. Eliminates the need for lubricants and vacuum greases. Can be used on ground glass joints, desiccators, bell jars, freeze-drying equipment, etc. Provides a vacuum-tight seal which will release even after long periods. 0.5 x 300 in. roll.