Manicotti di tenuta ROTILABO® per giunti conici di vetro smerigliato, 45/40, 1 Pezzo

For gas,liquid and vacuum-tight ground glass joints. Sealing rings on the outside of the ground sleeves provide a ensure a high vacuum-tight seal (leak rate <1 x 10^-1 mbar l s^-1) and prevent the ground glass joints from sticking. Easy to remove with thick rim, reusable. Practically resistant to all chemicals, temperature-stable from -200 to +250 °C. No grease necessary.