Across International DomeShield 800C Rated Fabric Insulating Top for 2L Flasks

The Ai ultra-thick insulating tops will keep your distillation setup at the peak of its performance, they will help prevent vapor condensation in the upper half of a flask, at the same time, protect the flask, the solutions, and the lab from drafts, which would disturb the reflux ration during fractionation, from flying glass of flask implosions in high vacuum distillations, from falling objects; and from thermal strain between top and lower half of flask during high-temp operations.

Inner fabric color may change due to pre-treatment before shipment, which ensures that no smoke or odors (caused by heat) are released into your work environment.