circulation liquid of hot, cold or cryogenic can be filled into the jacket of reactor. substance reacts by stirring under normal or negative pressure in aieproof glass container. reaction process can be watched clearly through crystal reaction flask. jacket glass reactor is ideal equipment in library experiment or medium-production in moden biology and pharmcy, and is also applied in synthesizing materials in fine chemical industry. features in design: 1. integrated jacket reaction flask has big caliber with good seal and high strength. 2. professional ptfe cover supports high speed stirring in vacuum. 3. three standard mouths can be used for umlti-purpose according to customer needs. standard fitting are chatging cork, thermometer tube, and reflux condenser. (customization available for special needs) 4. more designs on safe and easy operation are applied on models of 20l and above.