Features 1. Reaction kettle can be lift up and down. It is convenient to feed materials and take the blocky crystals out of the kettle. 2. Reaction kettle can be rotated for 120 degree, it is convenient to use and clean. Technical Data Glass reaction vessel: 20L; Jacket capacity: 6L; High borosilicate glass 3.3; Kettle body tolerable temperature: -80 to +200 degree; Kettle body resistance to temperature difference: 90 degree; Motor power: 90W; Stirring speed: 50 to 500rpm; Operating pressure(MPa): Vacuum or normal pressure.