Rotary Center Tube for 20L Rotary Evaporator 5GAL W2 is a natural bleaching

W2 is a natural bleaching clay offering mild yet efficient results

or ultrasonic use

85" overall)

Test blocks: 3-HRC Test block

[High Working Temp]: It is suitable for liquid with working at -58°F~250°F

Rotary Center Tube for 20L Rotary Evaporator 5GAL W2 is a natural bleachingassembling 1. Remove the WHITE PTFE RING parts , which is the part connect with Rotatory ball, slowly pull it out 2. Remove the broken glass tube from top and clean all broken pieces inside 3. put the WHITE PTFE RING back by push from bottom back to position 4. put very little of lubricating oil or GREASE around the GLASS TUBE,to make it easy to push in next step. 5. push the small end of GLASS TUBE from top into, and go through the WHITE PTFE RING,