If the diameter of glass cylinder brush was much larger than that of the glass cylinder. Moreover, when used the brush to clean the glass cylinder, the customer did not flush the residual liquid in the glass cylinder first, which led to many of the bristles being corroded.

The diameter of the glass cylinder should match the size of the brush. If it is too large, it will easily crack the glass cylinder. In case of acid, alkali or corrosive drugs, the glass cylinder should be diluted or rinsed before using the brush, and then rinse the inside and outside of the glass cylinder with clean water.

Aoqun glass cylinder brushes are very good. Want to know more detail, call Aoqun.