WAH 24005 Drierite Indicating 10-20 Mesh 5 LB 1 EACH.

描述

W.A. Hammond - Indicating Drierite 10-20 Mesh 5 LBIndicating DRIERITE is impregnated w/ cobalt chloride. Indicating DRIERITE is blue when dry and changes to pink upon absorption of moisture. Color change is pronounced and clearly visible.