Spectrum Chemical Drierite(R),Indicating,10-20 Mesh

Spectrum Chemical Drierite(R), Indicating, 10-20 Mesh is the trade name for several types of desiccants made from anhydrous calcium sulfate. Indicating DRIERITE is impregnated with cobalt chloride that is blue when dry and changes to pink upon absorption of moisture. The color change is pronounced and clearly visible. Ungraded products supplied by W.A. HAMMOND DRIERITE COMPANY are indicative of a grade suitable for general industrial use or research purposes and typically are not suitable for human consumption or therapeutic use. - SPCM (Additional S&H or Hazmat Fees May Apply)