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Indicating Drierite is impregnated with cobalt chloride. Indicating Drierite is blue when dry and changes to pink upon absorption of moisture.
The color change is pronounced and clearly visible
This makes Indicating Drierite valuable when it is necessary to know with certainty that dryness is being maintained and to signal when the drying agent should be replaced
It has the same efficiency as Regular Drierite, and somewhat greater capacity due to the desiccating effect of the cobalt chloride
Desiccant; Drierite; Indicating; Size: 1 lb.; Mesh sizes vary; Dries gases to a dryness of 0.005mg/L; Turns pink upon exhaustion. Absorb 10 to 14% of their weight in water when drying gases. Turn pink when exhausted. Regenerate to original blue color by heating in oven at 218°C (425°F) for 1 hour. No danger of shrinking or channeling. Stable, constant in volume. Nonpoisonous and noncorrosive.