Cole-Parmer EW-07193-11 Humidity Sponge™ Indicator, 3 x 3 x 1/4-Inch

Humidity Sponge™ indicator meets all drying requirements. The latest in drying technology turns any container into a desiccator. Indicator bag particles show when moisture capacity has been reached. Nontoxic and ideal for clean rooms. Humidity Sponges™ meet FDA (Food and Drug Administration) requirements for use in direct contact with food and drugs. Desiccant (Sodium calcium aluminosilicate hydrate) is nontoxic and is a GRAS (Generally Recognized as Safe) material. It is ideal for storing food/pharmaceutical samples, electronics, PC boards, optics, chemicals, and equipment. Outer material is made of spunbonded olefin: breathable, high-density polyethylene. Zero-Dust bags are certified as Class M3.5 (formerly Class 100) clean room compatible. Retains 16% moisture, guaranteed: Drying capability depends on volume, temperature, and moisture. As a benchmark, one bag will maintain dry conditions in a container with a volume of two gallons (476 cu. in/7800 cu. cm). Bags are guaranteed to retain 16% moisture by weight; typical results are 37% moisture absorption. Indicator Humidity Sponges™: Indicator Sponge has one side of clear film and one of white spunbonded olefin. It contains blues particles which turn pink when the desiccant has reached its moisture capacity and needs to be replaced. Indicator Humidity Sponge™ cannot be regenerated. Size: 3 x 3 x 1/4-Inch. Cole-Parmer #: EW-07193-11

Humidity Sponge™ indicator meets all drying requirements. The latest in drying technology turns any container into a desiccator. Indicator bag particles show when moisture capacity has been reached. Nontoxic and ideal for clean rooms. Humidity Sponges™ meet FDA (Food and Drug Administration) requirements for use in direct contact with food and drugs. Desiccant (Sodium calcium aluminosilicate hydrate) is nontoxic and is a GRAS (Generally Recognized as Safe) material. It is ideal for storing food/pharmaceutical samples, electronics, PC boards, optics, chemicals, and equipment. Outer material is made of spunbonded olefin: breathable, high-density polyethylene. Zero-Dust bags are certified as Class M3.5 (formerly Class 100) clean room compatible. Retains 16% moisture, guaranteed: Drying capability depends on volume, temperature, and moisture. As a benchmark, one bag will maintain dry conditions in a container with a volume of two gallons (476 cu. in/7800 cu. cm). Bags are guaranteed to retain 16% moisture by weight; typical results are 37% moisture absorption. Indicator Humidity Sponges™: Indicator Sponge has one side of clear film and one of white spunbonded olefin. It contains blues particles which turn pink when the desiccant has reached its moisture capacity and needs to be replaced. Indicator Humidity Sponge™ cannot be regenerated. Size: 3 x 3 x 1/4-Inch. Cole-Parmer #: EW-07193-11