Polyethylene Bags turn any container into desiccator.
April 7, 2009 -
Featuring non-toxic desiccant, Humidity Sponges(TM) meet FDA requirements for direct contact with food and drugs, and are certified as Class M3.5 cleanroom compatible. Each measures 3 x 3 x ¼ in. and will maintain dry conditions in 2-gal container. Outer material is made of Tyvek breathable, high-density polyethylene. Indicator Sponge contains blue particles, which turn pink when desiccant has reached moisture capacity, while Regenerable Sponges may be regenerated and reused continuously.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Paul N. Gardner Co., Inc.
316 N.E. 1st St., Dept. TR
Pompano Beach, FL, 33060 6608
USA
Humidity Sponge - Regenerable/Indicator
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(TM) meet FDA 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. Ideal for storing food/pharmaceutical samples, electronics, PC boards, optics, chemicals and equipment.
Outer material is made of DuPont's Tyvek 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 cubic inches/7800 cubic centimeters). Bags are guaranteed to retain 16% moisture by weight; typical results are 37% moisture absorption. Each bag measures 3 x 3 x 1/4 inches and weight is 3/8 ounce.
Indicator Humidity Sponges(TM)
Indicator Sponge has one side of clear film and one of white Tyvek. It contains blue particles which turn pink when the desiccant has reached its moisture capacity and needs to be replaced. Indicator Humidity Sponge(TM) cannot be regenerated.
Regenerable Humidity Sponges(TM)
Regenerable Sponge has white Tyvek on both sides and may be regenerated and reused continuously. Regeneration requires heating in an oven at 220°F (104°C). Included in each pack is a Relative Humidity Card which changes from blue to pink to show when bags need to be regenerated.
If you would like more information please call: 1-800-762-2478
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