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Staples Desiccants

Whether you are shipping orders to customers or putting personal belongings in storage, Staples desiccants can help preserve your items by keeping them dry for as long as you need. These drying agents come in small packets that users can add to packing materials while preparing shipping cartons to protect products vulnerable to moisture damage during storage and transport.

Choose between Silica Gel and Kraft Clay Staples Desiccants
Staples carries two major types of desiccant packets: silica gel and Kraft clay. Although the packets are permeable and allow the absorption of moisture, they are also robust and durable enough to resist tearing during use. Both are safe for keeping food and pharmaceuticals dry during storage or shipping. Silica gel packets contain granular silicate and have a high affinity for moisture. These desiccant packets can reduce the humidity level in a shipping container down to 40 percent. Although silica gel works best at room temperature, it can pull moisture from the air at temperatures up to 220 degrees Fahrenheit. Staples' clay desiccants come wrapped in Kraft paper and work well at temperatures below 120 degrees Fahrenheit.

Monitor Shipment Moisture Level With Indicating Silica Gel Desiccants
Besides regular silica gel packets, you can also find Staples desiccants that double as humidity indicators. These contain silica gel doped with a chemical agent that changes color when transitioning from a wet state to a dry state. The most commonly used reagent is cobalt chloride. It is deep blue when dry and pink when wet. These indicating silica gel desiccants are for monitoring moisture-sensitive shipments, and their color changes give quick visual indications of current moisture levels. They come in two varieties: three-dot and six-dot packets. The three-dot packets show color-coded humidity level changes from 5, 10 and 60 percent. The six-dot ones offer more detail with intervals at 10, 20, 30, 40, 50 and 50 percent relative humidity.

What are the Key Ingredients of Staples Desiccant Packets?
Staples' silica gel packets contain amorphous silicon dioxide. This is a naturally occurring compound that can absorb water without dissolving. It remains dry to touch even when fully saturated. This highly porous substance can absorb moisture up to 40 percent of its own weight. Staples Kraft clay desiccants contain Montmorillonite clay, another naturally occurring adsorbent. It is also a silicon-based compound, and it swells when absorbing moisture.

Are Staples Desiccants Toxic?
Silica gel and Kraft clay are not toxic, and the FDA approves the former for packaging foods and drugs. They are also non-flammable and non-reactive. However, you should take care not to break open the packets, eat the contents or rub them on the skin. Since they are drying agents, doing these may irritate the digestive and respiratory tract as well as the skin. Do not use Staples desiccants containing indicating silica gel for packaging foods and pharmaceuticals. Since they also include cobalt chloride, a toxic compound, it is best to completely avoid all contacts between the desiccant and consumables.

Can you Reactivate Silica Gel and Clay Desiccants?
Yes, it is possible to reactive and regenerate silica gel and clay desiccants. Doing so requires heating saturated silica gel in a microwave or oven. Saturated clay will lose its absorbed moisture simply by placing it in the sun. However, it is inadvisable to do this since it requires taking out silica gel and clay from their packets. Exposing the granular drying agents to high heat can also cause them to melt.
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Staples Kraft Clay Desiccants - 5 Gallon Pails
Item : SS1084598
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  • Available Dimensions: (1" x 2 1/2" x 1/4"), (1" x 3 1/2" x 1/4"), (3" x 3" x 1/4"), (3" x 4" x 1/4"), and (3" x 6" x 3/8")
  • Use to protect products vulnerable to moisture damage during storage and transport
  • Ideal for protecting pharmaceuticals, nutraceuticals, diagnostics, electronics and food; strong, durable and allow extremely high adsorption rates
As low as 76.89 $76.89
Multiple options available
Staples Silica Gel Packets
Item : SS1084601
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  • Available Dimensions: (5/8" x 1 9/32"), (7/8" x 1 1/2"), (7/8" x 2 1/8"), (1 1/16" x 2 3/4", 2000), (1 1/16" x 2 3/4"), and (1 1/2" x 3 1/4")
  • Packets are strong, durable and allow extremely high adsorption rates
  • Silica gel filling is made from amorphous silicate which has a high capacity for moisture at temperatures below 75° F and humidity levels above 40%
As low as 139.49 $139.49
Multiple options available
Staples® Ice-Brix™ Cold Packs
Item : SS1023090
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  • Extend your shipping times - keep perishables at a constant and desirable temperature for days
  • Specially formulated with food-safe, nontoxic materials that stay colder than ice
  • Leakproof, reusable and economical to use
As low as 17.99 $17.99
Multiple options available
Staples Humidity Indicators
Item : SS1084602
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  • Available Humidity Indicators: 30-40-50%, 5-10-15%, and 5-10-60%
  • Color changes from blue to pink as humidity levels increase
  • Recommended for monitoring electronic equipment or optical instruments
As low as 43.49 $43.49
Multiple options available
Staples Humidity Indicators, 1 9/16" x 4 3/4" 10-20-30-40-50-60%, 200/Case
Item : 947721
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  • Color changes from blue to pink as humidity levels increase
  • Recommended for all-purpose use
  • 200/Case
67.49 $67.49
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