DriBox Applications


DriBox Applications

SAFES, whether they are for personal documents and valuables storage or large units designed for secure gun storage are an excellent application for the dri-box. The color change from blue to pink upon saturation, informs the user of when the product needs recharging.

Why does every safe need a dribox?

Many safes are built to withstand extreme temperatures in the event of fire. In such a situation it would become even more important to have the air inside the safe with a dri-box. High temperatures allow moisture in the air to condense into water vapor which can damage valuable documents and other items.

How to calculate the appropriate quantity of desiccant or number of dri-boxes to place inside a home safe.

The new factor of the unit will provide both O.D. and I.D. information. This information will provide you with the cubic feet of the safe.
Since each dri-box will lower the humidity within a 3 cubic foot area to a safe level is one which will prevent corrosion or tarnishing to metal items and prevent mold growth or moisture condensation damage to paper and cloth items.
Note: Please follow these simple instructions to calculate the volume inside your safe and determine the appropriate number of dri-boxes you will need.


Example A:

This safe has an Inside Dimension of: 45.5" W x 21.5" D x 18.5"

Multiply these three dimensions to get the total inches.
45.5 x 21.5 x 18.5 = 18097.625 inches.

Because this volume (18097.625) is inches you must first multiply the number of inches in a cubic foot, which is: (12 x 12 x 12.)
12 x 12 x 12 = 1728

Divide your first total by your second total:
18097.625 ÷ 1728 = 10.47 cubic feet
1 Dri-Box will dry 2 – 3 cubic feet.
1500 - 1800 cubic inches.
4 Dri-Boxes could easily maintain a safe relative humidity within this unit (unless the safe is opened often.)

What if I have a very large safe?

In a case of very large safes one might choose to use one or two dri-boxes because of their color indicating feature, in conjunction with a large desiccant bag.
IMPAK has a standard product in which 10 1lb desiccant bags are provided in an aluminum foil sealed bag.
P/N: 10MFS2030U16 - 1 lb. Desiccant Bags
Each one of these bags will dry down 15 - 18 cubic feet and the additional bags can be stored inside the safe for future use.
These 16 unit bags (each weighs approximately 1lb. and is 7.5” x 10”) are perfect for overseas shipping, power panels, personal item storage, dry powder packaging, or mold & mildew prevention. The Tyvek cover is tear-resistant, clean, strong, and non-dusting. It is also liquid impermeable.
Regeneration instructions are written on the package.

Have a unique application that you'd like IMPAK to help find a solution? Contact us to get started

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Desiccant Calculator

Use this desiccant calculator to determine the quantity of desiccant you need. Please note: IMPAK recommends this as a starting point, not as a replacement for speaking with one of our trained specialists.

Desiccant Comparison Chart

By comparing the properties and capabilities of each desiccant product, it is possible for you to identify the correct desiccant for your needs and make a clear choice. Use the description and chart on this page to compare desiccants such as molecular sieve, silica, and montmorillonite clay.

Desiccant Selection Guide

When dealing with moisture problems in packaging, a wide array of variables can make it difficult or confusing to develop solutions. These variables can be classified into two main groups:
1) those pertaining to the product, its package, and the environment;
2) the physical and chemical properties of commercially available desiccants.