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Polygon uses state-of-the-art vacuum freeze-drying chambers that use negative pressure to create the most effective drying solution for certain materials and projects. Polygon has also perfected the use of a desiccant air dry distribution system. This energy-saving technology system allows Polygon to provide customers with real-time access to documents as they complete reprocessing – a major advantage when trying to maintain the activities of a company or organization during a disaster.
Polygon uses state-of-the-art vacuum freeze-drying chambers that use negative pressure to create the most effective drying solution for certain materials and projects. Polygon has also perfected the use of a desiccant air dry distribution system. This energy-saving technology system allows Polygon to provide customers with real-time access to documents as they complete reprocessing – a major advantage when trying to maintain the activities of a company or organization during a disaster.
Vacuum Freeze Drying
The vacuum freeze-drying process is the most efficient and effective method for the drying of wet papers and other documents. Using this method, Polygon technicians can restore water-damaged materials quickly and effectively, reducing back processing time by 20 to 30 percent. During this process, the materials are placed in an airtight chamber into which negative vacuum pressure is induced. As a result, the documents go from the frozen state to being dry without ever becoming re-liquefied. This method is especially beneficial in cases where documents may warp or distort.
Desiccant Air Drying
In this process, the frozen documents are removed from the packing cases and placed on racks and shelves. Applying desiccant dehumidification, the room atmosphere is maintained at about 68ºF and 12% humidity. Desiccant dehumidifiers use the changing vapor pressures to dry air continuously in a repeating cycle. In so doing, the dry air created in the room removes the moisture from the documents. Depending on the amount of moisture and documents being dried, the process can take from one to seven days to complete.
Cleaning and Sterilization
Cleaning removes any dirt, grime, or fungi spores. Polygon’s trained staff clean each document using materials such as sponges and scrub pads while avoiding the use of liquid solutions that would reactivate the moisture in the materials. In cases with mold spores, individuals follow standard procedures for spore removal, including the use of High-Efficiency Particulate Air (HEPA) vacuum systems. If the materials have been exposed to hazardous waste or black water, they can be treated with gamma irradiation. Documents exposed to gamma irradiation will have no chemical residue and are considered sterile.
Digital Imaging
Some clients may choose to digitally image their records after or instead of restoration. Storing digital copies of important files offers many benefits and can be a safeguard to protect these records from future environmental concerns. Polygon can provide digital imaging services in a customized format specific to each set of client needs.
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Emergency Support
1-800-422-6379Send an email
us_info@polygongroup.com24/7 Hotline
Urgent equipment and operational support
Property damage
Documents and contents damage
24/7 Emergency:
United States: 1-800-422-6379
Canada: 1-888-702-4782
Polygon US Headquarters
15 Sharpner’s Pond Road, Building F North Andover, MA 01845
Phone: 1-800-422-6379
See all our US locations here: Polygon US office locations
For global support, please contact one of our offices listed here: Our Global offices - Polygon Group
