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Cold Jet’s dry ice pelletizers allow you to make your own extruded high-density dry ice products.  From 3 mm blasting pellets to 19 mm nuggets for shipping.  Our products are reliable, safe and easy to use, and they come backed by the world’s most uniquely experienced service technicians.

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MANUFACTURING DRY ICE MACHINES

Dry ice manufacturing starts with liquid carbon dioxide held under pressure (300 psi) in bulk storage vessels. To begin making dry ice, the liquid C02, is sent through an expansion valve into an empty chamber where under normal atmospheric pressure it flashes into C02 gas. This change from liquid to gas causes the temperature to drop quickly. About 46% of the gas will freeze into dry ice snow. The rest of the C02 gas, 54%, is released into the atmosphere or recovered to be used again. The dry ice snow is then collected in a chamber where it is compressed into block, pellet or rice size pieces to meet customers requirements. The denser the dry ice is, the longer it will last, the easier it is to handle, and the better it will perform when blast cleaning.

There are three major types of dry ice machines. The first is a dry ice block maker. It can produce a 220 pound solid block which is usually cut into four 55 pound blocks about 11 inches cubed Newer block machines make a 50 pound or even a 10 pound block. Next there are machines that produce pellets from smaller than 1/8 inch for dry ice blast cleaning to 3/4 inch in diameter. Sometimes these machines include additional parts for blast cleaning. There are four or five major manufacturers in the world. Several additional companies manufacture small dry ice makers that connect to a CO2 tank and make 5 to 10 pound blocks of lower density dry ice.

Charles Hyde of CO2 Air Inc. has developed a machine to produce airline size dry ice blocks with a pelletizer and reformer saving many band saw cuts and associated labor.

For a low cost alternative to making dry ice blocks you can even make dry ice snow yourself with a CO2 tank. Although it is not very efficient, just open the hose into a burlap bag, and then pack the dry ice snow into a container. This can be used to fill coolers, quick freeze food products before shipment, science projects, and many of the same uses as traditional higher density blocks of dry ice without the expensive hydraulics and capitol costs of a large dry ice maker. It will also save on storage loss through sublimation as it is only used when immediately needed.

All about CO2
Email: info@ascoco2.com

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This informative site is supported by the following manufacturers and sellers of dry ice supplies and equipment. Thank you for supporting them.

CO₂ Air, Inc.
Block Presses, Pelletizers, Storage Vessels & Dry Ice Boxes
1445 Ventura Drive
Cumming, Georgia, USA
USA  30040
Voice: 1-800-391-9868 Voice: (770)-889-2489
Fax:(770)-889-2379
E-Mail: Sales and Information
Web Address: www.co2airinc.com

H&R Industries, Incorporated
Containers for Dry Ice
30553 S. Dixie Hwy. - Beecher, Illinois, USA 60401
Ph. 800-526-3244 - Fax (708) 946-3251
E-Mail: mailto:info@hrind.com
Web Site: http://www.hrind.com/

3340 Rosebud Road
Loganville, Georgia, USA 30052
800-832-4262        770-979-8000
Fax:770-978-5861
E-mail: tomco@tomcoequipment.com
Web Site:http://www.tomcoequipment.com/

Offering the BEST in Dry Ice and
CO₂ Storage and Manufacturing Equipment.
Including 24/7 Technical Support!

 ThermoSafe Brands
3930 North Ventura Drive
Suite 450
Arlington Heights, IL 60004
(800) 323-7442
Fax (847) 398-0653

e-mail: info@thermosafe.com

Web Site: http://www.thermosafe.com

Thermal packaging specialists for shippers of temperature sensitive payloads.

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ASCO CARBON DIOXIDE LTD
Industriestrasse 2
CH-8590 Romanshorn / Switzerland
tel:     +41 71 466 80 80 (reception)
fax:     +41 71 466 80 66

Email: info@ascoco2.com

Web Site: http://www.ascoco2.com/

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