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What is Dry Ice Blasting ?
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#1 Posted : 24 January 2008 07:04:00(UTC)
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Posted By Maria Edwards
History fascinates me. I love reading historical books and watching movies with a historic touch. I really admire the archaeologists who spend days and nights in preserving history. It’s such a challenging job to bring historical remains back to their original state. It at times pains me to see how magnificent structures get ruined over the centuries.

Once while browsing the net, I came across something called dry ice blasting and how it is used to clean historical structures. I have no idea whatsoever on this thing. I am a little curious to know about this.

Maria
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#2 Posted : 24 January 2008 08:04:00(UTC)
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Posted By Lime Jelly
Explanation at this link:

http://www.rsg-technolog...ce-blasting-overview.htm
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#3 Posted : 24 January 2008 09:08:00(UTC)
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Posted By Chris Packham
I have recommended this process for removing ink residues from a large newsprint press. Eliminated the need for solvents, PPE, etc. and saved considerable money.

One problem was the logistics of obtaining, storing and using dry ice pellets, but there are now systems available that produce the pellets on site as required using liquid CO2.

Chris
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#4 Posted : 24 January 2008 10:22:00(UTC)
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Posted By John Lewis
It is a process used to clean moulds in the plastics industry. The big downside from my experience is the huge noise levels produced in operation. Still, weighed against solvents and other nasties it is a small price to pay if you operate a safe system.

John
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#5 Posted : 24 January 2008 12:07:00(UTC)
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Posted By Kevin Coghill
Also known as cryogenic cleaning. It is used at my place of work to clean iron moulds
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