What is Dry Ice Blasting ? |
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What is Dry Ice Blasting ? |
maria143 |
Jan 24 2008, 12:20 AM
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#1
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Newbie Group: Retired Members Posts: 1 Joined: 24-January 08 From: california Member No.: 8,614 Region Association: None |
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 (IMG:style_emoticons/default/rolleyes.gif) |
Dave_Darling |
Jan 24 2008, 01:24 AM
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#2
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914 Idiot Group: Members Posts: 14,991 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California |
It is used on cars (sometimes) to remove paint and dirt from metal panels. Dry ice (frozen CO2) chips are blown at the panel with compressed air. They wear the paint and dirt off, but do not affect the metal if care is taken. Then the ice melts and vaporizes into CO2, which makes cleanup a whole lot easier.
The fact that dry ice is VERY VERY COLD also helps cut down on panel heating, which is one of the big problems with sand-blasting or other media blasting. --DD |
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