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Abrasive Blasting


dep5

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<!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:DoNotOptimizeForBrowser/> </w:WordDocument> </xml><![endif]--> I am blasting my open car trailer with 1240 Black Beauty abrasive also known as coal slag, black diamond, black blast or boiler slag. It is one of the safer forms of abrasive media, containing less than 1% or no silica.

I inquired of a scuba diving friend about local resources for testing my heavily filtered air supply and verifying that I indeed am introducing grade D breathing air into my air supplied hood.

He sent me the attached resource including descriptions of somewhat esoteric hi-pressure scuba diving air compressors but more importantly, it contained some interesting information on breathing air filtration which might prove useful to the non smoking readers of this forum.

I just got an error message to effect that "Your file of 296.3 KB bytes exceeds the forum's limit of 195.3 KB for this file type.

Click on the link to view the article. Thanks

http://www.1934plymouth.com/technical/UnderstandingCompressorsArticle.pdf

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