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Subject: Re: Eye protection for working w/borosilicate glass
Date: Wed, 21 Dec 2011 18:55:36 -0500
Author: ACTSNYC**At_Symbol_Here**CS.COM 		Next by Date:
Subject: Re: Eye protection for working w/borosilicate glass
Date: Wed, 21 Dec 2011 17:55:52 -0500
Author: ACTSNYC**At_Symbol_Here**CS.COM


Date: Wed, 21 Dec 2011 18:00:21 -0500
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
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From: ACTSNYC**At_Symbol_Here**CS.COM
Subject: Re: Eye protection for working w/borosilicate glass
X-To: dchas-l**At_Symbol_Here**med.cornell.edu

There's almost no UV coming off.  Instead it is IR and some sodium flare yellow.  There are weldingshades # 1 and # 2 that he might not find too dark.

Monona


In a message dated 12/21/2011 3:58:25 PM Eastern Standard Time, secretary@DCHAS.ORG writes:

From:  phil_mckittrick@yahoo.com


One of our labs uses sealed borosilicate glass tubes for some experiments.  A tech seals several dozen of the tubes with a torch (I know he is using oxygen, I think the fuel is propane, I know it is not acetylene) at onetime.  He was complaining about the brightness of the light, so is now wearing safety sunglasses that block 99+% UV.

Anyone have experience with something similar to this?  I have seen the didymium glasses that hobbyists use for glass blowing, but I am not surewhat eye protection to provide.  He has tried welders goggles, but found them too dark.

Thanks,

Phil McKittrick
Nalco Company

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