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Subject: Re: Eye protection for working w/borosilicate glass
Date: Wed, 21 Dec 2011 10:18:47 -0600
Author: Ferm Barret A 		Next by Date:
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


Date: Wed, 21 Dec 2011 12:07:10 -0500
Reply-To: DCHAS-L <DCHAS-L**At_Symbol_Here**MED.CORNELL.EDU>
Sender: DCHAS-L Discussion List <dchas-l**At_Symbol_Here**med.cornell.edu>
From: ILPI <info**At_Symbol_Here**ILPI.COM>
Subject: Re: Eye protection for working w/borosilicate glass
X-To: DCHAS-L
In-Reply-To: <37E2AFAA-B661-4D67-B4EE-BC72BE17272A**At_Symbol_Here**dchas.org>

Didymium glasses a must for borosilicate glasswork.  Generic sunglasses are not sufficient.  See our Scientific Glassblowing Learning Center at http://www.ilpi.com/glassblowing/glassblowertools.html for information about these kinds of glasses and their various permutations.   Technical data is here: http://www.ilpi.com/glassblowing/rosedidymium.html

You can find a wide variety of glasses and face shields at these two vendors - they offer far more than just the basic set of glasses you're likely to find from the major lab houses.  Neither I nor my company has any affiliation with these:

http://www.waleapparatus.com/store.asp?pid=18622&catid=19836
http://secure.mediafusiontech.com/heathway/shopping/Items.asp?action=DISPLAY&Category=22

Rob Toreki

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Safety Emporium - Lab & Safety Supplies featuring brand names
you know and trust.  Visit us at http://www.SafetyEmporium.com
esales**At_Symbol_Here**safetyemporium.com  or toll-free: (866) 326-5412
Fax: (856) 553-6154, PO Box 1003, Blackwood, NJ 08012

On Dec 21, 2011, at 10:27 AM, Secretary, ACS Division of Chemical Health and Safety wrote:

From:  phil_mckittrick**At_Symbol_Here**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 one time.  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 sure what eye protection to provide.  He has tried welders goggles, but found them too dark.
 
Thanks,
 
Phil McKittrick
Nalco Company

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