From: Yaritza Brinker <YBrinker**At_Symbol_Here**FELE.COM>
Subject: Re: [DCHAS-L] Glove permeation chart - not company
Date: Mon, 20 Sep 2021 17:00:52 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Message-ID: CH2PR05MB6807E2C570F1C0743F6EAD6DADA09**At_Symbol_Here**CH2PR05MB6807.namprd05.prod.outlook.com
In-Reply-To <191317357.2297442.1632150899859**At_Symbol_Here**mail.yahoo.com>


Correct, the test done by TLARGI is for swell of rubbers by immersion for an extended time. This is obviously different than a glove permeation test in minutes.

 

The point I trying to make is that if the chemical you are interested in is not listed on a glove chart, then you could use the TLARGI chart as a starting point to understand which glove type could potentially be used and which won't have a shot. You'd still have to do the permeation test to determine the required glove thickness and understand maximum wear time.

 

Also, the TLARGI chart is commonly referenced in industry for rubber selection. Materials with a rating of 1 are considered suitable for long term service. So, researchers can also use it to select elastomers for experimental set-ups and replacement parts in old equipment.

 

Thank you,

 

Yaritza Brinker

260.827.5402

 

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> On Behalf Of Monona Rossol
Sent: Monday, September 20, 2021 11:15 AM
To: DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: Re: [DCHAS-L] Glove permeation chart - not company

 

** External Email **

Interesting, but it appears that it is resistance and not permeation they are testing for.  Some chemicals go through polymers without showing any signs of having done so.  They appear unchanged and would appear to have good resistance to chemical damage.  So the ASTM test for permeability in minutes is what I recommend for use.  Every manufacturer also has information on resistance and degradation, but you can almost detect that yourself with observation. 

 

Monona

-----Original Message-----
From: Yaritza Brinker <
YBrinker**At_Symbol_Here**FELE.COM>
To:
DCHAS-L**At_Symbol_Here**Princeton.EDU
Sent: Mon, Sep 20, 2021 9:45 am
Subject: Re: [DCHAS-L] Glove permeation chart - not company

I addition to everyone's fantastic advice, I'd like to point out that the ACS Rubber Division's Los Angeles Rubber Group developed a chemical resistance chart for rubber materials. This chart can be useful when the subject chemical is not listed in the manufacturer's glove chart. At a bare minimum, it will give you an indication of potential issues with various glove types.

 

 

Also, the chart is also available as a searchable database hosted by Dupont at https://mscrm-dupont.secure.force.com/CRG_TlargiGuide

 

Thank you,

 

Yaritza Brinker

260.827.5402

 

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> On Behalf Of Jessica Martin
Sent: Sunday, September 19, 2021 9:14 AM
To:
DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: Re: [DCHAS-L] Glove permeation chart - not company

 

** External Email **

Thank you to everyone who provided useful answers and resources on this thread. As always, it is interesting to see how seasoned professionals take on even the most basic of questions. Also, I always enjoy reading the historical perspectives that several members here bring to discussions like these. As you well know, newbies benefit far more from mentorship than a Google search.

 

Best,

Jessica A. Martin, Ph.D.

NSF Graduate Research Fellow (2018-2021)

Joint Safety Team, Founding Member (2018-2021)

Pinkhassik Group, Department of Chemistry (2016-2021)

University of Connecticut

323-327-3974

 

"To change a community, you have to change the composition of the soilÉ

If you want to meet with me, come to the garden with your shovel so we can plant some sh-t." 

Ron Finley

 

"Argue for your limitations 

and sure enough they're yours." 

Richard Bach

 

"You know, farming looks mighty easy

when your plow is a pencil, and you're

a thousand miles from the corn field."

Dwight Eisenhower

 

"Sometimes you just have to nod

like a lizard."

Monica Nyansa 

 

On Sep 17, 2021, at 8:37 PM, John Callen <jbcallen**At_Symbol_Here**GMAIL.COM> wrote:

 

 

*Message sent from a system outside of UConn.*

 

 

Monona,

 

The reason why I didn't include Kimberly-Clark and certain other manufacturers was based upon my chemistry experience from high school through research at 3M.

 

Although it dates me, during that period, from 1961 until 1976, the use of "disposable/single use" examination gloves was not only unthinkable but also forbidden.  I was acquainted only with and used the Ansell Solvex (nitrile), neoprene and natural latex rubber gloves with caliper thickness 15mil - 22mil for any and all work on the open lab bench, in a hood/cabinet or glove box.

 

I may be "old fashioned" but also I have at home a supply of those type of gloves for housework.  I do have a box of 4mil nitrile examination gloves but use them only for medical and personal hygiene reasons.  

 

Be Safe and Stay Healthy!

 

John

3M Personal Safety Division - Retired

ACS/DCHAS Founding Member

(312) 632-0195

 

On Sep 17, 2021, at 12:57, Monona Rossol <0000030664c37427-dmarc-request**At_Symbol_Here**LISTS.PRINCETON.EDU> wrote:

 

John, you can add to the wonderful list of manufacturers Kimberly Clark who makes the thin examining gloves that most chemistry students and their teachers that I see actually use.  And they do have a chart as I mentioned. But they also clearly say in their brochure that those gloves should be removed and replaced if a chemical even splashes on them.   Monona

-----Original Message-----
From: John Callen <
jbcallen**At_Symbol_Here**GMAIL.COM>
To: 
DCHAS-L**At_Symbol_Here**Princeton.EDU
Sent: Fri, Sep 17, 2021 12:08 pm
Subject: Re: [DCHAS-L] Glove permeation chart - not company

Jessica,

 

As per the replies to your request, the consensus is that you should work with the data as "manufacturer specific" and not "generic."

 

Here are two helpful information sheets from W. W. Grainger, Quick Tips #166 & #191 on chemical resistant gloves.

 

 

 

Also, you may want to speak to someone at the Technical Service Department of any one of the following manufacturers and Grainger for help.

 

  • Ansell
  • Grainger (distributor)
  • Magid Glove & Safety (manufacturer/distributor)
  • MAPA
  • North by Honeywell
  • SHOWA

 

Good Luck!

 

Be Safe and Stay Healthy!

 

All My Best,

 

John B. Callen, Ph.D.

3M Personal Safety Division - Retired

ACS/DCHAS Founding Member

(312) 632-0195

 

 

 

 

 

On Sep 17, 2021, at 10:26, Margaret Rakas <mrakas**At_Symbol_Here**SMITH.EDU> wrote:

 

you also have to take into account the glove thickness, which could vary by brand.  Some nitrile gloves are 4 mm, others 8 mm...

 

I don't think I would want a generic chart, so much depends on the mfg.  And they have quite a bit of incentive to get it right...$$$$$

 

My two cents...

 

On Fri, Sep 17, 2021 at 7:44 AM Zack Mansdorf <mansdorfz**At_Symbol_Here**bellsouth.net> wrote:

Nelson Schlatter (Ansell)

Zack Mansdorf

 

Sent from my iPhone 7

 

On Sep 17, 2021, at 5:32 AM, Bruce Van Scoy <bvanscoy**At_Symbol_Here**twc.com> wrote:

?

Caution:  If you are going to be citing the NIOSH Recommendations for Chemical Protective Clothing for glove guidance - check when it was published, it is severely dated.

Monona is right, look at the individual glove manufacturer for testing permeation and degradation information.  If you do a Google search, you'll end up with generic information that will be unreliable - depending upon which glove has been specified.  

Suppliers and Google will provide generic "data" but nothing I would rely upon when you really need to confirm adequate protection. 

It's late and I can't remember the name of the organic chemist who started the testing work at Ansell.  He developed the first spreadsheet, which later turned into their database.  When I ran into a new molecule that was going to be tested for toxicity as an investigational new drug, if he could not refer to a very close analog to provide protection, I could send him a sample and he would test to provide a recommendation.  It depends upon what you are trying to protect against.  Is a generic, possibly diluted level of protection adequate or are you trying to protect from a true hazard?

 

From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> On Behalf Of Elliot Stein
Sent: Thursday, September 16, 2021 7:23 PM
To: 
DCHAS-L**At_Symbol_Here**Princeton.EDU
Subject: Re: [DCHAS-L] Glove permeation chart - not company

 

 

The Recommendations for Chemical Protective Clothing database is a contractor's product procured by the National Institute for Occupational Safety and Health (NIOSH). Thus, the recommendations contained in this database do not necessarily reflect NIOSH policy.

 

The Recommendations for Chemical Protective Clothing database is a contractor's product procured by the National Institute for Occupational Safety and Health (NIOSH). Thus, the recommendations contained in this database do not necessarily reflect NIOSH policy.

 


From: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**Princeton.EDU> on behalf of Jessica Martin <jessica.a.martin**At_Symbol_Here**UCONN.EDU>
Sent: Thursday, September 16, 2021 9:30 PM
To: 
DCHAS-L**At_Symbol_Here**Princeton.EDU <DCHAS-L**At_Symbol_Here**Princeton.EDU>
Subject: [DCHAS-L] Glove permeation chart - not company

 

Hi all, 

 

I am looking for a chart of chemical permeation of different types of gloves - BUT I am trying to find one that isn't produced by a for-profit company. 

 

Does anyone know if this exists? If so, link would be most helpful!

 

Thanks!

 

Best,

Jessica A. Martin, Ph.D.

NSF Graduate Research Fellow (2018-2021)

Joint Safety Team, Founding Member (2018-2021)

Pinkhassik Group, Department of Chemistry (2016-2021)

University of Connecticut

323-327-3974

 

"To change a community, you have to change the composition of the soilÉ

If you want to meet with me, come to the garden with your shovel so we can plant some sh-t." 

Ron Finley

 

"Argue for your limitations 

and sure enough they're yours." 

Richard Bach

 

"You know, farming looks mighty easy

when your plow is a pencil, and you're

a thousand miles from the corn field."

Dwight Eisenhower

 

"Sometimes you just have to nod

like a lizard."

Monica Nyansa 

 

--- For more information about the DCHAS-L e-mail list, contact the Divisional membership chair at membership**At_Symbol_Here**dchas.org Follow us on Twitter **At_Symbol_Here**acsdchas 

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-- 

Margaret A. Rakas, Ph.D.
Lab Safety & Compliance Director
Clark Science Center
413-585-3877 (p)

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