From: "Wright, Mike" <mwright**At_Symbol_Here**USW.ORG>
Subject: Re: [DCHAS-L] LETTER: Beware of flammable chemical in wood stain, shed caught fire
Date: Thu, 13 Jul 2017 11:52:43 +0000
Reply-To: ACS Division of Chemical Health and Safety <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Message-ID: 673A00C44C25834BA3198AADFC1EB7AE961237CB**At_Symbol_Here**PIT-MAIL01.uswa-us.local
In-Reply-To <15d3808120a-2e25-1f03e**At_Symbol_Here**webprd-m98.mail.aol.com>


Our union represents workers in the paper industry. Paper, of course, is made from wood fiber, and the process of extracting the fiber leaves behind a lot of natural oils and other materials that are highly flammable and can form explosive vapors. It's a serious hazard in the industry. Just because something comes from a plant doesn't mean it's safe. (Actually, gasoline comes from plants. It just takes a while.)

 

Mike

 

Michael J. Wright

Director of Health, Safety and Environment

United Steelworkers

 

412-562-2580 office

412-370-0105 cell

 

"My friends, love is better than anger. Hope is better than fear. Optimism is better than despair. So let us be loving, hopeful and optimistic. And we'll change the world."

                                                                                                                                                                                         Jack Layton

 

 

 

 

From: ACS Division of Chemical Health and Safety [mailto:DCHAS-L**At_Symbol_Here**PRINCETON.EDU] On Behalf Of Monona Rossol
Sent: Wednesday, July 12, 2017 2:21 PM
To: DCHAS-L**At_Symbol_Here**PRINCETON.EDU
Subject: Re: [DCHAS-L] LETTER: Beware of flammable chemical in wood stain, shed caught fire

 

Yup.  Linseed, tung, poppyseed, walnut, citrus oil, and a bunch of setting oils are used.  Some of these need a metal drier in them to speed the reaction, so don't try ingesting any setting oil.  

 

To clarify, "boiled" linseed oil is a misnomer.  Years ago, they would boil linseed oil to get it to set up more quickly, but that process also made it tend to set up in the container.  So now they don't boil the oils to start the polymerization, that add a metal drier.  The most common ones were lead driers, now we are likely to see a variety of other metal compounds used to initiate the exothermic setting reaction.

 

But heating the oils also will work.  And in this case you can worry about all natural oils.  There has been a bunch of spontaneous fires in piles of laundry still warm from the drier that have been attributed to olive oil and some essential oils used in massage that didn't completely wash out of the sheets and robes.

 

I'm sure it's pathological, but something about that story makes me very happy.

 

Monona Rossol, M.S., M.F.A., Industrial Hygienist

President:  Arts, Crafts & Theater Safety, Inc.

Safety Officer: Local USA829, IATSE

181 Thompson St., #23

New York, NY 10012     212-777-0062


 

 

-----Original Message-----
From: Debbie M. Decker <dmdecker**At_Symbol_Here**UCDAVIS.EDU>
To: DCHAS-L <DCHAS-L**At_Symbol_Here**PRINCETON.EDU>
Sent: Wed, Jul 12, 2017 1:08 pm
Subject: Re: [DCHAS-L] LETTER: Beware of flammable chemical in wood stain, shed caught fire

Monona Rossol wrote:

There's your fuel and the fire-starter, PLAIN OLD TUNG OIL.  All these "natural" plant-derived setting oils will do this.

 

 

 

Is this a cousin of linseed oil, well-known self-combustible?

 

 

Debbie M. Decker, CCHO, ACS Fellow

Past Chair, Division of Chemical Health and Safety

University of California, Davis

(530)754-7964

(530)304-6728

 

Birkett's hypothesis: "Any chemical reaction

that proceeds smoothly under normal conditions,

can proceed violently in the presence of an idiot."

 

 

 

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