Re: [BKARTS] Fungicide

[John MacKrell <johnmackrell@xxxxxxxxxxx>]

It is thymol that you want, not tymol.  Talas sells it--but be careful, it
is a nasty chemical


> From: Leonard Seastone <lseastone@xxxxxxx>
> Reply-To: Book_Arts-L <BOOK_ARTS-L@xxxxxxxxxxxxxxxx>
> Date: Fri, 8 May 2009 19:40:01 -0400
> To: <BOOK_ARTS-L@xxxxxxxxxxxxxxxx>
> Subject: Re: [BKARTS] Fungicide
> 
> With some caveats you could use: A small tincture of tymol (tymol crystals in
> an alcohol base) placed in an open dish inside a closed plastic bag with the
> book should do. Then wipe with a solution of alcohol (70% alcohol / 30 %
> water).
> 
> 
> There has been concern that tymol is a carcinogen yet it remains an ingredient
> in some mouthwashes and cough drops. Be cautious with the crystals. Do I
> recommend it: officially no. Do I use it: yes.
> 
> 
> 
> 
> Leonard
> 
> 
> -----Original Message-----
> From: Carol Pratt <jcpratt@xxxxxxx>
> To: BOOK_ARTS-L@xxxxxxxxxxxxxxxx
> Sent: Fri, 8 May 2009 2:24 pm
> Subject: Re: Fungicide
> 
> 
> 
> 
> 
> 
> 
> I was told in a mold-abatement seminar some years ago to wipe with plain
> rubbing alcohol (70% isopropyl, 30% water).  Or if water was an issue for the
> material, to choose isopropyl alone.  I don't know if there have been tests
> done on this.  The water in rubbing alcohol is/was thought to swell the
> spores, and the alcohol kills them. 
>  
> 
> Ethanol is effective, in that it will kill spores and active mold.  However,
> if exposed to damp conditions again, the mildew-mold will recur with greater
> speed than before.  Ethanol is not particularly healthy to breath. 
>  
> 
> Nothing much will kill ALL the spores, so keeping the treated item dry and
> clean and etc. continues to be important. 
>  
> 
> Isopropyl is not considered to be especially hazardous to the user, although
> as with any chemical, some care should be taken. 
>  
> 
> Carol 
> 
> Eugene, OR 
>  
> 
> 
> On
>  May 8, 2009, at 10:50 AM, Jet Foncannon wrote: 
>  
> 
>>    I am a bit disappointed in the fact that this group seems to > have been
>> unable to reach a consensus on a reasonable choice for a > fungicide. The
>> chemophobes among us react with great horror to any > suggestion, and the
>> environmentally sanctioned choices (tea tree > oil) just don't work. Yet we
>> all use products to which the > manufacturers add effective fungicides--- PVA
>> for instance. 
> 
>>    I wish there were an adhesives chemist subscribing to this group. 
> 
>>  
> 
>> David Amstell wrote: 
> 
>>  
> 
>>> Greetings, 
> 
>>>  
> 
>>> A customer has given us a set of the Encyclopedia Britannica, from >> the 
> 
>>> 1980s, with vinyl covers, to clean up.  All volumes have suffered >> severe 
> 
>>> dusting to the top edges, and significant mould to the spines.  A >> member
>>> of 
> 
>>> the customer's family is allergic to fungi, so we have been asked >> to
>>> kill 
> 
>>> the spores, and treat them with a fungicide to protect them further. 
> 
>>> Are there any suggestions please on a safe fungicide to use. 
> 
>>>  
> 
>>> Thank you. 
> 
>>>  
> 
>>> David 
> 
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