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Hi John:

Agree with you all the way.

Question for Dave -- is this CD out of print? It might just be easier to buy a new copy on Amazon or 
from "new and used" associated sellers. Or borrow it from your library, make a bit-perfect copy, and 
be done with it.

-- Tom Fine

----- Original Message ----- 
From: "John Schroth" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, September 29, 2015 6:02 PM
Subject: Re: [ARSCLIST] Chandos CD ALERT


> Another great chemical to try is Eucalyptus oil. It is natural and in most cases as good as 
> "goo-gone" without the harsh chemicals. I've been using this for years on other types of media 
> with great success to remove goo, adhesives, even sharpie markings. Easy to get at a 
> health/natural food store and many pharmacies. I don't know what the short-term or long-term 
> effect Eucalyptus oil has on CD plastic is though. I'm presently out - otherwise I'd test it on a 
> CD for you. My gut feeling is that it would not cloud the CD plastic - at least not right away.
>
> As soon as you do find a way to remove the foam/glue, I'd copy or rip the disk to file be safe.
>
> I'd like to add a step 4 - NOTE: The following would be a last resort if the only chemical that 
> removed the foam, also clouded the CD plastic, and you had no other option.
>
> Using a straight edge safety razor blade to remove or "shave" off the foam/goo off the surface of 
> the CD (like using a straight edge razor at an extreme angle to remove your car's inspection 
> sticker). Granted glass is much harder than CD disk plastic. There would likely be resultant 
> surface scratches but these can be removed with a good disk surface re-finisher. Not that it fits 
> in everyone's budget, but our shop is lucky enough to have an RTI disk resurfacing machine and 
> they do a fantastic job on removing even moderate to aggressive scratches and the disk looks and 
> plays like new after. I've refinished disks 4-5 times without getting down to the photo-sensitive 
> dye layer.
>
> Regards
>
> John Schroth
> MTS
>
> On 9/29/2015 5:18 PM, Tom Fine wrote:
>> I would say, hot tap water and don't handle the disc too aggressively because you might well warp 
>> it. Boiling water, no, at least not with a disc you care about. Maybe boiling water isn't so hot 
>> it would warp or melt the plastic, maybe it is. I wouldn't want to find out it is by boiling a 
>> disc I cared about!
>>
>> In thinking about this thread, if I were you I'd try:
>>
>> 1. hot tap water and gentle pressure on the disc surface, supporting the disc on a flat surface 
>> if possible
>> and if that doesn't work ...
>> 2. isopropynol on something akin to a pelon wipe, appyling as gentle pressure as will remove the 
>> goo
>> and if that doesn't work ...
>> 3. Naptha, same technique as the isopropynol.
>>
>> Let us know what works, and if isoprop or naptha cloud up the plastic (I don't think they will, 
>> but I don't know this for a fact). It would be good to have some actual experience-based 
>> knowledge!
>>
>> -- Tom Fine
>>
>> ----- Original Message ----- From: "Dave Burnham" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Tuesday, September 29, 2015 5:09 PM
>> Subject: Re: [ARSCLIST] Chandos CD ALERT
>>
>>
>> How hot are we talking about, hot tap water, tap water too hot to touch, or water heated on a 
>> stove? Wouldn't that damage the disc?
>>
>> db
>>
>> Sent from my iPhone
>>
>>> On Sep 29, 2015, at 4:44 PM, Tom Fine <[log in to unmask]> wrote:
>>>
>>> Dave Burnham, I think John makes a good suggestion -- try very hot water first, see how you do. 
>>> And please report back if you try it! I'd like to know if water alone will remove the goo.
>>>
>>> -- Tom Fine
>>>
>>> ----- Original Message ----- From: "John Schroth" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Tuesday, September 29, 2015 4:10 PM
>>> Subject: Re: [ARSCLIST] Chandos CD ALERT
>>>
>>>
>>>> Interestingly enough - I have a rather large camera collection in my lobby and the leatherette 
>>>> finish on some of the 1970's Kodak Camera products (such as the Super 8mm motion picture 
>>>> cameras) are also turning to goo.
>>>>
>>>> What about using very hot water to soften and remove the foam from between the CD's? In that 
>>>> way one does not stand the risk of clouding the CD surface with a chemical.
>>>>
>>>> John Schroth
>>>> MTS
>>>>
>>>>> On 9/29/2015 2:03 PM, Tom Fine wrote:
>>>>> Hi Alan:
>>>>>
>>>>> Yes, agree. However, let me report that I just salvaged several Kodak slide carousel trays 
>>>>> from the 1980s, and the foam was in good shape. I still threw it out, knowing it would 
>>>>> eventually go bad.
>>>>>
>>>>> I do think the US and European versions of this foam were different "recipes," and that the US 
>>>>> version tends to last longer and deteriorate more as a somewhat sticky powder rather than a 
>>>>> ruinous gooey ooze. It probably also depends on climate (temp and humidity).
>>>>>
>>>>> -- Tom Fine
>>>>>
>>>>> ----- Original Message ----- From: "Alan Lewis" <[log in to unmask]>
>>>>> To: <[log in to unmask]>
>>>>> Sent: Tuesday, September 29, 2015 1:55 PM
>>>>> Subject: Re: [ARSCLIST] Chandos CD ALERT
>>>>>
>>>>>
>>>>>> The same foam warning should be applied to many AV products and  containers:
>>>>>>   -  3M 2" videotape cases from the  1960s used a foam gasket that
>>>>>> deteriorates.
>>>>>>   -  Some Kodak 35mm Carousel slide drum  cardboard boxes had a sheet of
>>>>>> foam in them.
>>>>>>   -  Some electronic component  packaging and carrying cases were/are
>>>>>> foam lined.
>>>>>>   -  Some 3M 1" and 2" videotape reels had a  foam lined upper flange.
>>>>>> in this case, the problem was not with the  foam but rather with the adhesive
>>>>>> that leaked through the foam onto the tape  pack.
>>>>>>
>>>>>> Alan Lewis
>>>>>> Washington, DC
>>>>>>
>>>>>>
>>>>>>
>>>>>> In a message dated 9/29/2015 12:41:16 P.M. Eastern Daylight Time,
>>>>>> [log in to unmask] writes:
>>>>>>
>>>>>> Last  night I pulled out a Chandos CD set that I had bought in the mid-'80s
>>>>>> and was  horrified to see that the foam sheet that was placed between
>>>>>> facing CDs was  rotting and adhering to the CDs. This residue seems to be
>>>>>> unremovable,  rendering the CDs unplayable. When I got home I checked other Chandos
>>>>>> box sets  and found the same problem developing. Strangely I looked at
>>>>>> other brands  similarly packaged and there didn't seem to be a problem. However
>>>>>> I am now  removing these sheets from ALL such sets.
>>>>>>
>>>>>> db=
>>>>>
>>>>>
>>>>> -----
>>>>> No virus found in this message.
>>>>> Checked by AVG - www.avg.com
>>>>> Version: 2016.0.7134 / Virus Database: 4431/10726 - Release Date: 09/29/15
>>>>
>>
>>
>> -----
>> No virus found in this message.
>> Checked by AVG - www.avg.com
>> Version: 2016.0.7134 / Virus Database: 4431/10727 - Release Date: 09/29/15
>>
>>
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