If they didn't like glycerin, I wish they had been more specific
about what they WOULD use.  "commercial products" is pretty vague.

DM&FS

At 11:14 AM 10/31/2009, 1987 wrote:
>Found this at Ask A Scientist.
>http://www.newton.dep.anl.gov/askasci/chem03/chem03003.htm
>
>Question -   Is glycerine a good rubber protectant?
>Vince Calder & ProfHoff didn't have much good to say about glycerin as a
>protectant.
>
>YMMV
>
>Steve
>
>
>On 25-Oct-09 16:11 Roger VanTill sent the following:
>>Hmmmm.....the Zymol Seal contains mostly glycerin.
>>Nice tip, John.
>>
>>
>>On Sun, Oct 25, 2009 at 11:46 AM, John Meeks <vanagon@gmail.com> wrote:
>>
>>>On Sun, Oct 25, 2009 at 8:45 AM, Michael Sullivan <sandwichhead@gmail.com
>>>>wrote:
>>>>Good morning, Volks.  Looking for a recommendation on what to use to
>>>revive
>>>>the seals around dors and windows.  They are in good shape.  Something at
>>>>Napa or a home remedy, please.  Gonna wax today.  Thanks.
>>>>Michael in San Antonio
>>>>91GL AT 'Gringo'
>>>>73 Beetle
>>>Michael,
>>>
>>>I use Glycerin thinned with water. You can get a bottle at the drug store
>>>for a buck or 3.  Rubber soaks it up. Keeps it pliable. It's not gonna give
>>>you that ArmorAll car show look, but it does help to seal in the natural
>>>oils.
>>>
>>>John Meeks
>>>'91 Multivan
>>>Northern Michigan
>>>
>>>Vanagon Rescue Squad
>>>http://www.vanagonauts.com/Vanagon_Rescue_Squad74.htm
>>>
>>>Radio Call:KC8ZFN