[WWI] Rubber Chemistry

[Douglas Jones]

I find that dielectric silicon grease works very well. My Avalanche gets 
its weather stripping done twice a year.

Doug

Mark Shannon wrote:
> Do not coat rubber with petroleum jelly or any other hydrocarbon 
> solvent (or chlorinated solvents).  The rubber can dissolve into the 
> pet jelly, after swelling up and getting gummy.  If you want to try 
> preserving the rubber band any, something like Armor All could be 
> used.  I would not bother.  The things that really deteriorate rubber 
> are leaving them stretched (under tension)over long periods in a oily 
> or smoggy area, especially if they are seeing a lot of UV light from 
> the sun or such.
>  
> Black rubber is probably the most durable.  Usually the black is 
> carbon black, which acts both as a part of the anti-oxidant package 
> and as a UV protection.  That was one of the most important 
> developments in rubber production for tires, and occurred in the OT 
> timeframe. 
>  
> Mark Shannon
> shingend at ix.netcom.com <mailto:shingend at ix.netcom.com>
>  

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Douglas Jones
aeroc at verizon.net
"Two things are infinite: the universe and       
human stupidity; and I am not sure about       
the universe." Albert Einstein