[GreenKeys] I think our museum got a model 31 today! no tube in it as the...

COURYHOUSE at aol.com COURYHOUSE at aol.com
Sat Jan 5 20:25:05 EST 2013


Gil.... yes  this    bothered me   to   when I heard of   things  being 
used to  clean with.. we  are  only temporary custodians of  things!  
 
I have seen  two  types of  plastic  stored next  to  each other   torn 
ecchy   in  time...   why  would have  thought  they would have interacted!?
 
There is one  type of  book binding material McGraw hill used on  tech  
books when used  with vinyl book  covers  some of  the collage  book stores 
would sell  set up a nasty  reaction  forever turning the surface if  this  
plastic  impregnated  binging into slime!
 
so  you never know in the  short  term  what it may  effect 40 years  down 
the line......
 
 
 
 
 
 
 
In a message dated 1/5/2013 3:03:35 P.M. Mountain Standard Time,  
gil at baudot.net writes:

Plastic is pretty porous stuff, and I presume it can retain  
cleaning-solution molecules in lots of nooks and crannies.  Molecules  that could slowly 
start some other reaction over time.  It would really  take a chemical 
engineering sort of fellow to tell us for sure whether we  could confidently do a 
clean/neutralize/wash cycle and be sure we were not  leaving some nasty 
residue behind
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20130105/f3292bae/attachment.html>


More information about the GreenKeys mailing list