>> 
> I tested rubber cement and shoe goo by placing a drop of each on pink 
> foam. I was looking for something that would glue the foam together 
> and dry fast. Rubber cement dissolved the foam right away. The shoe 
> goo didn't do much, but I should have looked later. After a few 
> minutes, the shoe goo dissolves the foam way too much to use it as a 
> glue, but not quite as much as the rubber cement did. 
> 
> I found this out today when I tried to glue another piece of foam to 
> the mold I'm making for my cooling plenum. I retested the drops of 
> shoe goo and rubber cement on another piece of foam but let them sit a 
> little longer. The rubber cement dissolved almost all the way thru a 1 
> inch thick piece of foam. The shoe goo ate about 1/2 or 2/3 of the > way 
> thru, but left a film of shoe goo over the "pit". The shoe goo dollop 
> may have been smaller than the rubber cement dollop. 
> 
> So far I've successfully stuck the foam together with silicon bath tub 
> caulk and 5 minute epoxy. I also filled the voids with the 
> poly-urethane foam that comes from the hardware store in a spray can. 
> This stuff sticks to almost everything. BTY, shoe goo does not > dissolve 
> poly-urethane foam. 
> 
> Bob W. 
> 
> 
 
Bob, I have used 3M spray glue #77 from Home Depot on styrofoam. Works well without disoving it much. 
Buly 
 
 
 
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