Epoxy or Polyurethane

[Mich]

Is it possible to have an idea if a resin is an epoxy or a polyurethane without a DSC or IR?
I'm not able to go to lab but I would like to have a preliminary idea.

Thanks in advance

 

[Pud]

Try this technique:

http://www.boedeker.com/burntest.htm

Cheers

Harry

http://www.tynevalleyplastics.co.uk