I would like to make a subtle comment on this subject.   In the past, we
have used polyvinyl alcohol/acetate (pva) for other purpose.   Its solution
is sticky but not so viscous as Elmer's glue.   The degrees of the viscosity
also depend on the selection of molecular size of  the pva used.

My gut feeling is that the Elmer's glue is probably a mixture of all kinds
of cheap junks including pva, collagen, and others.


In Kim