Dear Enigineeringman;
Nearly all what is soluble in Xylene (o-, m-, or p-) is also soluble in Toluene.
To see several other Solvents you may read under Solubility on:
"Polypropylene Literature Review": http://scholar.lib.vt.edu/theses/available/etd-62398-182953/unrestricted/Chapter2.PDF
I hope I have been of help to you.
Good Luck!
ARGOS++