Opportunity is missed by most people because it is dressed in overalls and looks like work. - Thomas Edison
This:http://www.realmilkpaint.com/citrus.htmlIt says ure limonene. Soak it in this and any/all adhesives will be gone. Want to make your press completely free of old spray tack? This is the stuff.The shop will smell strongly of oranges but no one will get high.