Wiseowl- This is precisely why I avoid low priced off-brand films and papers and why I'm so concerned with Kodak shutting down all of its analog production properties. Living a stone's throw from Freestyle (and I love that store) for more years than I can (clearly) remember, I've had the opportunity of trying all sorts of value priced imported film and papers, especially in leaner times, and have come to the conclusion that it's false economy to use any discount film or paper for any sort of serious personal or professional work. The pinhole and Diana crowd might make good use of the stuff but for me, not knowing what problem is going to jump out at you just isn't worth the bother.
In another post I read today, a box of Kentmere paper was unusable due to strange bumps in the emulsion. Every week, there's complaints and reports of bad batches of this or that film or paper (produced in various interesting and faraway lands) ending up in someone's camera or darkroom. We are fortunate to still have Fuji Film, Kodak and Ilford to buy from. Money spent on bargain basement materials should be going to the big three so they stick around for as long as possible. Almost every photographer I know has at some point tried the cheap stuff and comes to the same conclusion- it's a waste of time.