If it helps any to gauge things, I am using up a box of Polymax 16x20 for contact proof prints (7x17). It was purchased two months before Kodak stopped selling it. I have lost track, but that may be 2-3 years old now. I am using "Ilford's multigrade paper developer at (1+9) dilution with the recommended 3 minute dip before going into the stop bath." My soup is a little stronger than yours, but I would think that would either develop faster or darker, not sure. I am doing test strips with the scraps before I print a whole contact sheet. No problems and exposure times similar to Kentmere VC FB which I chose to replace Polymax.
John Powers
The box was a freebie but I don't want it to go to waste. Sounds like I am going to have to experiment.
Bill
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