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Hahnemuele Platinum Rag and gum printing

Today I tried to calibrate the new redeived Hahnemuehle Platinum Rag paper.

The paper was not external sized and the emulsion was excactly the same as I used to do with my standard paper Fabriano Artistico HP ex white which I normally size with a 3% gelatine solution, so I reduced the pigment volume.

Still Tonal Inversion present.

My conclusion  HPR cannot be used for gum printing whitout sizing. So the next step is as usual; crimping and sizing the paper.

But HPR is still a nice paper lets see what happens after the water bath.