PC-Glycol

Type de produit

Film developer

Caractéristiques

Fine grain developer.

Commentaires sur la formule

Developed by Patrick Gainer.
Working solution: Dilute the stock solution 1+50 (20 ml per litre) into water containing 5 g/L sodium carbonate before use. (You can also use sodium metaborate or borax, but you will need to adjust the quantities and your dev times will be longer.) Developing times for 400-speed B&W films are around 7 min at 21C.
Notes: The working solutions of both PC-TEA and PC-Glycol are dilute in terms of developing agents (comparable to Xtol 1+3), but have relatively high alkalinity. In general, I find that PC-TEA gives finer grain than PC-Glycol. This may be due to a combination of gentler action (PC-TEA is much less alkaline than PC-Glycol with carbonate) and the mild silver solvent effect of triethanolamine.

Formule chimique