Quote Originally Posted by T-grain View Post
Ron and Jim, I thought a Thorium salt was needed just to enhance sharpness not to actually hold the dye in the receiving gelatin?
Jim, when you say using bleach as in the old wash-off relief process-is this an etch-bleach process?
thanks
I don't remember what the bleach was, but it was a silver bleach which removed the silver image and hardened the gelatin as a result.

- Jim