(Article written by James Ortolani and featured in the March 2017 Issue of Impressions Magazine. Full article on page 34 here.)

Follow these tips to become familiar with this important component of the scree-prep process.
Much has changed in photo-emulsion technology since the days of bichromate chemistry, which yielded emulsion that - after mixing - would go bad in just a few days if it wasn't refrigerated..

Click here, page 34, to read the full article