January 15, 2015 (printed 1/15)
Researchers: Audrey Blood / Jenny Gover
Room Temperature: 65-68 degrees F
Materials: Pledge Floor Care Finish, Akua monotype ink jet black, Golden GAC-100, Golden airbrush medium, Golden flow release
Abstract: Replicating Edinburgh mix #3 with Pledge Floor Care finish instead of Future Floor Wax
Edinburgh Mix #4 (plate 15)
10 tsp Pledge Floor Care Finish
1.5 tsp Golden GAC-100
3 drops Golden Flow Release
3 drops Golden Airbrush Medium
4 tsp Akua Jet Black Monotype Ink
No more Future Floor Wax!
While trying to order more Future floor wax, we discovered that it had discontinued. We found that Pledge (SC Johnson) had bought the formula and was selling a similar product with the name Pledge Floor Care Finish.
We began by comparing Pledge Floor Care Finish to Future floor wax side by side. We compared the labels and found that the products had similar, but not identical ingredient lists. The Pledge Floor Care Finish listed “proprietary film formers” as well as a fragrance. We poured a teaspoon of each into separate glasses in order to compare the viscosity, color, scent and other qualities of the products. The Pledge smelled fruiter and sweeter due to the added fragrance compared to the soapier smell of the Future floor wax. They seemed to have similar color. The Pledge seemed to have a slightly looser viscosity, but this may have been due to the advanced age of our bottle of Future floor wax. There did not seem to be enough difference between the two products to cause concern.
To test whether we could reliably swap the Pledge Floor Care Finish for the Future floor wax in Edinburgh mix #3, we remixed the formula using Pledge Floor Care Finish and sprayed plate 16. We sprayed Edinburgh mix #4 through the Badger airbrush on the finest setting onto a 4.5″ x 6″ copper plate at a distance of 6 to 8 inches with approximately 15 passes. It was set in the drying box for 20 minutes.
The plate was step-etched on 1/15 in 37 degree baume ferric chloride. It was placed in the stripper bath of 3 cups washing soda to 12 liters of warm water for 10 minutes, rinsed, dried, and printed.
This mixture appeared identical to Edinburgh mix #3. We could not smell any fragrance with the vent on while spraying the aquatint.
The ground came off easily after etching with approximately 10 minutes in the stripper bath.
We printed on a Takach press using 2 sizing catchers at 4.5 pressure. Ink: Charbonnel #55981 oil-based etching ink with 2 drops 00 plate oil. Paper: Hahnemuhle copperplate white. This plate printed well with a fine, even tone. This is the best print that we have so far.