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Pigment Red 48:1 for universal application P.R.48:1, the barium salt, is a coloristically versatile product. It affords light yellowish to medium red shades, depending on the specific surface area of the product. Fastness to a number of common organic solvents, such as esters, ketones, and aliphatic and aromatic hydrocarbons, is good. However, P.R.48:1 shows only poor resistance to soap, alkali, and acid. The main field of application for P.R.48:1 is in printing inks and plastics. In order to enhance the transparency in print and to reduce the strong tendency of the prints to bronze, pigments that are targeted for use in printing inks are frequently supplied in resinated form. P.R.48:1 types show high tinctorial strength, but are less strong than P.R.53:1 grades. P.R.48:1 is considerably yellower than P.R.57:1 and noticeably bluer than P.R.53:1. Paint manufacturers frequently use P.R.48:1 in inexpensive industrial paints,
