Some entries in the U90 paint catalogue are "Bases" (B1, B2, B3). B1 can only make pastel colours; B3 is for deep dark colours. Trying to make RAL 9005 (Jet Black) from a B1 base will fail. The catalogue clearly marks this with a "Tint Strength" icon.
In 2022, a major Saudi Aramco contractor was specifying finishes for 12 atmospheric storage tanks. The initial specification called for a standard alkyd paint. The corroding environment required a polyurethane. Using the , the engineer selected: u90 paint catalogue
: A high-gloss, fast-drying paint for walls, metal, and wood. It is specifically formulated to be mold- and algae-resistant, making it a favorite for residential and commercial buildings. U-90 4-in-1 Fragrant Lacquer Some entries in the U90 paint catalogue are