OPEN Slow Drying Acrylic SR4 8oz, Phthalo Blue

The greenish variation on this very powerful tinting versatile blue. When used thickly it is dark and opaque, but phthalo extends beautifully for glazes.
• Wide range of high-quality acrylics with an extended drying time
• Up to 100 times the drying time of regular acrylic paint
• Workable for a similar length of time as professional oil colours