Artists’ Black Gesso Primer
Black Gesso Primer has the same characteristics as White Gesso and is applied in the same way. If used as a ground for acrylics, one coat is normally sufficient, but up to three coats may be required for oil colour.
 
Detail product specification, please visit Daler-Rowney Website :
http://www.daler-rowney.com/en/content/acrylic-mediums