Simply sketchbooks feature a 100gsm (45lb) natural white, medium grain paper ideal for any dry technique, protected by a hard black matt cover. The pages of the spiral sketchbooks are micro-perforated for easy removal.
Prolongs the drying time of acrylic paint by about 20%. It completely evaporates from the acrylic painting. Small amounts should be used (maximum 2 to 5%). Can be diluted with water.