Cadence Connoisseur Extra Heavy Gel Matt is a medium used in acrylic painting. It is ideal for extending paint and regulating transparency without changing consistency, making it useful for impasto techniques.  It's a colorless acrylic polymer medium with gloss and matt finishes to create glazes, extend paint and change finishes. Extra Heavy Gels has the thickest consistency of any other gel. Can be blended with colours to increase body. 
Excellent for holding peaks and tools marks.
Chemical, water and UV resistant.

Non toxic.