Proudly Canadian! Rheotech Acrylics offer an excellent balance of quality and economy for beginners and students. 33 colours provide teachers and students with great tools for colour theory and mixing. Rheotech provides a consistant viscosity which can be manipulated to allow various effects from washes to impasto. This range works well on a variety of surfaces such as canvas, paper, wood, clay and plaster. Rheotech Acrylics are nontoxic with minimal scent, ideal for the classroom. Recommended thinning ratio with water: 1:1.