Quality acrylic paint for the Developing Artist. Rheotech achieves qualities previously exclusive to the professional artist arena and is undeniably the best student acrylic paint available today. Made with 100% pure acrylic emulsion and pigment, it is the only truly archival paint in its class. There is good to excellent lightfastness and chroma with all the colours, the best for it's level. It has excellent adhesion and will not chip, crack or separate in the jar.