Canvas white pigment and calcium carbonate is rather brittle and susceptible to cracking. As lead-based paint is poisonous, care has to be taken in using it. Various alternative and more flexible canvas primers are commercially available, the most popular being a synthetic latex paint composed of titanium dioxide and calcium carbonate, bound with a thermo-plastic emulsion. Many artists have painted onto unprimed canvas, such as Jackson Pollock, Kenneth Noland, Francis Bacon, Helen Frankenthaler, Dan Christensen, Larry Zox, Ronnie Landfield, Color Field painters, Lyrical Abstractionists and others. Staining acrylic paint into the fabric of cotton duck canvas was more benign and less
Canvas print is generally cotton or plastic based poly canvas, often used for the reproduction of photographic images. Modern large format printers are capable of printing onto canvas rolls measuring or more. Modern examples of inkjet-based printers capable of printing directly onto canvas are the HP Designjet z6100 and the Epson Ultra Chrome 11880. Printers such as these allow artists and photographers to print their works directly onto canvas media, with slow print speed settings available to ensure print quality is not diminished. Printed canvas for wall art is generally of a weight around 400 gsm and should be 100% pure white