Magna is the brand name of an acrylic resin paint, developed by Leonard Bocour

Leonard Bocour

Leonard Bocour was born on March 18, 1910 in New York City, and he died September 6, 1993. Around 1933 he formed the New York City based company Bocour Artists Colors. He was the co-developer along with Sam Golden of Magna paint in the late 1940s. From 1952 until 1970 he and Sam Golden were...

 and sold by Bocour Artist Colors, Inc. in 1947. It is very different from modern acrylic paint

Acrylic paint

Acrylic paint is fast drying paint containing pigment suspension in acrylic polymer emulsion. Acrylic paints can be diluted with water, but become water-resistant when dry...

, as it is composed of pigments ground in an acrylic resin brought into emulsion through the use of solvent

Solvent

A solvent is a liquid, solid, or gas that dissolves another solid, liquid, or gaseous solute, resulting in a solution that is soluble in a certain volume of solvent at a specified temperature...

s. Bocour Artist Colors developed a "true" acrylic paint in 1960 named Aqua-Tec. Modern acrylic paint is water soluble, while Magna is miscible with turpentine

Turpentine

Turpentine is a fluid obtained by the distillation of resin obtained from trees, mainly pine trees. It is composed of terpenes, mainly the monoterpenes alpha-pinene and beta-pinene...

 or mineral spirits, though both can dry rapidly to a matte or glossy finish. It was used by notable artists Morris Louis, Roy Lichtenstein

Roy Lichtenstein

Roy Lichtenstein was a prominent American pop artist. During the 1960s his paintings were exhibited at the Leo Castelli Gallery in New York City and along with Andy Warhol, Jasper Johns, James Rosenquist and others he became a leading figure in the new art movement...

, and Friedel Dzubas

Friedel Dzubas

Friedel Dzubas was a German-born American abstract painter.-Life and work:Friedel Dzubas studied art in his native land before fleeing Nazi Germany in 1939 and settling in New York City. In Manhattan during the early 1950s, he shared a studio with fellow abstract painter Helen Frankenthaler...

.