Pre-tested is Grumbacher's professional line of conventional oil colors which offers the finest pigments milled in select alkali-refined linseed oil. Grumbacher Pre-tested Professional Oils provide high chroma, superior tinting strength, and excellent adhesion for the professional artist. Grumbacher specifies only the best ingredients that are available, putting every new color through a rigorous selection process.
Pre-tested is not only the name but also the philosophy of the way Grumbacher manufacturers each and every one of their products. Find the very finest quality oil paints available in each tube of Grumbacher Pre-tested oils.
All colors are available in 37 ml. tubes. Whites are also available in an economical 150 ml. tube.
Titanium White -Titanium White is the most opaque white with the heaviest tinting strength. It is most appropriate for direct painting or for quickly lightening colors. Ideal for applications where great opacity is needed.
Soft Titanium White -Non-yellowing and opaque. The pigment is ground in poppy-seed and sunflower oil which extends the dry time and gives the paint a soft-bodied, easy to manage feel. It is perfect for artists who don't intend to do a lot of mixing with white. Ideal when painting wet on wet.
Superba White - Grumbacher's exclusive Superba White is a non-yellowing Titanium White ground in poppy-seed oil. A smooth, buttery, heavy-bodied white, Superba is unaffected by exposure to light, freely intermixable with other colors, and offers enhanced opacity and tinting strength.
Zinc White - A permanent, brilliant semi-transparent Snow White with an excellent tinting strength and working properties. It makes the cleanest tints of all of the oil painting Whites. However, because it dries to a relatively brittle paint film by itself, it is recommended that its use be restricted to making tints.
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Founded in 1905 by Max Grumbacher, Grumbacher has been a brand trusted by students, professors, art conservationists and professional artists throughout the United States. They lead the way by setting strict standards of exemplary quality and consistent performance for their materials and tools in service to the art materials industry. Their standards of quality and excellence have resulted in the Grumbacher brand becoming an American tradition.
Grumbacher takes great satisfaction in knowing that artists trust their brand when creating artwork. Today, the Grumbacher brand is owned by Chartpak, Inc., a creative products company committed to adhering to the impeccable standards set by Max Grumbacher. Chartpak Inc. Grumbacher takes pride in being an American company and a leader in the industry, for those who, as Max Grumbacher said, 'practice art in all its branches.'