Holbein Artist Oil Color WHITES
Product information "Holbein Artist Oil Color WHITES"
Product information "Holbein Artist Oil Color WHITES"
The successful artist knows that of all the colors used, the quality of white is critical. Primed 4 to 5 times, the Holbein superiority becomes obvious to the user. There are six painting whites and one under painting/base white, all of which are high percentage pigment colors, namely: Titanium White. Permanent White SF (Super Fine), Zinc White, Silver (Flake/Lead) white, Ceramic White and Quick Drying White (a base coat white), all in poppyseed oil. Inexpensive Permanent White EX (Extra Fine) in safflower oil.
Titanium White The most popular white, Titanium White is non-reactive under most normal conditions. It has greater opacity than lead or zinc, but is prone to short-term yellowing. It dries more slowly than lead but is faster than zinc. It is easy to work and mix, and its surface properties can be enhanced by mixing it with zinc oxide, which also helps to reduce the sometimes too intense tinting power of the titanium pigment.
Zinc oxide is more transparent than lead and its surface properties are more brittle. It does not have the same painting properties, is slower drying and does not react to sulfur. It is whiter than lead.
Ceramic White A white developed in a joint research project between Holbein Werke GmbH and Japanese Government Industrial Laboratory. Ceramic White was developed to combine the most positive properties of other types of painting white. It contains titanium and strontium pigments that do not react with sulfur. Ceramic White offers superior surface strength without brittleness, increases tinting and covering power over lead and zinc, but offers increased transparency, drying time and optical whiteness compared to titanium white. Excellent handling properties.
Silver White S (Flake/Lead White) One of the first man-made pigments, white lead mixes well with oil to a smooth, uniform viscosity and has excellent hiding power and brush handling. It possesses high surface strength but is still toxic and reacts by darkening when exposed to sulphur compounds or fumes. The latter reactivity is not too important as the lead pigment used is usually well protected by the oils and varnishes it is mixed with.
Permanent White Titanium White with the same general handling properties but with a barium sulphate additive that prevents yellowing on early drying while reducing tinting power and increasing transparency. Available in two variants: Permanent White SF is made with poppyseed oil and Permanent White EX with safflower oil.
Quick Drying White Made from titanium white, calcium carbonate, poppyseed oil, alkyd resin and petroleum solvent. This fast-drying white is best suited as a primer with exceptional properties in terms of surface adhesion and durability. Non-yellowing and crack-free, this white dries in 4 to 5 hours for a thin coating (0.15 mm), while application with a brush, knife, squeegee or spatula in 2 mm to 3 mm structure thickness takes about 24 hours. The paint can be thinned and tools cleaned with white spirit.
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