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A masterbatch is a concentrated mixture of pigments and / or additives blended and extruded together in a carrier matrix, such as resin or wax, that is used to add these mixed additives to a final plastic product. The additives may be used for colouring (a "colour masterbatch") or for imparting other properties (an "additive masterbatch").
Wax-resin lining would remain ubiquitous through the first half of the 20th century as it was viewed as a preservative practice with little negative consequence. [1] Some practitioners began expressing doubts as a result of observed damage on lined paintings which lead to the 1974 Comparative Lining Conference.
Acrylic artists' paints may be thinned with water or acrylic medium and used as washes in the manner of watercolor paints, but unlike watercolor the washes are not rehydratable once dry. For this reason, acrylics do not lend themselves to the color lifting techniques of gum arabic-based watercolor paints. Instead, the paint is applied in layers ...
Until the 1960s, sugar cane wax was added to the production of chewing gum as an edible wax. In this process the sugar cane wax acted as elastomer or as plasticizer and consistency regulator. [4] In 1943, J. W. Schlegel and L. Lang were granted a patent to flour donuts with sugar. [5] The ground sugar was mixed with 0.4% of sugar cane wax.
A crayon (or wax pastel) is a stick of pigmented wax used for writing or drawing. Wax crayons differ from pastels, in which the pigment is mixed with a dry binder such as gum arabic, and from oil pastels, where the binder is a mixture of wax and oil. Crayons are available in a range of prices, and are easy to work with.
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Oil pastels can be used directly in dry form; when done lightly, the resulting effects are similar to oil paints. Heavy build-ups can create an almost impasto effect. Once applied to a surface, the oil pastel pigment can be manipulated with a brush moistened in white spirit, turpentine, linseed oil, or another type of vegetable oil or solvent.
Paraffin wax (or petroleum wax) is a soft colorless solid derived from petroleum, coal, or oil shale that consists of a mixture of hydrocarbon molecules containing between 20 and 40 carbon atoms. It is solid at room temperature and begins to melt above approximately 37 °C (99 °F), [ 2 ] and its boiling point is above 370 °C (698 °F). [ 2 ]