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Gamboge is a natural tree resin, generally extracted by tapping of Garcinia trees, available as a powder and in the solid "pipe" form. One of the unique features of Pipe Gamboge is that it does not require a binding agent to be used as a paint. Instead, colour can be lifted with a wet brush, as from a watercolour pan. When used as a water colour, it gives a bright transparent golden yellow colour. It is highly transparent, fugitive to light, with a weak tinting strength. The powder can be dissolved in alcohol to colour resin-based varnishes. Gamboge was used from ancient times to dye the clothes and also to make a transparent yellow varnish for the colouring of wood, metals and leather.

Pipe Gamboge is available while stocks last. Larger quantities are available by request.

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From the Winsor & Newton website: This new medium slows drying & improves flow. Ideal for blending, glazing, stroke work, antiquing and staining. Improves transparency and depth. Dries to a durable gloss finish.

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Parchment Clippings, usually waste goatskin vellum, were utilised throughout the Middle Ages to make an animal hide glue. This continued to be commonly used as a sizing for canvas before rabbit skin glue came to prominence in the nineteenth century. Parchment glue is comparable to isinglass glue, as it also produces a very pale, almost transparent glue with a degree of flexibility. Our parchment clippings are a mixture of vellum scraps, and may include goatskin, calfskin and sheepskin. Cennino Cennini gives a recipe for gesso using parchment in his treatise about painting; please see below for our recipe. Learn More

Sansodor is a low-odour solvent which can be used as an alternative to turpentine. It evaporates slowly, increasing the blending time of oil paints, and can be used to clean brushes. Learn More

From the Winsor & Newton website: A slightly yellow oil, which is extracted without the use of heat dries slightly quicker than refined linseed oil. Improves flow. Increases gloss & transparency. Reduces consistency and brushstrokes. Ideal for grinding pigments. Learn More

Pfeil's Arkansas Stones are sharpening stones made for honing cutting edges such as lino cutting tools and etching tools. Genuine Arkansas stones are among the hardest and finest of honing stones. Use with special light honing oil. Colors range from white to black. Grit: ca. 8000 Size: ca. 65mm x 25mm x 8mm Learn More

PR106 Vermilion is an artificial pigment based on mercuric sulphide, which occurs naturally as Cinnabar. The synthetic form contains fewer impurities than Cinnabar, and was in use in China as early as the fourth century. It was present in Europe from the ninth century, and was the most widely used red pigment until the introduction of Cadmium Red in the early twentieth century. It has good tinting strength and opacity but, like many red pigments, it dries very slowly in oil media. Toxicity D. Larger sizes available on request. Domestic shipping only Learn More

PB32

Smalt is a kind of cobalt blue glass or frit, and its use as a pigment dates from the 1600s in the glass-making regions of Saxony. We offer two shades, light and dark, which are determined by the particle size of the pigment; the more finely ground the powder, the paler the colour. Before the introduction of Ultramarine Blue, Smalt was available in a wide variety of grades. It is a very transparent pigment, which is easily overwhelmed in mixtures due to its weak tinting strength. It works best in water based media. When ground in oil, it can become almost invisible in dried oil-paint films because its refractive index is so close to that of linseed oil.

Larger quantities are available by request.

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Gamblin Solvent-Free Gel is manufactured by the American company Gamblin. They write:

"Gamblin Solvent-Free Gel is the only solvent-free painting medium that supports a broad range of painting techniques with minimal compromise. Solvent-Free Gel gives colours more flow and transparency, yet holds the shape of your brushmark. Solvent-Free Gel has a moderately fast drying rate and increases gloss. Made from safflower oil and alkyd resin, Gamblin Solvent-Free Gel is non-toxic and contains no Gamsol or petroleum distillates. In comparison to other solvent-free mediums, Gamblin Solvent-Free Gel supports the broadest range of painting techniques with the least compromise across color, dry time, texture and mark-making. To ensure proper drying of paint layers, Solvent-Free Gel should be used in moderation with oil colors. No more than 25% by volume. To avoid wrinkling, apply mixtures of Solvent-Free Gel and oil colors thinly. To paint solvent-free, we recommend Gamblin Safflower Oil for cleaning brushes while you are working. After your painting session, brushes can be further cleaned using Gamsol and/or soap and water."

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Mix with tube oils or pigment to improve flow and translucency, resulting in a satin finish. Contains silica driers. May darken if cap is left off bottle; if this happens, replace the lid and leave overnight to restore the colour with no lasting ill effects.

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Gamsol is an odourless mineral spirit created by the American company Gamblin. They describe it as "the safest solvent that allows oil painters to utilize all traditional painting techniques without compromise."

Please see below for Gamsol's primary applications.

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From the Winsor & Newton website: A slow drying oil which improves flow, increases gloss and transparency. Particularly suitable for use with whites and pale colours.

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Linseed Oil is derived from flax seeds, and appears on our shelves in many guises: Cold Pressed, Refined, Stand Oil, and as a key ingredient in many mediums. It has been appreciated for its drying properties since the Medieval period, and has become the most popular oil used in painting today due to the strong, flexible and glossy film that it creates.

Alkali Refined Linseed Oil has been treated to reduce its acidity, and is a useful ingredient in mediums and varnishes.

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From the Cranfield website:

An almost transparent painting medium based on refined linseed oil and alumina. It is similar in consistency to Studio Oil Colours in tubes. It does not promote quick drying and may be used to extend oil colours. It can be used in large ratios where the desired effect is to increase yellowing and darkening of pale colours. It will not increase gloss.

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Contains acrylic resin and titanium dioxide. Smooth white surface. 1 litre will cover approximately 14 square metres depending on the porsity of the surface. Learn More

For relief and intaglio printmaking Learn More

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Madder Lake pigment is derived from dye that has been extracted from the root of the madder plant, and attached to alum as a base. It has largely been replaced by synthetic alizarin pigments, but it is still used as an ingredient in some commercially-available paints. It provides a very transparent pigment, with a weak tinting strength, which can be used in all lime-free media, although it is very slow-drying in oil. It is fugitive to sunlight, so paintings containing Madder should be stored appropriately, but it remains one of the most lightfast plant-based pigments. It requires a wetting agent to aid dispersion.

Larger quantities are available by request

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Slightly thinner than Alkyd Gel, Daler Rowney Alkyd Flow Medium increases the transparency and flow of oil colour, allowing paint to be brushed out more smoothly. Reduces drying time. Learn More

Egyptian Blue is stable in all media, highly transparent, with a weak tinting strength. A synthetically produced calcium copper silicate, it is considered to be the earliest artificial pigment, dating from antiquity and widely used in ancient Egypt. Larger sizes available on request Learn More

A highly efficient and safer solvent for oil paint. Studio Safe is non-aromatic and non-flammable and has a pleasant orange smell. Use for brush cleaning and the thinning of paint and as an alternative to traditional turpentine and white spirit.

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From the Cranfield website:

This is a thixotropic alkyd medium designed to mix with oil colours, retaining the body of the paint.

Spectragel is a gloss medium and is quick drying. It is a clear medium based on a synthetic resin that improves the weather resistance of oil colours; ideal for glazing and extending colours while retaining gloss and structure of paint.

Matt Spectragel is a quick drying, clear, weather-resistant medium based on synthetic resin. Ideal for extending colours, Matt Spectragel Medium will retain structure and dry to a matt finish.

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Ammonium Carbonate is a highly Alkaline substance that reacts with the lactic acid present in casein to form a robust binder for tempera paints. It should only be used in a well-ventilated area, please see below for the Material Safety Data Sheet. Learn More

Rockers are (7 inches long) including the stained birch handle and made with the highest quality high carbon tool steel, EC Lyons rockers are known world wide as the finest mezzotint rockers available. The gauge (screen) sizes are available in Course (45), Medium (65 and 85), and Fine (100) lines per inch. By working the rocker (with a rocking motion) over a copper/zinc plate in a criss-cross fashion one creates burrs that will trap the ink to produce rich velvety black tones unequalled in any other intaglio process. Learn More

PY39

Orpiment, also called King's Yellow, is a mineral pigment containing naturally occurring sulphide of arsenic. Its high toxicity, and the prevalence of cadmium pigments, means that it is largely obsolete outside the field of restoration. It works best bound in oil or egg tempera, but it is not reliably permanent. Toxicity D.

Larger quantities are available by request.

Please note, unfortunately we are not able to send this product outside the UK.

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The introduction of Walnut Oil as a pigment binder is contemporaneous with the emergence of Linseed Oil. Their drying properties have been appreciated since the Middle Ages, and throughout history there is evidence of both oils being used alongside each other within the same painting. In fact, until the sixteenth century, it is believed that Walnut Oil was the preferred binding medium among Italian artists. It is made from mature walnut kernals, offering a pale colour and brilliant gloss. For this reason, it is sometimes chosen as a binder for light colours, as it provides a stronger paint film than Poppy Oil, and faster drying times. However, a paint film made from Walnut Oil will tend to be brittle, so it is more suited to a rigid support rather than canvas. 

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NR9

The madder plant was once widely cultivated for the red dye extracted from its roots. Its earliest known use is in ancient Egypt, and there is evidence of its widespread adoption in Europe from the medieval period. Madder Lake, the pigment that is derived from the root, has now largely been replaced by synthetic alizarin pigments, but it is still used as an ingredient in some commercial paints. It provides a very transparent pigment, with a weak tinting strength, which can be used in all lime-free media, although it is very slow-drying in oil. It is fugitive to sunlight, so paintings containing Madder should be stored appropriately, but it remains one of the most lightfast plant-based pigments. 

Larger quantities are available by request.

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From the Winsor & Newton website: The most fluid of the Liquin family of products, this quick drying, gloss medium is ideal for fine details, glazing and blending, or to produce a smooth surface picture. Speeds drying (touch dry in 1-6 days depending on colour and film thickness).Resists yellowing. Not suitable as a varnish or final coat.

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Realgar, like Orpiment, is sulphide of arsenic, and these two substances are often found in close proximity to each other in nature. Realgar exists in small deposits throughout the world and has been used for its colour since ancient times, although its extreme toxicity means that it has been superseded by cadmiums in modern painting. It is an opaque pigment with poor tinting strength. Toxicity D.

Larger quantities are available by request.

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A high quality painting medium which will produce a deep glow, made from Canada Balsam and Turpentine. Especially effective with transparent oil colours, it is recommended as the medium of choice in the final stages of an oil painting. Learn More