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Cornelissen

Cornelissen

Items 91 to 120 of 127 total

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  1. Fullers Earth

    Fullers Earth

    Starting at: £6.30

    Fullers Earth is used to remove plant debris and other impurities from cold-pressed linseed oil, as its large particle size and unusual shape attracts unwanted matter and pulls it down, away from the surface of the oil. Our Fullers earth consist sly of Bentonite.

    Learn More
  2. Coptic Frankincense Resin 10 grams

    Coptic Frankincense Resin 10 grams

    £2.95

    Coptic Frankincense Resin 10 grams Learn More
  3. Commiphora Myrrh Resin 10 grams

    Commiphora Myrrh Resin 10 grams

    £2.95

    Commiphora Myrrh Resin 10 grams Learn More
  4. French Chalk

    French Chalk

    Starting at: £5.50

    French Chalk is a term commonly used to describe talcum powder and is also known as talc. This grade is very fine magnesium silicate  It is sometimes used as a filler in pastels, to make soft sticks that produce velvety marks as it has a soapy like consistency.

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  5. Precipitate Chalk

    Precipitate Chalk

    Starting at: £6.30

    Precipitate Chalk is fine and white. For use in aqueous mediums as a ground for oil and tempera paintings. Learn More
  6. Rottenstone Pink

    Rottenstone Pink

    Starting at: £7.00

    Fine abrasive powder used historically for polishing daguerreotype plates. Can be used to age wooden frames and object's d'art. Learn More
  7. Rottenstone Grey

    Rottenstone Grey

    Starting at: £7.00

    Fine abrasive powder used historically for polishing daguerreotype plates. Can be used to age wooden frames and object's d'art. Learn More
  8. Gum Arabic

    Gum Arabic

    Starting at: £4.25

    Gum Arabic is a resoluble binding agent, commonly used in the preparation of watercolours, but also useful as an adhesive, a size, and in the production of soft pastels. It is a natural product, harvested from the Acacia tree between October and May. The highest grade of Gum Arabic comes from the Kordofan region of Sudan. It is exceptionally pale and pure and therefore particularly suited to watercolour painting, while Nigerian Gum Arabic (while stocks last) is better suited to stone lithography and other printmaking techniques. Please see the Formulas & Recipes section on our homepage for a recipe to make your own watercolour paints using Gum Arabic (currently under construction). Learn More
  9. Gum Copal Manila

    Gum Copal Manila

    Starting at: £6.00

    Gum Copal Manila is derived from the resin of a coniferous tree native to the Philippines. It is not to be confused with other copals, which are the product of fossilised plant materials. It can be dissolved in alcohol to make a spirit varnish, to be used as a substitute for shellac, or as a fixative for pastel and charcoal drawings. Please note, that when used as a fixative it may darken the colour of the image. Learn More
  10. Gum Sandarac

    Gum Sandarac

    Starting at: £8.60

    Gum Sandarac, derived from a coniferous tree, is available in powdered or lump form. It can be dissolved in alcohol to create a varnish that is suitable as an isolating layer in oil painting and as a traditional top coat for egg tempera. It forms a brittle layer, so is only suitable for use on a rigid support. Another application is as a surface preparation for calligraphy; the ground gum can be dusted across a piece of prepared vellum or paper to create a resist, which shrinks ink strokes slightly, making them appear finer, with crisp edges. Learn More
  11. Colophony

    Colophony

    Starting at: £7.30

    Colophony is a by-product of the distillation of turpentine. It is soluble in most solvents, but considered an adulterant in varnishes and paints, as it forms a weak surface that is prone to darkening and cracking. It is, however, a key ingredient in wax-based etching grounds, imparting hardness, and can be used in powdered form (rosin) to make aquatints. Learn More
  12. Button Shellac

    Button Shellac

    Starting at: £8.40

    Shellac is a natural resin that is deposited by the female lac insect on the branches of trees in India and Thailand. It is soluble with alcohol, but not with mineral spirits or turpentine. It forms a tough yet flexible film, with many applications. It is suitable as a top coat for gilding when applied thinly, a sealant for porous surfaces, an isolating layer for tempera paintings, a base for pigmented inks, a protective layer for collograph plates, and a warm varnish for wooden floors and furniture. As it is prone to darkening with age, it is not recommended as a varnish for oils, and its solubility can reduce over time. There are various grades of shellac. When mixed with alcohol, it may initially form a cloudy mixture, due to traces of wax in the shellac, but this should become clear once it has dried. The highest grades of shellac are Clear Dewaxed Shellac, which has been de-coloured using the carbon filtering method, Lemon Shellac, and Orange Shellac, which are pale in colour. Button Shellac is less refined and therefore produces a reddish varnish. It was, in fact, widely used as a red dye before synthetic dyes became available. Learn More
  13. Clear Dewaxed Shellac

    Clear Dewaxed Shellac

    Starting at: £9.20

    Shellac is a natural resin that is deposited by the female lac insect on the branches of trees in India and Thailand. It is soluble with alcohol, but not with mineral spirits or turpentine. It forms a tough yet flexible film, with many applications. It is suitable as a top coat for gilding when applied thinly, a sealant for porous surfaces, an isolating layer for tempera paintings, a base for pigmented inks, a protective layer for collograph plates, and a warm varnish for wooden floors and furniture. As it is prone to darkening with age, it is not recommended as a varnish for oils, and its solubility can reduce over time. There are various grades of shellac. When mixed with alcohol, it may initially form a cloudy mixture, due to traces of wax in the shellac, but this should become clear once it has dried. The highest grades of shellac are Clear Dewaxed Shellac, which has been de-coloured using the carbon filtering method, Lemon Shellac, and Orange Shellac, which are pale in colour. Button Shellac is less refined and therefore produces a reddish varnish. It was, in fact, widely used as a red dye before synthetic dyes became available. Learn More
  14. Lemon Shellac

    Lemon Shellac

    Starting at: £8.20

    Shellac is a natural resin that is deposited by the female lac insect on the branches of trees in India and Thailand. It is soluble with alcohol, but not with mineral spirits or turpentine. It forms a tough yet flexible film, with many applications. It is suitable as a top coat for gilding when applied thinly, a sealant for porous surfaces, an isolating layer for tempera paintings, a base for pigmented inks, a protective layer for collograph plates, and a warm varnish for wooden floors and furniture. As it is prone to darkening with age, it is not recommended as a varnish for oils, and its solubility can reduce over time. There are various grades of shellac. When mixed with alcohol, it may initially form a cloudy mixture, due to traces of wax in the shellac, but this should become clear once it has dried. The highest grades of shellac are Clear Dewaxed Shellac, which has been de-coloured using the carbon filtering method, Lemon Shellac, and Orange Shellac, which are pale in colour. Button Shellac is less refined and therefore produces a reddish varnish. It was, in fact, widely used as a red dye before synthetic dyes became available. Learn More
  15. Orange Shellac

    Orange Shellac

    Starting at: £8.00

    Shellac is a natural resin that is deposited by the female lac insect on the branches of trees in India and Thailand. It is soluble with alcohol, but not with mineral spirits or turpentine. It forms a tough yet flexible film, with many applications. It is suitable as a top coat for gilding when applied thinly, a sealant for porous surfaces, an isolating layer for tempera paintings, a base for pigmented inks, a protective layer for collograph plates, and a warm varnish for wooden floors and furniture. As it is prone to darkening with age, it is not recommended as a varnish for oils, and its solubility can reduce over time. There are various grades of shellac. When mixed with alcohol, it may initially form a cloudy mixture, due to traces of wax in the shellac, but this should become clear once it has dried. The highest grades of shellac are Clear Dewaxed Shellac, which has been de-coloured using the carbon filtering method, Lemon Shellac, and Orange Shellac, which are pale in colour. Button Shellac is less refined and therefore produces a reddish varnish. It was, in fact, widely used as a red dye before synthetic dyes became available. Learn More
  16. Microcrystalline Wax

    Microcrystalline Wax

    Starting at: £8.50

    Microcrystalline Wax is related to paraffin wax, and is used as a plasticiser in some recipes. It is characterised by the fineness of its crystals in contrast to the larger crystal of paraffin wax. It is generally more viscous, denser, tackier and more elastic than paraffin waxes, and has a higher melting point. Learn More
  17. Paraffin Wax

    Paraffin Wax

    Starting at: £6.60

    Paraffin Wax is a by-product of the petro-chemical industry. It has a low melting point of 50-60°c and a brittle texture, making it unsuitable for encaustic painting or as an additive to oil paints, but it can be used to impart softness to lithographic crayons. As a petroleum product, it is more inert than animal or vegetable waxes, and is therefore not saponified (turned into soap) by alkali substances. Learn More
  18. Ammonium Carbonate

    Ammonium Carbonate

    Starting at: £9.70

    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
  19. Acticide SPX

    Acticide SPX

    Starting at: £4.20

    Acticide SPX Preservative Learn More
  20. Carboxyl Methyl Cellulose

    Carboxyl Methyl Cellulose

    Starting at: £7.20

    Carboxyl Methyl Cellulose. PH between 6- 8. Learn More
  21. Parchment Clippings

    Parchment Clippings

    Starting at: £9.90

    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
  22. Carnauba Wax Grey

    Carnauba Wax Grey

    Starting at: £8.40

    Carnauba Wax is the hardest wax commonly used in the production of artists' materials, with a melting point of 83-86°c. It is derived from a tree native to South America, and is available in a natural colour (grey), or a refined colour (pale yellow). Small amounts of carnauba wax are commonly used in both oil painting mediums and encaustic painting, usually in conjunction with beeswax to add toughness, durability and sheen to the paint film. It creates an inflexible surface, so works best on rigid supports such as gesso panels, and it should be noted that it will raise the melting point of encaustic mixtures. It can produce a glossy finish; as such it is used in waxes and polishes for shoes, cars, musical instruments, furniture, and wooden floors, especially when mixed with beeswax and turpentine. Learn More
  23. Carnauba Wax Yellow

    Carnauba Wax Yellow

    Starting at: £6.50

    Carnauba Wax is the hardest wax commonly used in the production of artists' materials, with a melting point of 83-86°c. It is derived from a tree native to South America, and is available in a natural colour (grey), or a refined colour (pale yellow). Small amounts of carnauba wax are commonly used in both oil painting mediums and encaustic painting, usually in conjunction with beeswax to add toughness, durability and sheen to the paint film. It creates an inflexible surface, so works best on rigid supports such as gesso panels, and it should be noted that it will raise the melting point of encaustic mixtures. It can produce a glossy finish; as such it is used in waxes and polishes for shoes, cars, musical instruments, furniture, and wooden floors, especially when mixed with beeswax and turpentine. Learn More
  24. Gelatine Leaf

    Gelatine Leaf

    Starting at: £5.30

    A pure form of glue from animal tissue. Used for sizing paper. Used in gliding and for weak sizes in isolating layers in tempera painting. Learn More
  25. Gelatine Capsules

    Gelatine Capsules

    Starting at: £5.80

    Gelatine Capsules Learn More
  26. Pearl Glue

    Pearl Glue

    Starting at: £6.50

    Pearl Glue is a traditional animal-based wood glue used for veneering, joinery and antique restoration. 170-200 bloom. Learn More

  27. Empty Watercolour Pans

    Empty Watercolour Pans

    Starting at: £0.50

    Empty Watercolour Pans Learn More
  28. Squat & Powder Jars

    Squat & Powder Jars

    Starting at: £0.75

    Squat and Powder Jars in glass and plastic. *Please note, our glass jars are fragile, although they are packed very carefully we cannot guarantee they will arrive safely. Cases of jars are stored offsite, please allow extra time for your order to be processed and dispatched. Learn More
  29. Reagent Jar

    Reagent Jar

    Starting at: £6.50

    Our clear reagent bottles are manufactured in the EU and are made of high quality soda lime glass. They have a solid base and good wall thickness. 

    Learn More
  30. Empty Aluminium Tubes

    Empty Aluminium Tubes

    Starting at: £1.05

    Call to Order

    Empty Aluminium Tubes. Learn More

Items 91 to 120 of 127 total

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