Raw Materials Guide

Examples to illustrate our raw material categorisation

Level of modification Example paint Example food
Renewable natural materials dammar resin Wild fruits
Processed natural materials Plant resin soap Baked bread
Mineral materials Lime Salt
Synthetic materials Thiazole Saccharin
Decovery® binding agent modified starch
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    Alcohol (ALCOHOL DENAT.)

    Produced by the fermentation of starch containing vegetables, e.g. potatoes, followed by distillation.
    • Germany
    • Thinner, solvents
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    Alum (ALUMINIUM SULFATE)

    A white, crystallised powder made from potassium and aluminium sulphate used in the manufacture of vegetable paints.

    • Germany
    • Auxiliary agents
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    Aluminium silicate

    Aqueous alumina naturally formed by weathering of rock rich in aluminium or fine, mineral filler with pigment properties produced by technical precipitation.
    • Europe
    • Mineral fillers
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    Amino soap

    Ammonium compounds modified by organic components. Facilitate the integration of binders into water-based products.
    • Europe
    • Auxiliary agents
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    Ammonium soap

    Raw materials like beeswax, oils and resins are saponified with liquid ammonia in dedicated boilers. It serves as a natural wetting agent in pigments or as binding agent.

    • Germany/ AURO
    • Auxiliary agents
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    Balsamic turpentine

    Balsamic turpentine should not be confused with the petrochemically derived turpentine used as solvent substitute that is also known as ‘white spirit’. Balsamic turpentine is won by water vapour distillation from various species of pine all around the world. Balsamic turpentine is a fluid plant oil with a fresh, slightly resinous scent. It is used in paints and varnishes as thinning agent but also as bath supplement and for medicinal applications.

    • Europe,Asia
    • Essential oils
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    Beeswax (CERA ALBA)

    Pure, unbleached, ductile beeswax from best provenances, controlled low residue level.
    • Germany
    • Waxes
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    Benzisothiazolinone

    Organic compounds that contain sulphur and nitrogen. They are used as preserving agents in cleaners, paints, cosmetics, and more.

    • Europe
    • Auxiliary agents
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    Bergamot oil (CITRUS AURANTIUM BERGAMIA FRUIT OIL)

    Pure ethereal, yellowish oil from the fruit skin of the Bergamot tree (Citris bergamia), used as scent.
    • Europe
    • Essential oils
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    Calcareous spar (CALCITE)

    Natural appearance of calcium carbonate (like chalk). Available from most finely ground to coarse grain size. Filler for lacquers, wall paints, plaster and adhesives.
    • Europe
    • Mineral fillers
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    Calcium hydroxide

    Slaked lime in powder form. Produced by the baking of chalk followed by hydration. Already used as binder for lime mortar and lime paints in ancient times.
    • Germany
    • Binding agents
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    Camomile blossom essence

    Produced from camomile by alcohol extraction, protects the skin
    • Germany
    • Auxiliary agents
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    Carnauba wax (COPERNICA CERIFERA CERA)

    Hard, water-repellent wax obtained from a Brazilian palm tree species. The leaves of these tall palm trees are cut (they constantly grow again), the wax is liquefied by boiling in water, skimmed off the top and cleaned physically (with bleaching earths). Thanks to its particular hardness, this wax enhances the mechanical resistance of all soft waxes.

    • South America
    • Waxes
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    Castor oil (RICINUS COMMUNIS SEED OI)

    Valuable, dryable binding agent from ricinus oil, i.e. from the seeds of the subtropical ricinus shrub, a thickly boiled stand oil produced by means of dehydration (elimination of water).
    • Asia; Processing: Germany
    • Oils
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    Catechu (ACACIA CARECHU BARK POWDER)

    Thickened juice extract from the heartwood of the Indian Acacia catechu. Catechu is used in brown to black vegetable paints.
    • Asia
    • Plant colours
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    Cellulose (CELLULOSE)

    Stabilizing agent and organic cell-fibre filling agent made from wood cellulose by chemical pulping. Serves as simple adhesive in AURO Wallpaper paste and distemper, but also as emulsifier and thickening agent in paints and adhesives for better processing control.
    • Europe
    • Auxiliary agents
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    Cembra oil (PINUS SYLVESTRIS CONE OIL)

    A water light oil of the Swiss pine with strong but flavoursome odour.
    • Europe
    • Essential oils
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    Chalk (CALCIUM CARBONATE)

    Natural calcium carbonate from best sites, (e.g. the nearby region ‘Hildesheim Börde’), finely ground and elutriated, therefore high whitening power and grain fineness.
    • Germany
    • Mineral fillers
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    Chlorophyll (COPPER COMPLEXES OF CHLOROPHYLLS AND CHLOROPHYLLINS)

    Pigment made from the dye of leaf green. The green dyestuff from plant leaves is used as copper complex in vegetable paints and Easter egg paints.

    • Europe
    • Plant colours
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    Chrome oxide green (CHROMIUM OXIDE GREENS)

    Green mineral pigment made from chromium ores. Its production has negative environmental impacts but there is no alternative yet. In contrast to so-called chromium (VI) compounds, it is insoluble and therefore non toxic.
    • Germany
    • Mineral Pigments
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    Citrate (SODIUM CITRATE)

    Sodium or potassium salt of citric acid.
    • Germany
    • Auxiliary agents
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    Citric acid (CITRIC ACID)

    Natural fruit acid in citrus fruits with good lime dissolving and water softening effect; made from molasses by means of fermentation.
    • Germany
    • Auxiliary agents
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    Citrus oil, lime oil (CITRUS LEMON FRUIT OIL, CITRUS LEMON FRUIT EXTRACT, CITRUS AURANTIFOLIA OIL)

    Genuine ethereal, yellowish oils from lemons and limes, used as scents.
    • Europe, Asia
    • Essential oils
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    Clay (CLAY)

    A mixture of clay, silt and sand that results from the weathering of rocks. It is one of the oldest mineral building materials and has a moisture regulating effect.

    • Germany
    • Mineral fillers
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    Cochineal (COCHINEAL)

    Red colorant, carminic acid, produced by scale insects which live on cactuses domiciled on the Canary Isles and in Mexico. It gives vegetable paint pigments a slightly bluish red colour shade. This raw material has a red to violet dyeing effect and is used as food colouring and in Easter egg paints.

    • America
    • Plant colours
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    Coconut oil (kbA)

    Coconut oil, also called coconut fat. This vegetable oil is won from the coconut in kbA quality (('certified organic') and saponified with alcaline solutions into coconut oil soap at our own facilities.

    • Philippines, the raw material is processed in the Netherlands
    • Soaps
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    Colophony glycerol ester

    Natural resin colophony is modified with the fat glycerine in a boiling process on the basis of a special method. The result is a binder with very good weather resistance and elasticity.
    • Europe
    • Binding agents
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    Cork

    Dermal tissue formed by almost any green plant on its subterranean and superterranean parts. Only the very thick cork layer of the cork oak (Quercus suber) domiciled in Mediterranean countries is of economic use. It is used in coarsely to finely ground state.
    • Europe, Germany
    • Auxiliary agents
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    Curcuma (CURCUMA)

    Plant from the ginger family with an intensive yellow flesh that is used, in fresh or dried state, as spice or colourant.
    • Asia
    • Plant colours
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    Dammar (SHOREA ROBUSTA RESIN)

    One of the most valuable and beautiful vegetable resins on earth. Its name is derived from the Malaysian word for "cat eye". It is very light-coloured and low in yellowing. Its tree of origin on Sumatra also supplies Meranti wood. The cultivation of dammar resin enables the inhabitants of Sumatra to sustainably use the tropic forest without destroying it. The use of dammar thus actively combats the depletion of tropical forests.
    • Asia
    • Resins
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    Decovery®

    Decovery® is a unique, innovative binding agent that is available exclusively for AURO in the present biogenic quality. It is made from plant alcohol esters of pines and castor plants, with a small remainder of fossile monomers. Decovery® is subject to continuous further development. With each step of development the share of fossile components will be reduced until they are completely replaced by biogenic ones.

    • Europe
    • Binder
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    Drying agents

    Auxiliaries, metal soaps made from minerals of calcium, zirconium, ferrum or manganese for reducing the drying times of vegetable oils.

    • Germany
    • Auxiliary agents
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    Essential oils

    Essential oils are the volatile components of plants, fruits and herbs, won by distillation.
    • Essential oils
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    Eucalyptus oil (EUCALYPTUS GLOBUKLUS LEAF OIL)

    Ethereal oil with slightly preserving effect made from the leaves of the Australian Eucalyptus tree, produced by water vapour distillation.
    • Europe
    • Essential oils
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    Fatty acids

    As sodium or potassium salts, consisting of hydrophobic and hydrophilic parts, these mainly plant-based auxiliary agents are used as dissolving intermediary, e.g. to emulsify oil in water.
    • Europe
    • Auxiliary agents
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    Fatty alcohol sulfate

    Fatty alcohol, won mainly from the reaction of coconut oil with sulphor oxide and caustic soda lye; used as raw material in washing agents.
    • Europe
    • Auxiliary agents
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    Glycerine

    Polyvalent alcohol, component of all animal and vegetable fats, produced by separation of fatty acids. AURO only uses glycerine of purely vegetable origin.
    • Germany
    • Auxiliary agents
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    Graphene

    Graphite, known from its use in pencils, consists of many very flat layers of graphene. Graphene builds very flat, two-dimensional structures that are formed like honeycombs. These structures produce very big surfaces and give the paints an enormous flexibility and resilience.

    • Spain
    • Auxiliary agents
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    Graphite

    Graphite is a frequently occurring mineral from the mineral class of „elements". It is one of the naturally occurring manifestations of the chemical element carbon in its pure form. It crystallizes in graphite in hexagonal two-dimensional layers that are also found in pencils. This special property makes it possible to write with pure carbon.

    • Europe
    • Auxiliary agents
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    Hydrogen peroxide (HYDROGEN PEROXIDE)

    Due to its strong capability to release oxygen, this compound of hydrogen and oxygen is well-suited as desinfectant.
    • Germany
    • Auxiliary agents
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    Indigotine (INDIGOFERA TINCTORIA)

    Extract produced by fermentation of the Bengal indigo plant. It was already used as dye 4,000 years ago. Serves as blue vegetable paint pigment and is used for natural egg colouring.

    • Asia
    • Plant colours
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    Iron oxide pigments

    Extremely finely dispersed, highly transparent pigments with excellent UV protection and good weather resistance which are especially used in stains.
    • Europe
    • Mineral Pigments
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    Jojoba oil

    This oil-like plant wax from the seeds of the Jojoba brush is mainly used as protective and caring component in cosmetics and care products.
    • North America
    • Oils
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    Kaolin (KAOLIN)

    Natural clay mineral (china clay, an alumina silicate). Filler for wall paints, plaster, lacquers. Base component for chinaware.
    • Europe
    • Mineral fillers
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    Lactic acid (LACTIC ACID)

    This acid produced by fermentaion of sugar by means of lactic acid bacteria is effective against limescale on dishes or glasses.
    • Germany
    • Auxiliary agents
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    Lactic casein

    Flocculated milk protein made from cow's milk by acidification after separating the fat. Valuable binder and emulsifier used in paints and adhesives. For this purpose it is pulped with mild alkalines (borax) to form casein paste.
    • Germany
    • Auxiliary agents
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    Larch resin balsam

    An ethereal balsam resin produced by drilling into the larch tree trunks. It is colourless, smells of terpene and serves as scent and binder.
    • Europe
    • Binding agents
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    Lavender oil (LAVANDULA ANGUSTIFOLIA OIL, LAVANDULA HYBRIDA OIL)

    Water vapour distilled oil of the lavender plant domiciled in Mediterranean countries.
    • Europe
    • Essential oils
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    Lecithin (LECITHIN)

    Natural phospholipid made from soy beans by hot water extraction which promotes wetting and emulsification.
    • Germany
    • Auxiliary agents
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    Lemon grass oil (CYMBOPOGON SCHOENANTUS OIL)

    Distillate from the ethereal oil of the East Indian tropical grass Andropogon flexuosus.
    • Asia
    • Essential oils
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    Linseed oil (LINUM USITATISSIMUM SEED OIL)

    Fatty seed oil of the linseed plant, produced by cold and warm pressing followed by gentle desliming and physical discolouring. As thickly boiled stand oil, it is a valuable binder component which provides high elasticity and creep. It comes partly from regional, improved conventional and controlled biological cultivation.
    • Germany
    • Oils
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    Linseed oil fatty acid

    Fatty acid produced naturally from linseed oil by the separation of glycerine which helps to wet pigments.
    • Germany
    • Fats
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    Liquid ammonia (AMMONIUM HYDROXIDE)

    Alkaline solution of ammonia in water, used for making special, water-dilutable resin, wax and oil soaps, so-called ammonia soaps.
    • Germany
    • Auxiliary agents
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    Logwood extract (HAEMATOXYLEN CAMPECHIANUM WOOD EXTRACT)

    Produced from the heartwood of trees cultivated in plantations, used for dyeing, its colour range covers blue and violet black shades.
    • Europe
    • Plant colours
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    Madder (RUBIA TINCTORUM ROOT)

    Colorant with a high content in red dye from central Europe, Turkey and Iran which is used as red pigment in colour wash plant paints.
    • Asia
    • Plant colours
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    Mineral pigments

    Inorganic pigments like natural earth paints, synthetic iron oxide pigments, e.g. ochre, English red, Persian red, earth black, and selected mineral paints such as ultramarine and chromium green.
    • Europe
    • Mineral pigments
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    Natural gypsum (CALCIUM SULFATE)

    Natural gypsum from deposits in the nearby Harz region. Germany.
    • Germany
    • Gypsum
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    Natural rubber milk (RUBBER LATEX)

    Chyle produced by cutting through the bark of rubber trees cultivated in South East Asia. The highly concentrated natural dispersion of natural rubber (caoutchouc) in water is mainly used as a binder in adhesives. Contains a little liquid ammonia to prevent flocculation during transport.
    • Asia
    • Binding agents
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    Norbixin

    Norbixin is the designation for the colourant won from the Achiote bush. The seeds are finely ground, the resulting versatile red colourant is used for food colouring, in cosmetics, colour wash plant glazes and in Easter egg paints.

    • South America
    • Plant colours
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    Orange oil (CITRUS AURANTIUM DULCIS PEEL OIL EXPRESSED)

    Ethereal oil produced during the manufacture of orange juice. The distilled, highly fragrant components are used in the perfume industry and for aroma therapy. The "terpene lyes" of weaker fragrance are used as solvents in resins and oils.
    • America
    • Essential oils
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    Orange terpene (D-, L-LIMONENE)

    Essential oil that is generated as a byproduct of camphor production. The distilled-off, highly fragrant parts are used in the perfume industry and in aromatherapy. The lesser fragrant terpene bases are used as solvents for resins and oils.

    • Europe
    • Essential oils
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    Organic acids

    Carbon compounds with slightly acidic properties (as opposed to known mineral acids such as sulphuric acid). In combination with AURO binders based on vegetable resins and oils, organic acids improve the application-related properties of coating materials.
    • Germany
    • Auxiliary agents
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    Palm kernel fat (kbA) (POTASSIUM PALMKERNEATE)

    Palm kernel fat is a byproduct of palm oil production. This colourless fat is won in kbA quality ('certified organic') from the seeds (fruit cores) of the oil palm.

    • Brasil and Ecuador, the raw material is processed in the Netherlands
    • Fats
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    Pine terpene alcohol (PINUS PALUS TRIS OIL)

    High-boiling fractions from the distillation of pine balsam terpene oil following catalytic water addition.
    • Europe
    • Thinner, solvents
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    Plant colour alumina pigment

    Coloured pigments for artist and wall paints made on the basis of a dedicated method. The colorants (reseda, madder, indigo, cochineal, leaf green, catechu, logwood, etc.) are extracted with water adding alum. The pigment is then precipitated as alumina coloured lacquer with lyes, filtered and washed. A laborious process which provides harmonically bright colour shades which sometimes take many days to develop.
    • Germany/ AURO
    • Plant colours
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    Potash (POTTASSIUM CARBONATE)

    Mild alkali formerly lixiviated from potash, today produced by the conversion of sodium carbonate with potash soaps. Used for the saponification of vegetable waxes, resins and oils.
    • Germany
    • Auxiliary agents
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    Potassium lye (POTASSIUM HYDROXIDE)

    Strong alkali for the saponification of vegetable oils and fats to generate wash active substances. Made from potassium chloride and water by electrolysis.
    • Germany
    • Auxiliary agents
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    Potassium silicate, silicate sol

    Finely dispersed solution of silicates, silicic acids in water which is produced by smelting quartz sand and potash. Used as binding agent in paints and to minimize the cloudiness of juices and wines.

    • Europe
    • Binding agents
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    Potassium sorbate

    The salt of the sorbic acid that is found, for example, in unripe fruits is used for the stabilization of water-soluble products and food.
    • Europe
    • Auxiliary agents
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    Precipitated silicate (SODIUM SILICATE)

    A mineral similar to swelling clay but produced by precipitation. The silicate particles are positioned in sheets. Precipitated silicate has a high binding capacity for calcium and is thus the main ingredient of our softener component.
    • Germany
    • Auxiliary agents
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    Quartz sand (QUARZ)

    Crystalline silicic acid, silicium dioxide, one of the most frequent minerals of the earth's crust. This chemically very hard-wearing material which forms during the weathering process of eruptive rock has a virtually unlimited availability.
    • Germany
    • Mineral fillers
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    Replebin

    Replebin® is an innovative, biogenic binding agent, developed by AURO in a sophisticated research project that lasted over several years. Replebin® consists of plant alcohol ester with organic acids. The innovative binding agent is legally protected and available exclusively from AURO.

    The biogenic nature of the binding agent is regularly examined and confirmed by the SGS INSTITUT FRESENIUS.

    • Germany
    • Binder
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    Reseda (RESEDA LUTEOLA EXTRACT)

    Dye plant (dyer’s weed) for making yellow vegetable paint pigment.
    • Europe
    • Plant colours
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    Rosemary oil (ROSMARINUS OFFICINALIS LEAF OIL)

    Ethereal oil produced from the leaves of real rosemary by water vapour distillation.
    • Europe
    • Essential oils
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    Safflower oil

    Drying oil made from the fatty seed oil of the Safflower thistle, thickened by boiling to form a low-yellowing binder component.
    • Europe
    • Oils
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    Salicylic acid (SALICYLIC ACID)

    This material is part of many plants and can be extracted, for example, from willow bark. Because of its germ-repelling characteristics it is a good preservative.
    • Germany
    • Auxiliary agents
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    Salt (SODIUM CHLORIDE)

    Undenaturated, pure rock salt (sodium chloride) without free flow agents for the prevention of scale deposits in dishwashers.
    • Germany
    • Auxiliary agents
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    Salt cake

    This salt for the use in plant paints and washing agents is made from sodium chloride and sulphuric acid.
    • Germany
    • Auxiliary agents
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    Shellac (SHELLAC)

    Resinous substance produced by lac insects (Laccifer lacca) living on trees domiciled in India. The resin encrustations are removed from the tree branches, filtered hot through cloths and bleached – not chemically but purely physically by AURO. Elastic binder for quick-drying lacquers.
    • Asia
    • Binding agents
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    Silicates

    Mineral fillers based on silicone oxides. Examples for naturally occurring silicates are mica, clay minerals or quartz (silicium dioxide).

    • Germany
    • Mineral fillers
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    Silicic acid (HYDRATED SILICA)

    Finely dispersed silicic acids without crystalline (quartz) structure made from quartz sand and lime by flame hydrolysis. Used as matting filler or as filter agent and binder additive in silicic brines.
    • Germany
    • Auxiliary agents
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    Soaps (POTASSIUM SOAP)

    Fats, oils and resins, e.g. from seeds of the coconut palm, sunflower seeds, linseed oil, soybean oil, the crushed seeds of oil palms, the seeds of Brassica napus (turnip rape) or the subtropical ricinus shrubs (ricinus communis), are gently saponified with caustic potash solution, soda lye or ammonia solution in dedicated facilities. Part of the raw materials come from controlled biological cultivation.
    • America, Europe; Processing of the soaps: Germany/ AURO
    • Soaps
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    Soda (SODIUM CARBONATE)

    Mild alkali from special salt deposits (sodium carbonate lakes). Sodium salt of carbonic acid, sodium carbonate which is used in AURO powder products for the pulping of casein.
    • Germany
    • Auxiliary agents
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    Sodium benzoate

    Salt of the benzoic acid that is, for example, main constituent of the benzoic resin. The white, crystalline solid material has a stabilizing effect in water-soluble products but is also used in food products.
    • Europe
    • Salts
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    Sodium bicarbonate (SODIUM BICARBONATE)

    In chemistry referred to as natrium hydrogen carbonate, used as neutralising agent and retarder in paints.
    • Germany
    • Auxiliary agents
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    Sodium metasilicate (SODIUM METASILICATE)

    Alkaline, water-dilutable sodium salt of silicic acid. Has a fat-dissolving effect in dishwashing detergents due to its alkalinity and is also water softening and anticorrosive.
    • Germany
    • Salts
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    Sodium percarbonate (SODIUM CARBONATE PEROXIDE)

    An adduct of chlorine-fee bleaching agent hydrogen peroxide to sodium carbonate. Decomposes into sodium carbonate, water and active oxygen at higher temperatures. The latter has a bleaching effect on stains.
    • Germany
    • Auxiliary agents
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    Sodium pyrithione

    Organic compounds that contain sulphur and nitrogen. They are used as preserving agents in cleaners, paints, cosmetics, and more.

    • Europe
    • Auxiliary agents
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    Spinel pigments

    The so-called „spinel pigments" are minerals that occur as mixed oxides from magnesium and aluminium. In a thermal process, these are replaced in the chrystal lattice structure by other metals which results in coloured variants that can be used as pigments. By use of these pigments, we can now widen the AURO colour spectrum by a multiple of shades and offer, for example, strong violet, yellow, blue, orange or green colours.

    • Europe
    • Mineral Pigments
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    Stearic acid

    Found in large quantities in fats and oils, produced from these by fat separation. Used for making stereates and as auxiliary in paints.
    • Europe
    • Auxiliary agents
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    Sugar surfactant (LAURYL GLUCOSIDE)

    Wash active substance, made from sugary raw materials by means of conversion with vegetable oils using potash at temperatures below 100 °C.
    • Germany
    • Auxiliary agents
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    Sunflower oil (HELIANTHUS ANNUUS SEED OIL)

    A light yellow, fatty oil from sunflower seeds which is used in lacquers, paints and soaps.
    • Germany
    • Oils
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    Surfactants made of rapeseed oil, castor oil

    Specifically selected auxiliaries based on vegetable oil, chemically modified, for the in-house production of aqueous, solvent-free oil resin binder for AURO Aqua products.
    • Germany
    • Auxiliary agents
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    Swelling clay (BENTONITE)

    Natural mineral (phyllosilicate) with good swelling capacity. Used as thixotropic agent in aqueous and resinous oily products with good swelling capacity and dirt absorption capacity following surface treatment.
    • Europe
    • Auxiliary agents
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    Talcum (TALC)

    Natural silicate mineral with pronounced layer structure ("steatite"). Thixotropic and pigment-saving filler for paints and lacquers.
    • Europe
    • Mineral fillers
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    Titanium dioxide (TITANIUM DIOXIDE)

    Highly opaque, non toxic white pigment for paints and lacquers, made from natural minerals (e.g. rutile) by separation of coloured companion substances. Also used as catalytically effective pigments with a special, finely dispersed structure capable of degrading harmful substances.
    • Europe, Asia
    • Mineral Pigments
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    Ultramarine blue

    An inorganic pigment whose crystalline structure is similar to that of lazurite. Used as mineral pigment in all blue stains and lacquers.
    • Europe
    • Mineral Pigments
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    Vitriolic iron

    Found as mineral in the form of green or white encrustations; technically produced by dissolving iron in sulphuric acid. This raw material is used for wood preservation, plant dyeing and in tanneries.
    • Europe
    • Auxiliary agents
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    Walnut oil (JUGLAWS REGIA SEED OIL)

    Fatty seed oil from the fruit pulp, a very valuable, semi-drying binder for paints.
    • Germany
    • Oils
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    Water (AQUA)

    AURO uses the particularly soft, pure water from the nearby Harz mountain region.
    • Germany
    • Thinner, solvents
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    Wheat flour

    Pure grain flour, used as thickening agent in paint removers.
    • Germany
    • Auxiliary agents
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    Wheat semolina

    The pure semolina is used as filling agent or extender. Contains gluten.

    • Germany
    • Auxiliary agents
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    Wine vinegar

    Natural acid made from wine by means of conversion into alcohol and further fermentation to produce vinegar.
    • Germany
    • Auxiliary agents
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    Wood oil

    Oil boiled until thick originating from the nut of the Chinese Tung tree; a valuable, easily drying lacquer binder.
    • Asia; Binding agent: Germany
    • Oils
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    Xanthane (XANTHAN GUM)

    Highly molecular, natural catabolic product, polysaccharide of (the genetically unmanipulated!) bacterium Xanthomonas campestris. Suitable as thickening agent and binder.
    • Germany
    • Auxiliary agents
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    Zeolite

    Aluminium silicate produced from alaun and sodium silicate by precipitation, a particularly environmentally friendly phosphate substitute for softening water.
    • Germany
    • Auxiliary agents