Black Cobalt Pigments And Dispersions

We are one of the world’s providers of pigments and dispersions, including Inorganic and black cobalt pigments, functional pigments and color pigment preparations.

Our custom black cobalt pigments and formulations provide our customers with specific properties such as aesthetics (shade, tinting strength, opacity), process and service life performance (dispersibility, heat fastness, chemical fastness, migration, light and weather fastness) and functionality (anticorrosion, NIR reflectance, camouflage, tanning) at the most competitive cost.

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Porcelain cover coat enamel frits raw material for enamel coating

Porcelain enamel frit is a glass of a particular chemical composition and physical nature determined for the surface protection of metal.

Enamel frit is a form of glass bonded to metal on a molecular level at high temperature.20191209

This results in a typical and unique composite material of glass and metal, which combines the positive qualities of both materials.

Cover coat have good opacity and gloss with clean and fine surface, but they can’t be directly coated on the body metal, they require the matched ground coat enamel frits. The firing temperature of cover coat enamel frit is lower than that of ground coat enamel frit.

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Porcelain Enamel Ground Coat

Porcelain enamels are glass coatings applied primarily to products or parts made of sheet steel, cast iron, and aluminum to improve appearance and to protect the metal surface.

This article describes the types of porcelain enamels, and details porcelain enamel ground coat for these materials. It provides a list of steels suitable for porcelain enamel ground coat and discusses the most important factors considered in the selection of steel for porcelain enameling.

The article briefly presents the preparation methods of these materials for porcelain enamel ground coat and covers the methods, and furnaces of porcelain enameling. It examines the role of coating thickness, firing time and temperature, metal substrate, and color on the performance of enameled surfaces. The article concludes with a discussion on the properties of enameled surfaces, factors considered in process control, and test procedures for evaluating the quality of enameled surfaces.

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The Vitreous Enamel Process

Vitreous enamel or porcelain enamel is the name given to glass bonding to a metal surface by fusion. A wide range of colors are produced by incorporating certain elements to the glass, mostly transition metals.

History

There is no evidence on how or where vitreous enamel making started, the earliest known articles are six enameled gold rings dating from the 13th century BC discovered in a Mycenaean tomb at Kouklia, Cyprus.

The Greeks were enameling as early as the 5th century BC. Julius Caesar found the Celtic inhabitants of Britain enameling in the 1st century BC.

During the Byzantine era (4th through 12th centuries) many enamel religious works were made. In Limoges, France the use of enamel painting technique was perfected in the 15th Century.

China’s earliest enamel works date from the 14th century, enameling was introduced in the area by the Muslims. Japan began enameling in the mid 1800’s with high quality results.

In the second half of the 19th century Russian jeweler Peter Carl Fabergé captivated Europe with his fantastic enameled eggs.

Vitreous Enamel Different Techniques

The glass used to enamel is crushed to a powder finer than granulated sugar and coarser than flour. Different elements especially metals are added to the glass to color it. This colored glass powder is then bonded to a metal surface, usually copper, silver or gold by fusion. The enameled metal piece is fired between 1000° to 1600° F in a kiln.

After 1 to 10 minutes, the piece is removed and cooled down to room temperature. Subsequent coats, or the adding of different colors, are applied. 10 to 20 firings are required to get the desired results. When ready the piece is polished.

The process mentioned above is the same for every enameling technique, what varies is the way the metal surface is prepared to receive the enamel or how the enamel is applied to it.

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Inorganic Pigments

Inorganic pigment is a kind of stable chemical physical structure formed by solid-phase reaction of many metal oxides under high temperature calcination (>800). The inorganic pigment features Excellent light resistance, weather resistance, high temperature resistance; Good covering power, tinting power, dispersion; no bleeding, no migration; Excellent acid-proof, alkali resistance, chemical resistance; Compatible with most thermoplastic and thermosetting plastic.

Applications of Inorganic Pigment

Outdoor plastic and masterbatch: such as PVC decorative panels, plastic steel window profiles, engineering plastics, masterbatch and so on.

Coatings: fluorocarbon coatings, powder coatings, coil coatings, automotive coatings, traffic marking coatings, camouflage coatings, aircraft coating, marine coatings, ultra-durable outdoor architectural coatings, printing inks and industrial coatings.

Building products: cement, concrete, roof construction materials, ceramics, stained glass.

Environmental areas: food packaging containers, plastic utensils, plastic toys, painting coatings.

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Ground Coat Frits

Range of Ground Coat Frits suitable for application on Pan Support, Silencers, Hollow-ware and Signboards.

– Cobalt based Ground Coat Frits

– Nickel based Ground Coat Frits

We offer ground coat frits, glazes, colours and raw materials for use in the various fields of ceramics like traditional ceramics, decorative tiles, enamelware and abrasive wheels.

Our readymade glazes are in demand across world. Our customized product development facility, makes us unique in this Industry.

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Cobalt Blue has calming properties

20191107People tend to be more productive in blue interiors as they are calm and more focused on the task. Cobalt blue reminds us of the clear blue sky and we are suddenly getting the feeling of seeing things the way they really are.

We love working with DULUX colours due to their wide range of colour choices.

Cobalt blue is a stunning colour, and it looks amazing as an upholstery on chairs or sofas.

We feel there is no medium with this colour. You either go full on in your interior or you bring this colour into the room in limited amounts.

Another use for cobalt blue could be bringing hints of this colour by tiling kitchen backsplash or table to add extra pattern and colour to the interior space. We also love to use interesting wall decorations for styling, photo shoots to bring and extra oomph to the room. Another interesting choice of cobalt blue application could be in your bathroom space.

If you are brave enough, opt in for a floor to ceiling panelling painted in the same colour or choose same colour furniture for any particular area in your house.

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What Is Vitreous Enamel Coating?

Enamel or vitreous enamel coating is really a thin layer of glass fused by heat on to the surface of a metal.

Vitreous enamel coating is part of everyday life and found all around us. It covers many kitchen surfaces including cookers, saucepans and washing machine drums. You will find vitreous enamel coating covering cast iron or steel baths and clock and watch faces. Vitreous enamel coating is also used by artists and in jewellery, famously in Russia’s Fabergé eggs.

Out of doors, we use vitreous enamel coating for street signs, Underground station signs, architectural panels, storage tanks and in lots of other places. It is selected because it is weatherproof, vandal resistant, fire proof and because it lasts and lasts and lasts. The Titanic’s Captain Smith’s bathtub vitreous enamel coating has survived very well under the sea.

We make vitreous enamel coating by melting tiny coloured glass particles on to red-hot metal in 800 degrees C furnaces. As it cools it fuses to give glass-coated metal. It all started 3500 years ago in Cyprus. Since 1500 BC enamelling has provided a wonderful, durable, attractive and reliable material.

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The Lovely Cobalt Blue Color

20190929Imagine a life of black and white. You can get a glimpse through films back in the early 1930’s or 40’s. Although there were stories to tell, the colors that were supposed to give life to those movies (just like what we have right now) was not there. Can you really imagine if we had to live a life in the uniformity of black and white? Thankfully we don’t have to! Life in color is the opposite of boring, it’s a blessing if you think about it.

Colors can make you appreciate the beauty of things in front you. They breathe life within each hue. Every color and their different pigments have their own special spotlight and cobalt blue color has been an easy favorite for centuries. This shade screams prominence and pride.

Cobalt blue color ’s compound form has silvery, bluish-gray metal ore. As for color, cobalt blue color is deeper than sky blue and lighter than navy blue. The discovery of this pigment can be traced back to as far as the Middle Ages and has greatly been used since the nineteenth century. It was actually not until late 1803 when the color was commercially manufactured. Back then, it was a very expensive pigment that only rich and prominent artists or painters could get a hold of it.

Cobalt blue color is derived from its primary color, blue, which in psychology is a representation of trust and responsibility; hence, many shades of blue are used by big companies on their branding. In modern days now, cobalt blue color has also been stably used in many industry such as paints and ceramics.

Cobalt blue color is sometimes tagged as Parrish, Thénards, or Dresden blue – yet, it’s all the same pigment in the palette. You can actually create your very own cobalt blue food color by boiling red cabbage in a water solution that has baking soda in it.

The color cobalt blue color seems to make anything look amazing. From glassware, to decorative bottles, dishes, clothes, potteries, shoes, and even headbands! Cobalt blue color can also look great on clothing. This shade is vibrant and can flatter almost every skin tone – and not to mention that it looks good day or night. You can wear it from head to toe!

Did you know that cobalt blue color ladybugs, butterflies, and even tarantulas exist?! Yes, and a whole lot of other species from the ecosystem flaunt their cobalt blue colors too. Surprisingly, the cobalt blue color tarantula is a shy creature, but, just like most spiders, they are ferocious lil’ creatures when it comes to being a predator.

Colors themselves are worth being thankful for. The variation of greens in rolling pastures, the tone of blues in oceans and the sky, the opaque crystal clear waters in the river, the shimmering yellow, orange, red, and pink of every sunset and sunrise we admire – they all that add vivacity to our lives.

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About Porcelain Enamel

What is porcelain enamel?

Porcelain enamel on steel is a glass-like, non-porous material made up of silica, borax, soda, and various metal oxides that are fused to steel sheets.

How is it affected by the elements?

Porcelain enamel on steel used for exterior surfaces is unaffected by sun, rain, snow, dust, or industrial atmospheres. The hard impervious surface defied the worst of weather conditions and will last the life of the building.

What is the durability of color?

The color is permanent and will not oxidize, fade, peel, or blister. Shades of red, orange, and yellow, usually the most fugitive in the color spectrum, are unaffected by the sun.

What are the size limitations?

Our porcelain enamel on steel products are generally produced in lengths of up to ten feet and widths of up to four and one-half feet (twenty square feet recommended) with edge flanges for stiffness and concealed fasteners.

What are the maintainance requirements?

Porcelain enamel on steel is maintenance-free and does not need refinishing or repainting.

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