Concrete Oxide Pigment

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Iron oxide pigments are widely adopted for their stability, weather resistance and versatility, and their relatively low cost makes them a cost-effective choice for making a wide range of color products.

Iron oxide pigments maintain color stability during the preparation process and do not change color when exposed to heat or light.

Because iron oxide pigments are available in a variety of oxidation states, a wide range of colors can be achieved through different formulations and treatments, from bright to deep.

Iron oxide pigments have excellent weathering resistance, with high resistance to light, chemicals and climate change, and are not easily faded or discolored.

$Iron oxide pigments remain stable at high temperatures and are therefore often used in products that are resistant to high temperatures, such as ceramics or refractory materials.$

Iron oxide pigments remain stable at high temperatures and are therefore often used in products that are resistant to high temperatures, such as ceramics or refractory materials.

Iron oxide pigments are mainly composed of iron and oxygen elements. Depending on the oxidation state, they can be formed into a variety of colors, such as red, yellow, brown and black.

Iron oxide pigments are extremely light stable and can therefore be exposed to outdoor environments for long periods of time without noticeable color fading.

Compared to some other pigments, iron oxide pigments are often considered an environmentally friendly choice as they contain no heavy metals or other harmful substances.

Iron oxide pigments have excellent covering ability, which can effectively hide the color or imperfections of the underlying layer when covering the surface.

Iron oxide pigments are widely used in coatings, paints, plastics, rubber, ceramics, asphalt, cement and other fields to provide color stability and uniform tinting effect.

Application of iron oxide pigment in concrete

Nowadays, in the building materials industry, colored cement bricks, cement tiles, wall tiles, floor tiles, blocks, concrete pavements and other colored cement pavements have been widely used. Iron oxide pigment for concrete is suitable for coloring the following kinds of building structures and cement parts:
Various indoor and outdoor colored concrete surfaces and building surfaces, such as walls, floors, floor tiles, roof tiles, panels, gutters, blocks, towers, colored mortars, colored tiles, ridge tiles.
Terrazzo and mosaic tiles for decorating indoor and outdoor walls, floors, staircases, porches, passageways, etc. ......
Artificial stone, such as artificial marble, artificial gray stone, etc.
Asbestos cement for decorating wall panels, floor tiles, roof tiles, window sills and stairs.
Color dry mortar series, such as color enhancer, color caulk, color spray mortar, color compression molded flooring, self-leveling cement for wear-resistant flooring.
Color paste series, such as water-based color paste for commercial solidification or architectural coatings, oil-based color paste for epoxy flooring or polyurethane floor coatings.
Iron oxide pigment Added to cement concrete to form colored cement concrete, the original coloring degree can still be guaranteed after long-term use.
Iron oxide pigments for concrete are widely used in the building materials industry because of their excellent coloring and application properties, low price, as well as the advantages of absorbing ultraviolet rays and protecting the substrate in the application system from degradation.

How to use iron oxide pigment in concrete

The amount of iron oxide pigment in concrete products is limited to 1% to 10%. Exceeding the upper limit will reduce the mechanical strength of the products. Generally 5%～8% is appropriate.
Iron oxide pigment does not contain two compounds, lead oxide and zinc oxide, which will affect the setting time and strength.
Sometimes, concrete products need to be cured at temperatures and pressures above 200°C. Therefore, black iron oxide and brown iron oxide, which can be converted to red iron oxide at 180°C, must be heat stabilized.
Cement concrete pavement mixed with iron oxide pigment should not be too thick at one time. Generally not more than 20cm. too thick will cause the waste of iron oxide pigment for concrete, which is not economical and cannot guarantee the quality of concrete itself.

Concrete Oxide Pigment