Descripción del Producto
Al utilizarse en aplicaciones de cemento y hormigón, los pigmentos de óxido de hierro garantizan una coloración uniforme en toda la mezcla, lo que resulta en pavimentos, suelos y elementos arquitectónicos estéticamente atractivos. Su alto poder colorante permite un control preciso de la intensidad del tono, mientras que su fino tamaño de partícula promueve una distribución uniforme, eliminando vetas o manchas. Esto da como resultado superficies duraderas que mantienen su aspecto vibrante en diversas condiciones climáticas.
En la fabricación de azulejos, los pigmentos de óxido de hierro ofrecen una paleta diversa, lo que permite la producción de azulejos en una amplia gama de colores, desde tonos terrosos hasta tonalidades intensas y vibrantes. La estabilidad térmica de los pigmentos garantiza la retención del color durante los procesos de cocción a alta temperatura, garantizando así que el producto final cumpla con los requisitos estéticos y funcionales.
En general, los pigmentos de óxido de hierro son esenciales para lograr una coloración uniforme y duradera en los materiales de construcción, mejorando tanto su atractivo visual como su valor de mercado.
Nuestra ventaja
1. Servicio 24 horas, 7 días a la semana
2.Servicio OEM y ODM
3. Cantidad mínima de pedido (1 kg)
4. Control de calidad estricto: prueba del 100% antes de la entrega
5. Excelente servicio postventa.
| Cas No. | 1309-37-1 |
| Lugar de origen | Porcelana |
| Color | Rojo, negro, amarillo, verde, rosa, morado y marrón. |
| Forma | Powder |
| Purity | 97% |
| Calificación | Grado industrial |
| Paquete | 25kg/bag，customized package |
| Cantidad mínima de pedido | 1 kilogramo |
Iron oxide pigments are the most widely used color inorganic pigments in modern industry, ranking second only to titanium dioxide in global inorganic pigment output and occupying a dominant position in colored inorganic pigment markets. Derived from natural iron ores or synthetic chemical reactions, these pigments consist mainly of iron oxides and iron oxide hydrates, covering a complete color spectrum of red, yellow, black, brown, and compound hues such as orange and green. With a history spanning thousands of years, they have evolved from primitive natural mineral colorants into high-performance industrial materials, serving as an indispensable foundation for modern coating, construction, plastic, and rubber industries.
The mainstream iron oxide pigment series includes four core categories: iron oxide red, iron oxide yellow, iron oxide black, and iron oxide brown. Iron oxide red (Fe₂O₃), the most productive and widely used type accounting for nearly 50% of total iron oxide pigment output, is sourced from natural hematite or high-temperature calcination of synthetic iron compounds, presenting stable reddish-brown to bright red shades. Iron oxide yellow (Fe₂O₃·H₂O) features uniform lemon yellow to golden yellow tones with excellent tinting strength, while iron oxide black (Fe₃O₄) delivers pure jet-black color with unique magnetic properties. Iron oxide brown is a composite pigment blended from red, yellow, and black iron oxides, tailored to meet diverse earth-tone coloring demands for industrial and architectural scenarios.
What distinguishes iron oxide pigments from organic dyes and other inorganic colorants is their superior comprehensive stability, which underpins their long-term industrial popularity. First, they possess exceptional light and weather resistance. Unlike organic pigments that fade rapidly under ultraviolet radiation and outdoor exposure, iron oxide pigments maintain stable color saturation for more than 20 years in open-air environments, resisting discoloration caused by sunlight, rain, wind, and temperature fluctuations. Second, they exhibit outstanding chemical inertness, remaining stable against acids, alkalis, solvents, and most industrial chemical media, with no chemical decomposition or color variation in complex service environments. Additionally, these pigments feature high heat resistance, with most grades tolerating temperatures up to 300°C without structural damage or color deviation, adapting to high-temperature processing of plastics, ceramics, and industrial coatings.
Other critical advantages include excellent dispersibility, high hiding power, and non-toxic environmental compatibility. Fine micronized iron oxide particles can be evenly dispersed in water-based and oil-based systems without agglomeration, ensuring uniform coloring and smooth film formation. Their strong hiding power effectively covers substrate backgrounds, reducing pigment dosage and lowering production costs. Moreover, qualified iron oxide pigments are non-toxic, non-irritating, and compliant with international environmental and food-contact safety standards, enabling their safe application in food packaging coatings, toy plastics, and indoor decorative materials. Compared with toxic lead and chromium-based pigments, they have become the preferred eco-friendly alternative for global industrial upgrading.
Iron oxide pigments are primarily divided into natural and synthetic types, with synthetic products dominating the modern industrial market due to stable quality. Natural iron oxide pigments are directly crushed and purified from natural iron-bearing minerals, featuring low cost and good weather resistance but unstable color consistency and impure tones due to mineral impurity fluctuations. Synthetic iron oxide pigments are manufactured via precise chemical processes such as oxidation, precipitation, and calcination, with controllable particle size, uniform color, high purity, and superior tinting strength, fully meeting the stringent quality requirements of high-end industrial manufacturing.
The application scenarios of iron oxide pigments cover almost all industrial coloring fields, with the construction and coating industries being the largest consumption areas. In the construction sector, they are widely used for coloring cement, concrete, pavement bricks, roof tiles, and decorative mortars. The stable earthy tones endow urban infrastructure and architectural landscapes with durable color effects, avoiding the fading and peeling problems of traditional organic colorants. In architectural and industrial coatings, iron oxide pigments serve as both colorants and functional additives; their inertness enhances the weather resistance and anti-corrosion performance of coating films, making them ideal for outdoor wall coatings, metal anti-rust paints, and marine protective coatings.
