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  • Why is Alkali Resistance the Most Critical Factor When Selecting Iron Oxide Powder for Concrete and Masonry Applications?

    In the architectural and construction sectors, the aesthetic longevity of colored concrete is heavily dependent on the chemical stability of the pigments used. Iron oxide powder is the global standard for providing vibrant hues to masonry, yet not all pigments are created equal. Deqing Demi Pigment Technology Co., Ltd. (with trade company Deqing Hele New Material Technology Co Ltd.) specializes in...

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  • What are the Primary Chemical Composition and Crystal Structure of Pigment Red 101?

    In the world of industrial colorants, Pigment Red 101 (Color Index No. 77491) stands as the gold standard for durability and opacity. Known scientifically as anhydrous ferric oxide (Fe2O3), it is the primary inorganic pigment used in high-performance coatings, construction materials, and plastics. At Deqing Demi Pigment Technology Co., Ltd., we specialize in the research and production of high-sta...

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  • How Does Iron Oxide Green 5605 Perform in Concrete and Pavement Applications Compared to Other Green Pigments?

    In the realm of architectural colorants, achieving a vibrant yet durable green in cementitious matrices has historically been a challenge for engineers. The emergence of iron oxide green 5605 has provided a high-performance solution that balances aesthetic brilliance with structural integrity. Deqing Demi Pigment Technology Co., Ltd. (and our trading arm, Deqing Hele New Material Technology Co Ltd...

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  • Green Iron Oxide Pigment: Properties, Uses, and Safety

    Introduction to Green Iron Oxide Pigment Green iron oxide pigment is a versatile inorganic colorant widely recognized for its stability and aesthetic appeal. While pure iron oxide is typically red, yellow, or black, green variations are often achieved through high-precision blending or complex composite processes. This guide explores the technical foundations and industrial significance of this es...

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