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Iron oxide powder is a group of chemical compounds composed of iron and oxygen,
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Iron Oxide Blue
Short Description:
Lacquers, inks, paints, pigments and crayons, coloring of lacquered fabrics, lacquered paper, coloring of plastic products, coloring of architectural floors, floor tiles, etc.
Iron Oxide Blue - High-Performance Iron Oxide Blue Pigment
Iron Oxide Blue (chemical formula: Fe₃O₄) is a high-quality synthetic inorganic pigment widely used in coatings, construction materials, plastics, ceramics and other fields. With excellent tinting strength, weather resistance and chemical stability, it has become the ideal choice for industrial and artistic applications.
Core Advantages
1. Superior Tinting Strength and Color Stability
- High-purity formula delivers vibrant, uniform blue tones with strong coverage
- UV-resistant and heat-resistant (up to 300°C+) without fading over time
2. Excellent Weather Resistance and Durability
- ISO 1248 certified for outdoor applications (e.g., exterior coatings, concrete products)
- Outstanding acid/alkali resistance for harsh environments (industrial flooring, chemical equipment coatings)
3. Eco-Friendly and Safety Certified
- Heavy metal-free (compliant with EU REACH, FDA standards), safe for toys and packaging
- Low-dust design improves production environment safety
4. Wide Application Compatibility
- Coatings Industry: Water/oil-based paints, automotive primers, anti-corrosion coatings
- Construction Materials: Colored concrete, bricks, asphalt tiles
- Plastics & Ceramics: PVC, PE, ceramic glaze coloring
Technical Specifications
| Property | Specification |
|---|---|
| Color Hue | Standard deep blue (customizable) |
| Oil Absorption | 15-25 g/100g |
| Lightfastness | Grade 8 (ISO 105-B02) |
| Particle Fineness | ≤1μm (98% pass rate) |
Why Choose Our Iron Oxide Blue?
✅ Customization Service: Adjustable color codes, particle size, and packaging
✅ Global Supply Chain: Stable supply with technical support and samples
✅ Cost-Effective: High tinting strength reduces usage and overall costs
Frequently Asked Questions (FAQ)
Q: Is it suitable for food contact materials?
A: Yes, we offer FDA-certified products for food packaging.
Q: What is the minimum order quantity (MOQ)?
A: Please contact us for details, we'll provide the optimal solution for your needs.
Q: What is the delivery time?
A: 3 days for stock products, 7-15 working days for customized products.
Call to Action (CTA)
Contact Now: Request free samples and technical documents!
Email: [email protected]
Product packaging
We use high-quality packaging materials and professional packaging, palletizing, and film wrapping equipment.
- 25KG papre bag with plastic inner
- 25KG ater-soiubie bag
- 25KG Low melting PE bag
- 500KG-1250KG jumbo bag
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835
Full Shade:
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Full Shade:
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Industry knowledge
Alkali Resistance and Color Permanence of Blue Iron Oxide Pigment in Exterior Wall Panels
Chemical Engineering for High-pH Environments
Cementitious architectural components, such as exterior wall panels, maintain a high alkalinity (pH 12–13) due to the presence of calcium hydroxide. Standard pigments often suffer from "alkali attack," resulting in fading, chalking, or severe color shifts. Blue iron oxide pigment is a specialized composite pigment where inorganic iron oxide serves as a carrier for high-stability organic blue components. Deqing Demi Pigment Technology Co., Ltd. utilizes a unique encapsulation and surface-treatment process to shield the pigment particles from chemical reactions with the cement paste. This alkali resistance ensures that the blue hue remains vivid and structurally integrated within the cement matrix, preventing the degradation commonly seen with untreated dyes.
Key Factors in Color Stability
- Chemical Inertness: The high-performance composite blue series from Deqing Demi Pigment Technology Co., Ltd. is engineered to be non-reactive with the lime and alkalis present in concrete, maintaining its molecular structure throughout the hydration process.
- UV and Weatherfastness: In addition to alkali resistance, our blue iron oxide pigment provides an 8-grade lightfastness rating. This is essential for exterior wall panels that face simultaneous chemical stress from the substrate and physical stress from intense solar radiation.
- Uniform Particle Distribution: By utilizing our micronized series, the pigment achieves a finer dispersion. This prevents localized concentrations of alkali from affecting the color uniformity, ensuring a consistent aesthetic across large architectural surfaces.
Technical Parameter Comparison: Standard Blue vs. Composite Blue Oxide
| Technical Property | Standard Organic Blue | Composite Blue Iron Oxide (Demei) |
| Alkali Resistance (1-5 Scale) | 1 - 2 (Poor) | 4 - 5 (Excellent) |
| pH Tolerance | 4.0 - 9.0 | 3.0 - 13.0 |
| Lightfastness (1-8 Scale) | 5 - 6 | 7 - 8 |
| Tinting Strength (%) | Variable | 95% - 105% (Standardized) |
| Heat Stability | Low (<160°C) | Up to 200°C |
Commitment to Quality at Deqing Demi Pigment Technology Co., Ltd.
Deqing Demi Pigment Technology Co., Ltd. focuses on the research, development, and production of a full range of inorganic pigments, including iron oxide red, yellow, black, brown, green, orange, and blue. We specialize in high-performance and high-stability composite iron oxide pigments across three series: standard, micronized, and low heavy metal content levels. Beyond technical leadership, Demei faithfully fulfills its social responsibilities by protecting the ecological environment and strengthening safe production. Our commitment to caring for the health of employees ensures that our high-purity pigments are produced under the safest and most sustainable conditions for the global construction industry.
Frequently Asked Questions (FAQ)
Q1: Why is Deqing Demi Pigment Technology Co., Ltd. the preferred partner for colored cement panels?
Deqing Demi Pigment Technology Co., Ltd. focuses on providing high-stability composite pigments that are specifically formulated for the harsh conditions of the construction industry. Our R&D ensures that the blue iron oxide does not react with the alkaline cement, preventing premature fading and ensuring that exterior wall panels maintain their design intent for the duration of the building's lifespan.
Q2: Does Deqing Demi Pigment Technology Co., Ltd. offer low-heavy-metal options for blue pigments?
Yes. As part of our mission to protect the ecological environment and fulfill social responsibilities, Deqing Demi Pigment Technology Co., Ltd. provides a specialized series with low heavy metal content levels. These high-performance pigments allow our clients to meet strict environmental regulations while maintaining the vibrant color and alkali resistance required for modern architectural finishes.
Q3: What are the dispersion benefits of using micronized blue iron oxide from Demei?
The micronized series produced by Deqing Demi Pigment Technology Co., Ltd. features superior fineness and lower oil absorption. This allows for faster and more uniform dispersion in water-based coatings and dry-mix mortars. This high-stability series improves production efficiency and ensures a more consistent color finish in cementitious wall panels, while our focus on safe production minimizes dust handling for our customers' employees.
Technical Factors Influencing Oil Absorption of Blue Iron Oxide Powder in Epoxy Systems
Surface Area and Particle Morphology
In solvent-based epoxy floor systems, the oil absorption rate of blue iron oxide powder is a critical metric that dictates the amount of resin required to fully "wet" the pigment. This rate is primarily influenced by the total surface area and the porosity of the pigment particles. Deqing Demi Pigment Technology Co., Ltd. utilizes controlled precipitation and blending techniques to ensure that our blue composite pigments have a compact particle structure. A higher surface area or an irregular, porous morphology increases the void spaces that must be filled by the epoxy binder, leading to higher oil absorption. By optimizing the particle shape, we help formulators maintain low-viscosity systems even at higher pigment loadings.
Micronization and Aggregate Reduction
- Particle Fineness: The presence of large, loose aggregates significantly increases the oil absorption value. Deqing Demi Pigment Technology Co., Ltd. offers a micronized series where these clusters are broken down into primary particles. This leads to a more efficient packing density within the solvent-based epoxy matrix.
- Surface Treatment: Chemical modification of the blue iron oxide powder surface can lower its affinity for oil-based solvents. Our R&D team develops high-stability coatings that reduce the polar nature of the inorganic particles, thereby lowering the overall resin demand.
- Moisture and Volatiles: Residual moisture can cause localized clumping, which artificially inflates oil absorption readings. Our strict production standards ensure minimal volatile content, providing consistent performance in industrial flooring.
Technical Parameter Comparison: Standard vs. Micronized Blue Powder
| Technical Property | Standard Blue Iron Oxide | Micronized Blue Iron Oxide (Demei) |
| Oil Absorption (g/100g) | 25 - 35 | 18 - 25 |
| Average Particle Size (μm) | 0.5 - 0.9 | 0.1 - 0.3 |
| Hegman Fineness (Grind) | 40μm - 50μm | 10μm - 20μm |
| Tinting Strength (%) | 95% - 105% | 110% - 120% |
| Dispersion Stability | Moderate | High (Reduced Sedimentation) |
Commitment to Innovation: Deqing Demi Pigment Technology Co., Ltd.
Deqing Demi Pigment Technology Co., Ltd. focuses on the comprehensive research, development, and production of high-performance inorganic pigments, including iron oxide red, yellow, black, brown, green, orange, and blue. We offer three specialized series: standard, micronized, and low heavy metal content levels. Beyond technical precision, Demei faithfully fulfills its social responsibilities by protecting the ecological environment and strengthening safe production. We care for the health of employees by implementing dust-controlled manufacturing processes, ensuring that our high-stability pigments contribute to both a better finish and a safer workspace.
Frequently Asked Questions (FAQ)
Q1: How does Deqing Demi Pigment Technology Co., Ltd. support the cost-efficiency of epoxy floor formulations?
Deqing Demi Pigment Technology Co., Ltd. focuses on reducing the oil absorption of its pigments through advanced micronization. By providing blue iron oxide powder with a lower resin demand, we allow manufacturers to create high-solids epoxy systems that use less expensive binder while achieving excellent color depth and surface leveling.
Q2: Does Deqing Demi Pigment Technology Co., Ltd. provide low heavy metal pigments for indoor flooring?
Yes. Deqing Demi Pigment Technology Co., Ltd. produces a specific series with low heavy metal content levels to comply with indoor air quality and safety standards. We are dedicated to protecting the ecological environment and fulfilling our social responsibilities, ensuring our pigments are safe for use in residential and commercial epoxy floor applications.
Q3: What makes the blue pigments from Deqing Demi Pigment Technology Co., Ltd. highly stable in solvent-based systems?
Our high-stability composite iron oxide pigments are engineered to resist flocculation and color floating. Deqing Demi Pigment Technology Co., Ltd. utilizes specialized surface treatments that improve the compatibility between the inorganic pigment and solvent-borne resins, ensuring that the blue hue remains uniform across the entire floor surface while maintaining the health of employees through easier handling and processing.
