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The Case for Choosing Iron Oxide Yellow 313 A concrete paver manufacturer testi
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Iron Oxide Green
Short Description:
Widely used in paints, pigments, coatings, plastics, ceramics, rubber, paper and other industries.
INORGANIC PIGMENT SERIES
Green Iron Oxide Powder
Iron Oxide Green 5605 · Olive/Military Grade
Product Profile
Green Iron Oxide Powder is an inorganic synthetic pigment typically produced by blending iron oxide yellow (FeOOH) with iron oxide black (Fe₃O₄) in controlled ratios, or through co-precipitation of iron and chromium salts, yielding hues from olive green to deep military green.
A widely used grade, Iron Oxide Green 5605, delivers a distinctive olive/military green tone suitable for construction coloring, industrial coatings, and specialty applications. Green Iron Oxide Pigment provides long-term color stability under UV exposure, alkaline environments, and outdoor weathering conditions. The product is free from restricted heavy metals, complying with REACH and RoHS regulations.
Iron Oxide Green Pigment features controllable particle size, good dispersibility, and compatibility with aqueous, solvent-borne, and dry powder systems, making it applicable across construction materials, industrial coatings, plastics, and rubber.
5605 Primary Grade
7+ Lightfastness
≤1.0% Moisture
Key Advantages
Lightfastness
Grade 7+ (ISO 105-B02); stable hue under prolonged outdoor UV exposure
Alkali Resistance
Stable in cement/concrete systems at pH 12+; no discoloration
Heat Resistance
Hue retention up to 160°C; compatible with most thermoplastic processing
Chemical Stability
Insoluble in water and most organic solvents; chemically inert
Regulatory Compliance
REACH & RoHS compliant; no restricted heavy metals
Dispersibility
Uniform particle size distribution; consistent tinting strength across multiple systems
Technical Specifications
Chemical Composition Mixed iron oxides (Fe₂O₃ + Fe₃O₄), or iron-chromium composite oxides (grade-dependent)
Typical Grade Iron Oxide Green 5605 (olive green / military green)
CI Number Pigment Green 17 / Pigment Brown 6 blend (grade-dependent)
Appearance Powder; hue range from yellow-green to deep olive green
Oil Absorption ~30–50 g/100g (varies by grade)
pH (aqueous suspension) 6.0–8.0
Moisture Content ≤1.0%
Particle Size D50 0.3–1.0 μm (grade-dependent)
Density ~3.5–4.5 g/cm³
Application Areas
CM
Construction and Building Materials
Iron Oxide Green is used for coloring concrete blocks, colored paving bricks, artificial stone slabs, and precast concrete elements. Its alkali resistance maintains stable hues in high-pH cementitious matrices over extended service life without chalking or fading.
AC
Architectural and Industrial Coatings
Green Iron Oxide Pigment is incorporated into interior and exterior emulsion paints, industrial primers, and anticorrosion coatings. Iron Oxide Green 5605 is a standard shade for engineering machinery, military facility coatings, and outdoor structural applications requiring olive or military green tones.
PR
Plastics and Rubber
Green Iron Oxide Powder demonstrates thermal stability up to 160°C in PVC, PE, PP, and rubber compounds with no migration, suitable for outdoor weathering-resistant plastic components.
PC
Powder Coatings
Compatible with thermosetting epoxy/polyester powder coating systems, with stable hue retention through curing cycles. Applicable for green coloring of outdoor metal structures and industrial equipment housings.
AP
Artist Pigments and Specialty Coatings
Iron Oxide Green Pigment, given its non-toxic profile and natural earth tones, is also used in watercolor and acrylic artist pigment formulations, as well as camouflage coatings and other specialty applications.
FAQs
What does the grade designation Iron Oxide Green 5605 indicate?
The designation 5605 is an industry color code identifying a specific olive/military green hue range. Naming conventions may vary between manufacturers; CIE Lab measurement is recommended as the reference standard for batch-to-batch color consistency verification.
How does Green Iron Oxide Powder differ from organic green pigments?
Inorganic iron oxide green offers stronger lightfastness, alkali resistance, and weathering durability compared to most organic green pigments. However, its chroma is lower, with tones leaning toward olive and military green rather than bright or vivid greens. Organic pigments such as phthalocyanine green deliver higher saturation but with comparatively reduced alkali resistance and outdoor durability.
How can dispersion of Green Iron Oxide Pigment in water-based systems be improved?
Pre-wetting with polycarboxylate-based dispersants, followed by high-speed dispersion and bead-milling to a fineness of ≤40 μm (Hegman 4–5), effectively improves color uniformity and system stability.
Is Green Iron Oxide Powder suitable for food contact materials?
Standard industrial-grade Green Iron Oxide Powder is not approved for food contact applications. Grades certified under FDA 21 CFR or EU food contact material regulations are required for such use cases, with full compliance verification necessary before application.
Handling and Usage Notes
N1 Wear appropriate dust masks (minimum FFP1) during handling to prevent prolonged inhalation of fine pigment particles.
N2 Processing temperatures exceeding 200°C may cause hue shift; confirm the thermal profile of the formulation system before use.
N3 Batch-to-batch color matching (△E verification) is recommended to ensure production consistency, particularly for architectural and decorative applications.
N4 Store in a dry, cool, ventilated environment; keep sealed to prevent moisture absorption and caking. Shelf life is 24 months under normal storage conditions.
N5 Avoid contact with strong oxidizing agents to prevent chemical reactions that may alter hue stability.
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
101
120
180
313
330
610
960
835
Full Shade:
101
120
180
313
330
610
960
835
Reduction (1:10):
110
130
190
810
318
686
2040
5605
Full Shade:
110
130
190
810
318
686
2040
5605
Reduction (1:10):
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Iron Oxide Green Industry knowledge
Iron Oxide Green: Durable Color for Demanding Applications
Deqing Demi Pigment Technology Co., Ltd. is a professional Iron Oxide Green manufacturer and supplier in China. We produce high-performance composite iron oxide pigments in three series: standard, micronized, and low heavy metal content. Our green pigments deliver long-term color stability under UV exposure, alkaline environments, and outdoor weathering, making them a reliable choice for construction, industrial coatings, plastics, and rubber.
Our range includes Iron Oxide Green 5605 (olive/military green) and other shades, all REACH and RoHS compliant. We combine precise particle engineering with rigorous quality control to ensure consistent tinting strength and dispersibility across aqueous, solvent-borne, and dry powder systems.
Product Range and Positioning
We supply green iron oxide pigments tailored to specific application needs. Our standard series offers cost-effective performance for general construction and coatings. The micronized series provides finer particles for faster dispersion and higher color development in water-based systems. The low heavy metal series meets strict environmental regulations for sensitive applications.
| Series | Key Features | Typical Applications |
|---|---|---|
| Standard | Balanced cost and performance; D50 0.4–0.9 μm | Concrete, paints, general plastics |
| Micronized | Ultra-fine particles (D50 0.1–0.3 μm); faster dispersion | Water-based coatings, inks, high-gloss finishes |
| Low Heavy Metal | Meets strict regulatory limits; safe for sensitive uses | Food-contact packaging, toys, eco-friendly products |
Application Fit and Material Considerations
Our green iron oxide pigments are engineered for compatibility with high-pH cementitious systems, offering alkali resistance up to pH 12+ without discoloration. They are also heat-stable up to 160°C, making them suitable for thermoplastic processing in PVC, PE, and PP.
- Construction: Concrete blocks, paving bricks, artificial stone – stable hues without chalking.
- Coatings: Exterior emulsion paints, industrial primers, anticorrosion coatings – UV and weather resistant.
- Plastics & Rubber: Outdoor components – no migration, thermal stability.
- Powder Coatings: Thermosetting epoxy/polyester systems – hue retention through curing.
Critical Specifications and Quality Assurance
Each batch is tested for key parameters to ensure consistent performance. Our quality control includes moisture content (≤1.0%), pH (6.0–8.0), oil absorption (30–50 g/100g), and particle size distribution (D50 0.3–1.0 μm). We provide certificates of analysis (COA) and support third-party inspections.
Our pigments comply with REACH and RoHS, and we offer low heavy metal grades for markets with stringent environmental regulations. For food-contact applications, we can discuss certified grades upon request.
Configuration and Customization
We offer multiple packaging options: 25kg paper bags with plastic lining, 25kg water-soluble bags, 25kg low-melting PE bags, and 500kg–1250kg jumbo bags. Custom packaging and palletizing are available for large orders.
For color matching, we recommend CIE Lab measurement to verify batch-to-batch consistency. Our technical team can assist in selecting the right grade based on your application and processing conditions.
Information We Use to Configure Your Solution
To prepare a precise quotation and product recommendation, we need the following details:
- Target application (e.g., concrete, paint, plastic)
- Resin or binder system and processing temperature
- Desired color shade (e.g., 5605 olive green) and color tolerance (ΔE)
- Required particle size or dispersion method
- Regulatory requirements (REACH, RoHS, FDA, etc.)
- Annual volume and packaging preference
Handling, Storage, and Safety
Store in a dry, cool, ventilated area, sealed to prevent moisture absorption. Shelf life is 24 months under normal conditions. Avoid temperatures above 200°C to prevent hue shift. Wear appropriate dust masks during handling.
Frequently Asked Questions
Q: What does the grade 5605 indicate?
A: 5605 is an industry color code for olive/military green. We recommend CIE Lab measurement for precise color matching.
Q: How does green iron oxide differ from organic green pigments?
A: Inorganic green offers superior lightfastness, alkali resistance, and weathering durability, though with lower chroma. Organic pigments like phthalocyanine green provide brighter shades but less outdoor stability.
Q: Can green iron oxide be used in food-contact materials?
A: Standard industrial grades are not approved. We can supply grades certified under FDA or EU food contact regulations if required.
Q: How do I improve dispersion in water-based systems?
A: Pre-wetting with polycarboxylate dispersants and bead-milling to ≤40 μm (Hegman 4–5) improves uniformity. Our micronized series disperses faster.
Q: What is the shelf life of green iron oxide powder?
A: In sealed, dry storage, it remains stable for years. We state 24 months as a conservative guideline.
Related Products and Categories
Our portfolio also includes Iron Oxide Pigment, Products, Iron Oxide Red for applications with different operating ranges, interfaces or integration requirements.
