Iron oxide black Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1309-38-2 |
| Product name | Iron oxide black |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial GradeElectronic GradeReagent Grade |
| Packaging | 25KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for Iron oxide black
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Iron oxide black Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Iron oxide black
| Industry | Application | Process |
|---|---|---|
| Coatings & Paints | Colorant for anticorrosive coatings, architectural coatings, and automotive paints | Dispersed into resin systems via mixing and grinding, followed by filtration and paint formulation |
| Construction Materials | Colorant for cement, concrete, and ceramic products | Mixed with cement or ceramic raw materials and processed via high-temperature sintering or ambient-temperature blending to produce colored construction materials |
| Plastics & Rubber | Black pigment for plastic and rubber products | Incorporated during polymer processing (e.g., extrusion, injection molding) and uniformly dispersed via melt compounding |
| Electronics Industry | Component of magnetic materials and magnetic recording media | Used in the production of magnetic powders, with high-purity magnetite prepared via precipitation, calcination, and ball milling |
| Chemical Reagents | Reference standard or catalyst support in analytical chemistry | Employed as a redox catalyst or as a precursor for synthesizing other iron compounds |
| Environmental Remediation | Adsorbent or catalytic promoter in water treatment | Applied in heavy metal ion removal or organic pollutant degradation following surface modification or composite fabrication |
Manufacturing Quality Control of Iron oxide black
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Iron Content | Redox Titration with KMnO4 | Oxidation of Fe2+ to Fe3+ by potassium permanganate in acidic medium; endpoint detected by persistent pink color. |
| Total Iron (Fe2+ + Fe3+) | ICP-OES | Quantification of total iron after acid digestion by measuring atomic emission intensity at characteristic wavelength. |
| Loss on Ignition (LOI) | Gravimetric Method | Mass loss measured after heating sample at 1000 C for 1 h; reflects moisture, volatile impurities, and organic residues. |
| pH of Aqueous Slurry | Potentiometric Measurement | pH determined using calibrated glass electrode in 10% w/w aqueous suspension. |
| Oil Absorption | ASTM D281 | Volume of linseed oil absorbed per 100 g sample until paste consistency is achieved; indicates surface area and dispersibility. |
| Residue on Sieve (45 um) | Dry Sieving | Percentage of material retained on 45 um sieve after mechanical sieving under controlled airflow. |
| Color Strength (Blackness) | Reflectance Spectrophotometry | Measurement of reflectance at 600 nm relative to standard; lower reflectance indicates higher blackness. |
| Heavy Metals (Pb, Cd, Hg, Cr) | ICP-MS | Multi-element quantification after microwave-assisted acid digestion using high-sensitivity mass spectrometry. |
| Water Soluble Salts | Conductivity Measurement | Electrical conductivity of aqueous extract (1:10 w/v) correlates with concentration of soluble electrolytes. |
| Specific Surface Area (SSA) | BET Nitrogen Adsorption | Surface area calculated from nitrogen gas adsorption isotherm using Brunauer-Emmett-Teller theory. |
| Bulk Density | ASTM D1473 | Mass per unit volume of freely settled powder in standardized cylinder; measured via calibrated cup method. |
| Particle Size Distribution | Laser Diffraction | Analysis of light scattering pattern generated by dispersed particles in liquid medium to determine size distribution. |
Technical Specifications of Iron oxide black
| Test Item | Specification |
|---|---|
| Appearance | Black powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=1.0% |
| Heavy Metals | <=20 ppm |
| Total Impurities | <=1.5% |
| Solubility | Insoluble in water and organic solvents |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of Iron oxide black
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of Iron oxide black
Industrial Iron oxide black Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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