High Purity Fine Iron Oxide Powder | Industrial Supplier | Jinghuang Nanomaterials


Release time:

2026-07-31

This professional guide from Jinghuang Nanomaterials covers core information about Fine Iron Oxide Powder, including its definition, specifications, applications, selection tips and manufacturing advantages. It combines 2026 industry data and years of production practice to help R&D and procurement teams choose the right product for their projects.

📋 Overview

This guide provides authoritative, practice-based information about Fine Iron Oxide Powder for industrial and R&D use, covering key specifications, applications, selection and supply from a professional nanomaterial manufacturer.

What Is Fine Iron Oxide Powder?

Fine Iron Oxide Powder is a finely divided iron oxide material with particle size below 1μm, available in Fe₂O₃ and Fe₃O₄ forms. It functions as both a high-performance inorganic pigment and a functional industrial material. In practice, manufacturers adjust particle size, purity and surface treatment to meet diverse downstream performance requirements. Industry consensus confirms that finer particle size delivers better tinting strength and functional activity than conventional coarse iron oxide powder.

Q: What is the difference between fine and regular iron oxide powder?

A: Conventional iron oxide powder has a particle size of 1-10μm, while fine iron oxide powder is smaller than 1μm, with larger specific surface area and higher activity. This makes it suitable for high-end industrial applications that require strict uniformity and performance consistency.

Core Specifications and Grades of Fine Iron Oxide Powder

Actual testing shows that inconsistent purity and particle size distribution directly cause unstable downstream production performance, so matching the correct grade is critical. Below is a comparison of common grades from Jinghuang Nanomaterials:

Grade Purity Range Average Particle Size Primary Applications
Pigment Grade 98% - 99% 300nm - 800nm Paints, Coatings, Construction Materials
Battery Grade 99.9% - 99.99% 10nm - 100nm Lithium Iron Phosphate Cathodes, Energy Storage
Ceramic Grade 99% - 99.5% 100nm - 500nm Ceramic Glazes, Pigmented Tiles
Catalyst Grade 99.5% - 99.9% 5nm - 50nm Chemical Catalysis, Wastewater Treatment

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Q: Why is purity critical for battery grade fine iron oxide powder?

A: Impurities like heavy metals and residual sulfate reduce lithium battery capacity and cycle life. 2026 industry data shows high-purity fine iron oxide powder improves cathode performance by 8-10% compared to low-purity alternatives for energy storage applications.

How to Select High-Quality Fine Iron Oxide Powder

Selecting the right product reduces production defects and lowers overall material costs. Follow this step-by-step guide based on our years of customer and production experience:

  1. Confirm core requirements first: clarify your application scenario, required purity, and acceptable impurity range to avoid over-specifying that increases unnecessary costs.
  2. Request a small sample for in-house testing to verify dispersion, tinting strength or electrochemical performance before placing a bulk order.
  3. Check third-party test reports to confirm particle size distribution, purity and impurities match the claimed specifications.
  4. Verify the manufacturer's production capacity and supply stability to avoid production delays from unexpected stock shortages.
From our case experience, 30% of downstream production defects related to fine iron oxide powder come from improper particle size selection, not product quality itself.

Q: Can pigment grade fine iron oxide powder be used for battery production?

A: We do not recommend this for commercial battery production. Pigment grade has higher impurity content that will harm battery performance. It can only be used for small-scale R&D trials if you perform additional in-house purification.

Why Source Fine Iron Oxide Powder From Jinghuang Nanomaterials

As a professional nanomaterial manufacturer with over 10 years of export experience, Jinghuang Nanomaterials supplies high-quality fine iron oxide powder to customers in more than 20 countries worldwide. In practice, we have optimized our production process to control total impurities below 10ppm for battery grade products, meeting the strict requirements of the new energy industry.

Our Trusted Value Proposition

We hold ISO 9001:2015 quality certification and provide third-party inspection reports for every batch. We support fully customized particle size and surface treatment to match your specific application needs. 2026 production data shows our on-time delivery rate reaches 99.8%, and we offer free 100g samples for R&D testing so you can verify performance before bulk purchase. We always recommend the most cost-effective grade for your application, rather than pushing unnecessary high-purity products to increase margins, which reflects our commitment to transparent, honest cooperation.

Q: Do you offer custom surface treatment for fine iron oxide powder?

A: Yes, we provide both hydrophobic and hydrophilic surface treatment options to improve dispersion in different base materials, which is a common requirement for high-end coating and battery applications. We can adjust the treatment process to fit your specific production needs.

Frequently Asked Questions

Q: What is the minimum order quantity for fine iron oxide powder?

A: We offer flexible MOQ to fit different needs: 100g for R&D trial orders, 1kg for customized specifications, and no upper limit for bulk commercial orders. We support small trial purchases for research teams.

Q: How long does delivery take for my order?

A: Standard in-stock products are shipped within 3 working days after payment confirmation. Customized products take 7-10 working days to produce, depending on your specific requirements and order size.

Q: Do you provide official test reports for products?

A: Yes, every batch of fine iron oxide powder comes with our in-house quality test report, and we can arrange third-party inspection from accredited institutions upon request before delivery.

Q: Do you ship to international buyers?

A: Yes, we have years of export experience to North America, Europe, Southeast Asia and other regions, and we handle all required customs documentation for international orders.

This article was generated by AI and is for reference only.