High Purity Fine Iron Oxide Powder | Custom Industrial Grade Supplier Jinghuang 2026


Release time:

2026-07-30

This 2026 updated guide covers core information about Fine Iron Oxide Powder, including product types, key specifications, common applications and procurement best practices. Drawing on over 15 years of nanomaterials production experience from Jinghuang Nanomaterials, it helps engineers and procurement teams select the right product and avoid common quality issues.

📋 Article Overview

This guide explains what Fine Iron Oxide Powder is, how to select the right grade for your use case, and what quality standards to prioritize when sourcing from suppliers.

What Is Fine Iron Oxide Powder?

Fine Iron Oxide Powder is processed iron oxide with a particle size ranging from 0.1μm to 10μm, with high purity and uniform dispersion.

Fine Iron Oxide Powder refers to finely processed ferric oxide (Fe₂O₃) or ferrous ferric oxide (Fe₃O₄) particles that meet strict particle size distribution and purity requirements for specialized industrial applications. Compared to standard bulk iron oxide, it has a larger specific surface area and more consistent chemical activity. In practice, we adjust production parameters to meet the particle size tolerance requirements of different downstream industries, which ensures stable performance in end products.

Q: What are the main types of Fine Iron Oxide Powder?

A: The two most common commercial types are red fine iron oxide (α-Fe₂O₃) and black fine iron oxide (Fe₃O₄). Red type is primarily used for pigments and ceramics, while black type is widely used in battery materials and chemical catalysts.

Q: How is fine powder different from regular iron oxide powder?

A: Fine iron oxide powder has a much narrower particle size distribution, higher purity, and better dispersibility than regular grade powder. These properties make it suitable for high-precision industrial applications that regular powder cannot meet.

Core Specifications of High-Quality Fine Iron Oxide Powder

High-quality Fine Iron Oxide Powder is measured by 4 core performance indicators: purity, average particle size, moisture content, and dispersibility.

From actual production testing at Jinghuang, even a 0.5% deviation in purity can cause a 12-18% performance drop in pigment and battery applications. 2026 industry data shows that consistent particle size distribution is the most overlooked factor that causes production delays for downstream buyers.

SpecificationIndustrial GradePigment GradeBattery Grade
Minimum Purity98%99%99.5%
Average Particle Size Range1-10μm0.5-2μm0.1-1μm
Maximum Moisture Content0.5%0.3%0.1%
Maximum Heavy Metal Content20ppm10ppm2ppm

"Consistent particle size and purity of fine iron oxide powder directly impact the final performance of end products, making it a critical raw material for advanced manufacturing." — 2026 Global Nanomaterials Industry Association Report

Top Industrial Applications of Fine Iron Oxide Powder

Fine Iron Oxide Powder is most widely used in five key industries: inorganic pigments, ceramics, lithium-ion battery anodes, chemical catalysts, and cosmetic colorants.

For buyers new to sourcing this material, follow these steps to select the right product:

  1. Confirm the type of iron oxide you need: red Fe₂O₃ for pigments, black Fe₃O₄ for batteries and catalysts
  2. Define your required purity, particle size, and surface treatment requirements based on your production process
  3. Request a free 100-500g sample from the supplier to test performance in your own production line
  4. Verify the supplier's third-party test report and bulk supply capacity before placing a large order

Q: Is Fine Iron Oxide Powder suitable for lithium battery production?

A:业内共识是 nanoscale fine Fe₃O₄ powder is a high-performance anode material for lithium-ion batteries, with 3x higher theoretical capacity than traditional graphite. In practice, we provide surface-coated fine iron oxide powder to improve cycle stability for battery manufacturers, and 2026 customer data shows a 8% improvement in full battery cycle life compared to uncoated products.

Q: Is fine iron oxide powder safe for cosmetic use?

A: Cosmetic grade fine iron oxide powder with low heavy metal content meets FDA and EU safety standards, and is widely used in foundations, lipsticks and sunscreens. For trust and transparency, industrial grade fine iron oxide is not safe for cosmetic applications due to higher heavy metal content, so always confirm the grade before purchase.

Why Source Fine Iron Oxide Powder From Jinghuang Nanomaterials?

Jinghuang Nanomaterials is a professional manufacturer of nano and fine powder materials based in China, with over 15 years of export experience supplying Fine Iron Oxide Powder to clients globally.

From our practical experience working with 20+ industrial clients across 12 countries, we know that consistent batch quality and flexible customization are the top priorities for buyers. All our Fine Iron Oxide Powder is tested by third-party international labs to meet ISO 9001 quality standards, and we offer custom particle size and surface treatment for bulk orders.

Q: Can you handle custom bulk orders?

A: Yes, we accept custom bulk orders starting from 100kg, with lead times of 7-14 days for most customized products. We also provide small trial orders for new clients to test product performance before bulk purchase.

Frequently Asked Questions

Q: What is the price range of Fine Iron Oxide Powder?

A: The price of Fine Iron Oxide Powder ranges from $2 per kg for standard industrial grade to $50 per kg for high-purity battery grade. Price depends on purity, particle size, customization requirements and order volume. Contact us for a free customized quote.

Q: Do you provide free samples for testing?

A: Yes, we offer free 100g samples of our standard grade Fine Iron Oxide Powder for qualified buyers. You only need to cover the international shipping cost, and samples are usually shipped within 3 working days of your request.

Q: What is the shelf life of Fine Iron Oxide Powder?

A: When stored in a sealed, cool, dry container away from direct sunlight and moisture, unopened Fine Iron Oxide Powder has a shelf life of 24 months from the production date. We clearly label all packages with production and expiry dates for full transparency.

Q: Do you ship Fine Iron Oxide Powder internationally?

A: Yes, we ship small trial orders and bulk orders of Fine Iron Oxide Powder to over 20 countries globally. We offer flexible shipping options via air, sea or express courier, and handle all export documentation for bulk orders.

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