Magnetite Powder

High-performance synthetic magnetite powder (Fe₃O₄) manufactured in the UK. This micronised pigment features an ultra-fine predominant particle size of ~200 nm (0.2 µm), offering higher purity and lower density than naturally sourced magnetite. Ideal for coatings, pigments, composites, laboratory, and specialist industrial applications.

Key Features

• Synthetic Magnetite (Fe₃O₄) – Consistent quality and performance

• Ultra-Fine Micronised Powder – Predominant particle size ~200 nm

• High Purity – Fe₃O₄ >96.8%

• Fine Mesh Control – 99.995% <325 mesh (~45 µm)

• UK Manufactured – Reliable supply and traceability

Uses

• High-performance black pigment for coatings and paints

• Fillers for composites and polymer systems

• Laboratory testing and R&D applications

• Educational and scientific experiments

• Specialist industrial and technical uses

📋 Product Details

• Source: Synthetic

• Chemical Formula: Fe₃O₄

• Purity: >96.8% Magnetite

• Particle Size:

  • 99.995% <325 mesh (~45 µm)

  • Predominant particle size ~200 nm (0.2 µm)

• Colour: Deep black

• Form: Fine micronised powder

• Country of Origin: UK

• Brand: HD Chemicals LTD

Available Pack Sizes & Packaging

• 100 g – 1 × 100 g bag

• 200 g – 2 × 100 g bags

• 500 g – 1 × 500 g bag

• 1000 g – 2 × 500 g bags

• 1500 g – 3 × 500 g bags

Step-by-Step: 5 Popular Uses & How to Apply

1️⃣ Pigment for Coatings & Paints

1. Measure 10–30 g magnetite powder

2. Add to 1 litre binder or paint base

3. Mix thoroughly until uniform
   ⚠️ Avoid dust inhalation

2️⃣ Composite & Resin Fillers

1. Add 20–100 g powder per 1 kg resin

2. Mix slowly to avoid air entrapment

3. Cast or apply as required

3️⃣ Laboratory & Research Use

1. Weigh 1–10 g using precision scales

2. Conduct testing in ventilated conditions

3. Store unused material sealed

4️⃣ Educational Demonstrations

1. Measure 2–5 g

2. Demonstrate magnetic or pigment properties

3. Clean equipment after use

5️⃣ Industrial & Technical Applications

1. Adjust dosage to suit process requirements

2. Blend uniformly into system

3. Test performance before scale-up

📈 Other Names

Magnetite Powder, Fe3O4 Powder, Synthetic Iron Oxide Black, Micronised Magnetite Pigment, Iron Oxide Magnetite Powder, Fine Magnetite Powder

❓ Frequently Asked Questions (FAQ)

❓ Is this magnetite natural or synthetic?
This is synthetic magnetite, offering higher purity and consistency than natural material.

❓ How fine is the powder?
99.995% is below 325 mesh, with a predominant particle size of ~200 nm.

❓ What are the advantages of synthetic magnetite?
Higher purity, lower density, and more consistent particle size.

❓ How is the product supplied?
Supplied in sealed bags, with larger quantities split into multiple bags for ease of use.

❓ How should magnetite powder be stored?
Store in a cool, dry place in tightly sealed containers.