Mining Supply Company

Mining Supply Company

Mining Supply Company

Mining Supply Company

Magnetite Powder

Your Partner in Mining Strength and Precision

Magnetite Powder • Coal Washing and DMS

Magnetite powder that holds density and lifts clean coal yield

Songatech supplies natural magnetite powder for coal washing and Dense Medium Separation. High density and strong magnetic response give stable suspension, sharp separation, and efficient recovery. Plants choose Songatech for reliable supply and consistent performance.

Key facts

  • Composition: Naturally occurring iron oxide (Fe₃O₄)
  • Applications: Coal washing, DMS circuits, mineral separation plants
  • Density: 4.8 to 5.2 g/cm³
  • Magnetic susceptibility: High, for efficient recovery in drum separators
  • Particle size: Typically 90% passing 45 μm (custom grades available)
  • Packaging: 1-tonne bulk bags or poly-lined fibre drums (250 kg)
  • Lead time: Stock dispatch within 24 to 48 hours

Overview

Magnetite powder is the preferred medium in coal washing because it suspends well, maintains density, and recovers almost completely. Correct grade selection keeps cut points sharp and operating cost predictable across drums and cyclone circuits.

Stable suspension Sharp separation High magnetic response

Benefits that make Songatech the easy choice

  • Stable suspension in water for consistent medium density
  • Sharp separation that improves clean coal recovery
  • High magnetic response for quick and easy recovery
  • Recyclable medium with minimal consumption losses
  • Convenient bulk or sealed drum packaging
  • Suitable for wet drum and cyclone DMS circuits

Standard Magnetite Powder

Balanced density and recovery for drum washers in coal plants. Reliable medium behaviour and cost-effective performance.

Drum duty

Fine Magnetite Powder

Designed for cyclone separations that require sharper cut points and higher suspension stability at target SG.

Cyclone duty

Custom Grades

Produced to specification for unique density or particle size needs. Tailored to plant design and coal characteristics.

Built to spec

Quality assurance

  • Particle size distribution monitoring per batch
  • Density and magnetic susceptibility checks
  • Moisture content control for easy handling
  • Certificates of analysis with every order

Frequently asked questions

ChoiceWhy use magnetite instead of ferrosilicon
Magnetite is widely available and cost-effective for coal washing. Ferrosilicon is used where very sharp cut points are required in mineral separations.
RecyclingCan magnetite be reused
Yes. High magnetic susceptibility enables efficient recovery and recycling with minimal losses in a well-run plant.
SizingWhat particle size is best for coal washing
Most plants use fine magnetite with 90% passing 45 μm. Finer grades may be selected for cyclone circuits that require sharper density control.

Note. Correct grade and sizing depend on plant design, separation density, and the coal type being processed.

Selection guide

Coal washing — drumsCoarse separations

Recommended grade: Standard magnetite. Particle size: 90% < 75 μm. Stable and cost-effective for drum washers.

Coal washing — cyclonesSharper cut

Recommended grade: Fine magnetite. Particle size: 90% < 45 μm. Improves efficiency and control of cyclone separations.

Mineral DMS circuitsSpecialised duty

Recommended grade: Custom magnetite. Particle size: to specification. Tailored to target density and circuit design.

Packing and delivery

  • 1-tonne bulk bags with liner protection
  • 250 kg poly-lined fibre drums for smaller circuits or export
  • Stock items dispatch within 1 to 2 days
  • Export supply available across SADC and international markets

Keep density stable and improve clean coal yield

Send circuit type, target SG, and preferred packaging. Songatech will recommend a grade and confirm pricing and lead time.

sales@songatech.co.za

Songatech (Pty) Ltd 

Headquartered in Alrode, Alberton South, and active across all major mining provinces — including the Northern Cape, Limpopo, North West, Mpumalanga, and Gauteng — Songatech has also extended its support into Botswana, Zambia, Lesotho, and the DRC, building a regional footprint that reflects both scalability and reliability.

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