Ferrite Block Magnets – 50x20x20mm

R 39.00

The uncoated ferrite block magnets are available in various sizes from 8x8x25mm up to 50x28x8.6mm.

Ferrite magnets are hard but brittle, and they can chip or break if dropped or snapped together, so please take special care when handling these magnets

 

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SKU: 510261
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Description
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Description

Ferrite magnets offer an ideal combination of affordability and durability, making them a go-to choice for many industrial and hobbyist applications. Composed of oxides of iron, they are naturally corrosion-resistant—even when submerged in water. As a result, they are considered virtually corrosion-free. Consequently, they ensure long-term performance that stands up to harsh environments and repeated use. They can surpass the lifecycle of many other products when properly cared for.

Additionally, ferrite magnets exhibit strong resistance to chemical attacks from alkaline solutions, dilute acids, organic solvents, and some hydroxides. This exceptional resilience makes them suitable for use in salt water conditions, without any concerns about rust or degradation.

Furthermore, while ferrite magnets typically do not require coatings, they may be coated in specialist applications where surface dust must be eliminated—such as in medical environments. Visually, these magnets present a darker grey hue often described as “pencil lead” in colour.

When evaluating their practicality, several advantages stand out. First, they’re low in cost. Second, they offer high resistance to corrosion. Third, they can withstand elevated temperatures. However, it’s important to note their drawbacks. Ferrite magnets are brittle and may crack, chip, or break upon impact. They also lack the strength found in neodymium magnets.

Nevertheless, ferrite magnets remain a reliable and economical solution across countless applications.

Direction of magnetism:

Through the thickness

Direction of magnetism through a ferrite magnet block
PRODUCT SPECIFICATIONS: 
Material:Ceramic, iron oxide (Fe2O3)
Dimensions:50mm long x 20mm wide x 20mm thick
Shape:Block
QTY:01 Pcs
Coating:Uncoated
Grading:Y30BH
Tolerance:+/- 0.1
Maximum temperature:Ferrite magnets can be used at temperatures up to a maximum of +180 degrees Celsius
Pulling Force:
Colour:Dark grey
Direction of Magnetism:Through the thickness
Ferrite Magnets are useful for:
  • craft projects
  • fridge magnets
  • science experiments
  • school projects
For stronger magnets see below:

Neodymium (Rare Earth) Magnets – Crafty Arts

Additional Info
Sizes

8x8x25mm, 10x8x4mm, 20x5x5mm, 20x10x5mm, 30x12x5mm, 50x19x5mm, 50x20x20mm, 75x50x2mm

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