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neodymium magnets

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ZK XLINK 1026 elementów - construction toy

construction toy

Catalog no 260214

GTIN: 5906301814399

5

Weight

1513 g

79.90 with VAT / pcs + price for transport

64.96 ZŁ net + 23% VAT / pcs

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ZK XLINK 1026 elementów - construction toy

Specification/characteristics ZK XLINK 1026 elementów - construction toy
properties
values
Cat. no.
260214
GTIN
5906301814399
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Weight
1513 g [±0,1 mm]
Manufacturing Tolerance
± 0.1 mm

Magnetic properties of material

properties
values
units

Physical properties of NdFeB

properties
values
units
Vickers hardness
≥550
Hv
Density
≥7.4
g/cm3
Curie Temperature TC
312 - 380
°C
Curie Temperature TF
593 - 716
°F
Specific resistance
150
μΩ⋅Cm
Bending strength
250
Mpa
Compressive strength
1000~1100
Mpa
Thermal expansion parallel (∥) to orientation (M)
(3-4) x 106
°C-1
Thermal expansion perpendicular (⊥) to orientation (M)
-(1-3) x 10-6
°C-1
Young's modulus
1.7 x 104
kg/mm²

Shopping tips

Advantages as well as disadvantages of neodymium magnets NdFeB.

Apart from their consistent magnetism, neodymium magnets have these key benefits:

  • They have stable power, and over more than 10 years their attraction force decreases symbolically – ~1% (in testing),
  • Their ability to resist magnetic interference from external fields is impressive,
  • By applying a shiny layer of silver, the element gains a modern look,
  • They possess intense magnetic force measurable at the magnet’s surface,
  • Thanks to their enhanced temperature resistance, they can operate (depending on the form) even at temperatures up to 230°C or more,
  • Thanks to the freedom in shaping and the capability to adapt to unique requirements, neodymium magnets can be created in different geometries, which expands their usage potential,
  • Key role in advanced technical fields – they are used in data storage devices, electric drives, medical equipment or even sophisticated instruments,
  • Compactness – despite their small size, they generate strong force, making them ideal for precision applications

Disadvantages of magnetic elements:

  • They are prone to breaking when subjected to a strong impact. If the magnets are exposed to mechanical hits, it is suggested to place them in a steel housing. The steel housing, in the form of a holder, protects the magnet from cracks while also enhances its overall durability,
  • They lose field intensity at elevated temperatures. Most neodymium magnets experience permanent loss in strength when heated above 80°C (depending on the geometry and height). However, we offer special variants with high temperature resistance that can operate up to 230°C or higher,
  • Magnets exposed to moisture can oxidize. Therefore, for outdoor applications, we advise waterproof types made of non-metallic composites,
  • Limited ability to create threads in the magnet – the use of a housing is recommended,
  • Possible threat related to magnet particles may arise, when consumed by mistake, which is notable in the context of child safety. Furthermore, miniature parts from these assemblies may complicate medical imaging once in the system,
  • In cases of large-volume purchasing, neodymium magnet cost may not be economically viable,

Handle Neodymium Magnets Carefully

Magnets will attract to each other, so remember not to allow them to pinch together without control or place your fingers in their path.

Magnets will attract each other within a distance of several to around 10 cm from each other. Don't put your fingers in the path of magnet attraction, as a major injury may occur. Magnets, depending on their size, are able even cut off a finger or there can be a serious pressure or a fracture.

Dust and powder from neodymium magnets are flammable.

Do not attempt to drill into neodymium magnets. Mechanical processing is also not recommended. If the magnet is crushed into fine powder or dust, it becomes highly flammable.

 It is essential to maintain neodymium magnets out of reach from youngest children.

Not all neodymium magnets are toys, so do not let children play with them. In the case of small magnets, they can be swallowed and cause choking. In such cases, the only solution is to undergo surgery to remove the magnets, and otherwise, it can even lead to death.

Neodymium magnets can become demagnetized at high temperatures.

Although magnets have demonstrated their effectiveness up to 80°C or 175°F, the temperature can vary depending on the type, shape, and intended use of the specific magnet.

Keep neodymium magnets as far away as possible from GPS and smartphones.

Magnetic fields can interfere with compasses and magnetometers used in aviation and maritime navigation, as well as internal compasses of smartphones and GPS devices. There are neodymium magnets in every smartphone, for example, in the microphone and speakers.

Neodymium magnets are the strongest, most remarkable magnets on the planet, and the surprising force between them can surprise you at first.

On our website, you can find information on how to use neodymium magnets. This will help you avoid injuries and prevent damage to the magnets.

Avoid contact with neodymium magnets if you have a nickel allergy.

Studies clearly indicate a small percentage of people who suffer from metal allergies such as nickel. An allergic reaction often manifests as skin redness and rash. If you have a nickel allergy, try wearing gloves or avoid direct contact with nickel-plated neodymium magnets.

Do not place neodymium magnets near a computer HDD, TV, and wallet.

Neodymium magnets produce intense magnetic fields that can damage magnetic media such as floppy disks, video tapes, HDDs, credit cards, magnetic ID cards, cassette tapes, or other devices. They can also damage videos, televisions, CRT computer monitors. Do not forget to keep neodymium magnets away from these electronic devices.

People with pacemakers are advised to avoid neodymium magnets.

Neodymium magnets generate strong magnetic fields. As a result, they interfere with the operation of a pacemaker. This is because many of these devices are equipped with a function that deactivates the device in a magnetic field.

Magnets made of neodymium are highly delicate, they easily break and can become damaged.

In the event of a collision between two neodymium magnets, it can result in them getting chipped. Despite being made of metal as well as coated with a shiny nickel plating, they are not as hard as steel. At the moment of connection between the magnets, tiny sharp metal pieces can be propelled in various directions at high speed. Eye protection is recommended.

Pay attention!

Please see the article - What danger lies in neodymium magnets? You will learn how to handle them properly.

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