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neodymium magnets

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ZM XMAG2 105 elementów - magnetic toy

magnetic toy

Catalog no 040211

GTIN: 5906301812371

5

Weight

569 g

49.20 with VAT / pcs + price for transport

40.00 ZŁ net + 23% VAT / pcs

bulk discounts:

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Strength as well as structure of magnetic components can be verified using our magnetic mass calculator.

Orders placed before 14:00 will be shipped the same business day.

ZM XMAG2 105 elementów - magnetic toy

Specification/characteristics ZM XMAG2 105 elementów - magnetic toy
properties
values
Cat. no.
040211
GTIN
5906301812371
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Weight
569 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

Our magnetic blocks are available for purchase at our store in Ożarów Mazowiecki or via our online store, as well as by phone.
Our XMAG2 magnetic building blocks are an ideal gift for little one, combining fun with education. The set includes neodymium magnets and steel balls, allowing for the construction of multidimensional structures. Compatible with Geomag blocks, our blocks enhance manual skills in people of all ages. We offer sets with different numbers of pieces, including XMAG2 210, offering many hours of educational entertainment.

Advantages and disadvantages of neodymium magnets NdFeB.

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

  • They have stable power, and over around 10 years their attraction force decreases symbolically – ~1% (according to theory),
  • They show superior resistance to demagnetization from external magnetic fields,
  • By applying a reflective layer of gold, the element gains a clean look,
  • They have very high magnetic induction on the surface of the magnet,
  • These magnets tolerate extreme temperatures, often exceeding 230°C, when properly designed (in relation to build),
  • Thanks to the flexibility in shaping and the capability to adapt to specific requirements, neodymium magnets can be created in different geometries, which expands their usage potential,
  • Wide application in modern technologies – they serve a purpose in data storage devices, electromechanical systems, clinical machines or even high-tech tools,
  • Thanks to their concentrated strength, small magnets offer high magnetic performance, with minimal size,

Disadvantages of magnetic elements:

  • They may fracture when subjected to a sudden impact. If the magnets are exposed to external force, it is advisable to use in a protective case. The steel housing, in the form of a holder, protects the magnet from cracks and increases its overall strength,
  • They lose strength at high temperatures. Most neodymium magnets experience permanent loss in strength when heated above 80°C (depending on the shape and height). However, we offer special variants with high temperature resistance that can operate up to 230°C or higher,
  • Magnets exposed to damp air can degrade. Therefore, for outdoor applications, it's best to use waterproof types made of plastic,
  • Using a cover – such as a magnetic holder – is advised due to the difficulty in manufacturing threads directly in the magnet,
  • Safety concern from tiny pieces may arise, when consumed by mistake, which is crucial in the context of child safety. Moreover, small elements from these assemblies may complicate medical imaging after being swallowed,
  • Higher purchase price is one of the drawbacks compared to ceramic magnets, especially in budget-sensitive applications

Precautions

Neodymium magnets are the strongest magnets ever invented. Their power can shock you.

Familiarize yourself with our information to properly handle these magnets and avoid significant swellings to your body and prevent disruption to the magnets.

Neodymium magnets should not be near people with pacemakers.

Neodymium magnets generate very strong magnetic fields that can 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.

Never bring neodymium magnets close to a phone and GPS.

Neodymium magnets produce intense magnetic fields that interfere with magnetometers and compasses used in navigation, as well as internal compasses of smartphones and GPS devices.

Neodymium magnets can demagnetize 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.

Make sure not to bring neodymium magnets close to the TV, wallet, and computer HDD.

Strong magnetic fields emitted by neodymium magnets can destroy magnetic storage media such as floppy disks, credit cards, magnetic ID cards, cassette tapes, video tapes, or other devices. In addition, they can damage televisions, VCRs, computer monitors, and CRT displays. Avoid placing neodymium magnets in close proximity to electronic devices.

Neodymium magnets can attract to each other due to their immense internal force, causing the skin and other body parts to get pinched and resulting in significant swellings.

If joining of neodymium magnets is not under control, then they may crumble and crack. Remember not to move them to each other or hold them firmly in hands at a distance less than 10 cm.

The magnet coating contains nickel, so be cautious 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, you can try wearing gloves or simply avoid direct contact with nickel-plated neodymium magnets.

Dust and powder from neodymium magnets are highly flammable.

Avoid drilling or mechanical processing of neodymium magnets. Once crushed into fine powder or dust, this material becomes highly flammable.

Magnets made of neodymium are especially fragile, resulting in their breakage.

Magnets made of neodymium are highly delicate, and by joining them in an uncontrolled manner, they will crack. Neodymium magnetic are made of metal and coated with a shiny nickel, but they are not as durable as steel. At the moment of collision between the magnets, small metal fragments can be dispersed in different directions.

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

Remember that neodymium magnets are not toys. Do not allow children to play with them. They can be a significant choking hazard. If multiple magnets are swallowed, they can attract to each other through the intestinal walls, causing significant injuries, and even death.

Be careful!

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

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tel: +48 888 99 98 98