e-mail: bok@dhit.pl

neodymium magnets

We offer red color magnets Nd2Fe14B - our offer. Practically all magnesy on our website are available for immediate delivery (see the list). See the magnet pricing for more details see the magnet price list

Magnets for water searching F200 GOLD

Where to purchase powerful magnet? Magnet holders in solid and airtight steel enclosure are excellent for use in variable and difficult weather, including snow and rain check

magnets with holders

Magnetic holders can be applied to enhance production, underwater discoveries, or finding space rocks made of ore check...

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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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Contact us by phone +48 22 499 98 98 if you prefer send us a note through contact form the contact page.
Parameters along with structure of a neodymium magnet can be estimated with our magnetic calculator.

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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
Manufacturing Tolerance
±1 mm

Magnetic properties of material

properties
values
units

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

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

These blocks practically teach geometry, physics, and creative thinking, allowing understanding of 3D structures. It enables constructing chemical and architectural models, making it a great teaching aid. It's creative entertainment for the whole family, connecting generations at a shared table.
The toy has the necessary certificates, but supervision of the youngest is key. The presence of small balls makes this product unsuitable for children under 3 years old. We warn against the risk of swallowing magnets and recommend playing under adult supervision.
Yes, the XMAG² system is fully compatible with Geomag blocks (classic 27mm series). Thanks to maintaining the dimensional standard, these blocks ideally complement existing collections. Thanks to this, you can mix sets, which gives even more fun.
The set contains structural elements (sticks) and connectors (balls) in the quantity specified in the specification. The sticks attract the balls, creating stable and movable connections. The ZM XMAG2 105 elementów set weighing 569 g ensures enough blocks to build interesting solids.
The key difference is magnet strength – we use strong neodymium magnets, not weak ferrite ones. We ensure structural stability by selecting the appropriate magnet power for the weight of the sticks. Moreover, we use safe, non-toxic plastic that does not crack during play., which makes the blocks last for years.

Strengths and weaknesses of rare earth magnets.

In addition to their magnetic capacity, neodymium magnets provide the following advantages:

  • They do not lose magnetism, even during approximately 10 years – the reduction in strength is only ~1% (according to tests),
  • Magnets perfectly defend themselves against loss of magnetization caused by ambient magnetic noise,
  • In other words, due to the aesthetic layer of gold, the element gains visual value,
  • Neodymium magnets deliver maximum magnetic induction on a their surface, which increases force concentration,
  • Thanks to resistance to high temperature, they are able to function (depending on the shape) even at temperatures up to 230°C and higher...
  • Thanks to versatility in forming and the capacity to modify to client solutions,
  • Significant place in high-tech industry – they are used in hard drives, brushless drives, advanced medical instruments, and industrial machines.
  • Thanks to their power density, small magnets offer high operating force, in miniature format,

Disadvantages of NdFeB magnets:

  • Brittleness is one of their disadvantages. Upon strong impact they can break. We recommend keeping them in a special holder, which not only protects them against impacts but also increases their durability
  • We warn that neodymium magnets can reduce their strength at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
  • Due to the susceptibility of magnets to corrosion in a humid environment, we advise using waterproof magnets made of rubber, plastic or other material resistant to moisture, in case of application outdoors
  • Due to limitations in producing nuts and complicated shapes in magnets, we propose using a housing - magnetic mount.
  • Potential hazard related to microscopic parts of magnets are risky, when accidentally swallowed, which becomes key in the context of child health protection. Additionally, tiny parts of these devices can complicate diagnosis medical after entering the body.
  • With large orders the cost of neodymium magnets is a challenge,

Maximum lifting force for a neodymium magnet – what it depends on?

The declared magnet strength concerns the peak performance, measured under optimal environment, specifically:

  • using a plate made of mild steel, acting as a circuit closing element
  • possessing a thickness of minimum 10 mm to ensure full flux closure
  • with an ground touching surface
  • under conditions of no distance (metal-to-metal)
  • during pulling in a direction vertical to the plane
  • at ambient temperature room level

Key elements affecting lifting force

Holding efficiency is affected by working environment parameters, such as (from most important):

  • Clearance – the presence of any layer (rust, tape, gap) interrupts the magnetic circuit, which lowers capacity rapidly (even by 50% at 0.5 mm).
  • Pull-off angle – remember that the magnet has greatest strength perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the nominal value.
  • Steel thickness – too thin plate causes magnetic saturation, causing part of the flux to be wasted into the air.
  • Plate material – low-carbon steel gives the best results. Alloy steels reduce magnetic permeability and lifting capacity.
  • Surface finish – ideal contact is possible only on polished steel. Any scratches and bumps reduce the real contact area, weakening the magnet.
  • Thermal factor – high temperature reduces pulling force. Too high temperature can permanently demagnetize the magnet.

* Lifting capacity was measured using a steel plate with a smooth surface of optimal thickness (min. 20 mm), under perpendicular detachment force, in contrast under attempts to slide the magnet the holding force is lower. Additionally, even a minimal clearance {between} the magnet’s surface and the plate reduces the holding force.

Warnings

Product not for children

Only for adults. Tiny parts can be swallowed, causing serious injuries. Keep out of reach of children and animals.

Compass and GPS

Be aware: rare earth magnets produce a field that disrupts precision electronics. Maintain a safe distance from your phone, tablet, and navigation systems.

Health Danger

For implant holders: Strong magnetic fields affect medical devices. Keep minimum 30 cm distance or ask another person to work with the magnets.

Fire warning

Powder generated during grinding of magnets is flammable. Avoid drilling into magnets without proper cooling and knowledge.

Allergic reactions

It is widely known that nickel (standard magnet coating) is a potent allergen. For allergy sufferers, prevent direct skin contact and select coated magnets.

Physical harm

Large magnets can smash fingers instantly. Under no circumstances put your hand between two attracting surfaces.

Demagnetization risk

Do not overheat. Neodymium magnets are susceptible to temperature. If you require resistance above 80°C, inquire about HT versions (H, SH, UH).

Fragile material

Despite metallic appearance, the material is delicate and cannot withstand shocks. Do not hit, as the magnet may crumble into sharp, dangerous pieces.

Keep away from computers

Do not bring magnets near a purse, computer, or screen. The magnetic field can permanently damage these devices and erase data from cards.

Handling guide

Handle with care. Rare earth magnets act from a distance and connect with massive power, often faster than you can react.

Caution!

More info about risks in the article: Safety of working with magnets.

Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98