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MPL 3x3x1 / N38 - lamellar magnet

lamellar magnet

Catalog no 020146

GTIN/EAN: 5906301811527

5.00
Load capacity 0.23 kg / 2.29 N Magnetic Induction 317.31 mT / 3173 Gs
length
3 mm [±0,1 mm]
Width
3 mm [±0,1 mm]
Height
1 mm [±0,1 mm]
Weight
0.07 g
Magnetization Direction
↑ axial
Coating
[NiCuNi] Nickel

How we measure these parameters — certificates and measurements

view parameters »

0.1500 zł net / pcs

0.1845 zł with VAT (23% VAT) / pcs

price for transport

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price from 10000 pcs
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Frequently asked questions

How much will a block magnet really hold?
The catalogue force is measured in full contact with smooth steel at least 10 mm thick, pulled perpendicular, at about 20 °C. On 1 mm sheet about 50% of that value remains, on 0.5 mm about 25%. Mounted on a vertical wall the realistic figure is 20–30%, because the load is then in shear rather than in tension.
What is the maximum working temperature?
Standard N-series grades up to 80 °C, and N50, N52 and N54 up to 60 °C. Above the maximum working temperature the loss stops being reversible. The Curie temperature, at which magnetic properties are lost completely, is about 310 °C.
What safety factor should I allow?
At least twice the mass of the item, and three to five times for vertical mounting. The margin covers sheet thickness, surface condition, any layer of paint or rust, and vibration.

Guides from the knowledge base

Engineering report for this magnet

Full PDF analysis: pull and shear force, effect of distance, temperature and plate thickness, safety distances and the demagnetization curve.

PDF report Calculator
Want to talk magnets?

Call us now +48 888 99 98 98 alternatively let us know using contact form the contact section.
Specifications and structure of a neodymium magnet can be estimated using our power calculator.

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Technical specification of the product - MPL 3x3x1 / N38 - lamellar magnet

Specification / characteristics - MPL 3x3x1 / N38 - lamellar magnet

properties
properties values
Cat. no. 020146
GTIN/EAN 5906301811527
Production/Distribution Dhit sp. z o.o.
ul. Zielona 14 05-850 Ożarów Mazowiecki PL
Country of origin Poland / China / Germany
Customs code 85059029
length 3 mm [±0,1 mm]
Width 3 mm [±0,1 mm]
Height 1 mm [±0,1 mm]
Weight 0.07 g
Magnetization Direction ↑ axial
Load capacity ~ ? 0.23 kg / 2.29 N
Magnetic Induction ~ ? 317.31 mT / 3173 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 3x3x1 / N38 - lamellar magnet
properties values units
remenance Br [min. - max.] ? 12.2-12.6 kGs
remenance Br [min. - max.] ? 1220-1260 mT
coercivity bHc ? 10.8-11.5 kOe
coercivity bHc ? 860-915 kA/m
actual internal force iHc ≥ 12 kOe
actual internal force iHc ≥ 955 kA/m
energy density [min. - max.] ? 36-38 BH max MGOe
energy density [min. - max.] ? 287-303 BH max KJ/m
max. temperature ? ≤ 80 °C

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

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 310 °C
Curie Temperature TF 590 °F
Specific resistance 150 μΩ⋅cm
Bending strength 250 MPa
Compressive strength 1000~1100 MPa
Thermal expansion parallel (∥) to orientation (M) (3-4) x 10-6 °C-1
Thermal expansion perpendicular (⊥) to orientation (M) -(1-3) x 10-6 °C-1
Young's modulus 1.7 x 104 kg/mm²

Technical simulation of the magnet - data

These values are the direct effect of a physical simulation. Values rely on algorithms for the class Nd2Fe14B. Real-world parameters might slightly deviate from the simulation results. Use these calculations as a supplementary guide during assembly planning.

Table 1: Static force (pull vs distance) - characteristics
MPL 3x3x1 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 3168 Gs
316.8 mT
 0.23 kg / 0.51 lbs
230.0 g / 2.3 N
 safe
1 mm 1565 Gs
156.5 mT
 0.06 kg / 0.12 lbs
56.1 g / 0.6 N
 safe
2 mm 659 Gs
65.9 mT
 0.01 kg / 0.02 lbs
9.9 g / 0.1 N
 safe
3 mm 307 Gs
30.7 mT
 0.00 kg / 0.00 lbs
2.2 g / 0.0 N
 safe
5 mm 94 Gs
9.4 mT
 0.00 kg / 0.00 lbs
0.2 g / 0.0 N
 safe
10 mm 15 Gs
1.5 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 safe
15 mm 5 Gs
0.5 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 safe
20 mm 2 Gs
0.2 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 safe
30 mm 1 Gs
0.1 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 safe
50 mm 0 Gs
0.0 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 safe
Magnetic force weakens sharply with every subsequent millimeter of distance. Keep in mind that even the smallest gap (e.g., contamination, varnish, rust) strongly reduces the pull force. Magnets hold optimally during direct contact; air break kills the force. Observe how quickly the parameters drop, when the magnet does not touch tightly to the steel surface. When calculating the mounting, avoid additional spacers.

Table 2: Sliding capacity (wall)
MPL 3x3x1 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.05 kg / 0.10 lbs
46.0 g / 0.5 N
1 mm Stal (~0.2) 0.01 kg / 0.03 lbs
12.0 g / 0.1 N
2 mm Stal (~0.2) 0.00 kg / 0.00 lbs
2.0 g / 0.0 N
3 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
5 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
10 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
15 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
The table below indicates the theoretical force necessary to initiate the downward movement of the magnet downwards along a vertical metal surface (considering typical friction coefficient). This value is relative to the distance between the magnet and the surface.

Table 3: Vertical assembly (shearing) - vertical pull
MPL 3x3x1 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
0.07 kg / 0.15 lbs
69.0 g / 0.7 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.05 kg / 0.10 lbs
46.0 g / 0.5 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.02 kg / 0.05 lbs
23.0 g / 0.2 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
0.12 kg / 0.25 lbs
115.0 g / 1.1 N
When hanging a magnet on a vertical plane (e.g., a fridge), it will maintain only about 1/5 of its nominal power. Gravity and a low friction coefficient mean that holders slip faster than they pop off the substrate. Designing a wall mount? Remember that the sliding force is much weaker than the maximum static pull force. On a smooth steel, the magnet will slide down under a significantly smaller weight. Using a rubber layer can effectively improve the result.

Table 4: Steel thickness (saturation) - power losses
MPL 3x3x1 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.02 kg / 0.05 lbs
23.0 g / 0.2 N
1 mm
25%
 0.06 kg / 0.13 lbs
57.5 g / 0.6 N
2 mm
50%
 0.12 kg / 0.25 lbs
115.0 g / 1.1 N
3 mm
75%
 0.17 kg / 0.38 lbs
172.5 g / 1.7 N
5 mm
100%
 0.23 kg / 0.51 lbs
230.0 g / 2.3 N
10 mm
100%
 0.23 kg / 0.51 lbs
230.0 g / 2.3 N
11 mm
100%
 0.23 kg / 0.51 lbs
230.0 g / 2.3 N
12 mm
100%
 0.23 kg / 0.51 lbs
230.0 g / 2.3 N
A thin metal plate is incapable of conduct the entire magnetic field, which squanders power of the holder. If you install a neodymium to a thin surface, the magnetism will penetrate right through and the attraction force will be weaker. To utilize 100% of this neodymium's potential, you require a sufficiently solid backing of steel. The material oversaturation causes that on thin elements (e.g., appliance housings), the magnet holds weaker. We suggest choosing the steel thickness according to the table below.

Table 5: Thermal resistance (material behavior) - resistance threshold
MPL 3x3x1 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 0.23 kg / 0.51 lbs
230.0 g / 2.3 N
 OK
40 °C -2.2% 0.22 kg / 0.50 lbs
224.9 g / 2.2 N
 OK
60 °C -4.4% 0.22 kg / 0.48 lbs
219.9 g / 2.2 N
80 °C -6.6% 0.21 kg / 0.47 lbs
214.8 g / 2.1 N
100 °C -28.8% 0.16 kg / 0.36 lbs
163.8 g / 1.6 N
Classic neodymiums irreversibly lose power after exceeding the maximum temperature. Protect against heat – excessive heat can permanently damage this magnet. With increasing heat, the magnet's capacity momentarily drops. Refrain from using this magnet near heat sources exceeding its working range. Too high temperature will lead to irreversible degradation of magnetism.
*Engineering note: Temperature resistance is determined by both grade, but also on the magnet's shape. Thin magnets (low permeance coefficient) may lose charge permanently at lower temperatures than taller cylinders. The danger warning in the table indicates a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (attraction) - field range
MPL 3x3x1 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Lateral Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 0.56 kg / 1.23 lbs
4 719 Gs
0.08 kg / 0.18 lbs
84 g / 0.8 N
 N/A
1 mm 0.31 kg / 0.68 lbs
4 706 Gs
0.05 kg / 0.10 lbs
46 g / 0.5 N
 0.28 kg / 0.61 lbs
~0 Gs
2 mm 0.14 kg / 0.30 lbs
3 129 Gs
0.02 kg / 0.04 lbs
20 g / 0.2 N
 0.12 kg / 0.27 lbs
~0 Gs
3 mm 0.06 kg / 0.12 lbs
2 019 Gs
0.01 kg / 0.02 lbs
8 g / 0.1 N
 0.05 kg / 0.11 lbs
~0 Gs
5 mm 0.01 kg / 0.02 lbs
885 Gs
0.00 kg / 0.00 lbs
2 g / 0.0 N
 0.01 kg / 0.02 lbs
~0 Gs
10 mm 0.00 kg / 0.00 lbs
188 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
20 mm 0.00 kg / 0.00 lbs
30 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
50 mm 0.00 kg / 0.00 lbs
2 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
60 mm 0.00 kg / 0.00 lbs
1 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
70 mm 0.00 kg / 0.00 lbs
1 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
80 mm 0.00 kg / 0.00 lbs
1 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
90 mm 0.00 kg / 0.00 lbs
0 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
100 mm 0.00 kg / 0.00 lbs
0 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
Two magnetic products interact from a significantly greater distance than a neodymium and metal setup. Such a system of two magnets creates a more powerful interaction and a wider radius of operation. Planning to create a solid fastener? Apply two magnets instead of one magnet and a striker plate. Exercise caution that when attracting two neodymiums, the collision energy is extreme. The levitation is slightly lower than the connection force, but still large.
*The magnetic induction between like poles drops to ~0 Gs at the midpoint between the magnets (resulting from vector opposition).
* Figures apply to friction force of a pair of matching neodymium magnets (friction coefficient ~0.15 for Ni-Ni layer).

Table 7: Hazards (implants) - warnings
MPL 3x3x1 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 1.5 cm
Hearing aid 10 Gs (1.0 mT) 1.5 cm
Timepiece 20 Gs (2.0 mT) 1.0 cm
Mobile device 40 Gs (4.0 mT) 1.0 cm
Remote 50 Gs (5.0 mT) 1.0 cm
Payment card 400 Gs (40.0 mT) 0.5 cm
HDD hard drive 600 Gs (60.0 mT) 0.5 cm
A strong magnetic field is a serious hazard to electronic devices as well as pacemakers. These magnets generate a field that destroys function of sensitive medical devices. Notice: the unseen radiation acts through matter and housings. Increased vigilance must be taken by people with hearing aids and insulin pumps. The risk also applies to: mechanical watches, car keys, speakers, and screens. Do not place the magnet near cards, hard drives, or sensitive navigation tools.

Table 8: Impact energy (kinetic energy) - warning
MPL 3x3x1 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 24.65 km/h
(6.85 m/s)
 0.00 J
30 mm 24.65 km/h
(6.85 m/s)
 0.00 J
50 mm 24.62 km/h
(6.84 m/s)
 0.00 J
100 mm 24.65 km/h
(6.85 m/s)
 0.00 J
Neodymium magnets are very brittle – a collision with steel can result in shattering. Watch the impact speed – a magnet released freely becomes dangerous. Impact energy can cause material chips or dangerous crushing to fingers. Be sure to control the product during bringing near metal so it doesn't hit with great force against the metal. A contact at a velocity of dozens of km/h ends with a crack of the magnet. Wear eye protection when working with powerful specimens.

Table 9: Coating parameters (durability)
MPL 3x3x1 / N38

Technical parameter Value / Description
Coating type [NiCuNi] Nickel
Layer structure Nickel - Copper - Nickel
Layer thickness 10-20 µm
Salt spray test (SST) ? 24 h
Recommended environment Indoors only (dry)
Neodymium magnets are highly susceptible to corrosion without proper protection. Note the thickness of the protective layer.

Table 10: Electrical data (Flux)
MPL 3x3x1 / N38

Parameter Value SI Unit / Description
Magnetic Flux 306 Mx 3.1 µWb
Pc Coefficient 0.40 Low (Flat)
Flux value emitted by the pole surface. Key data in coil applications as well as sensors. The Pc coefficient defines the working geometry.

Table 11: Underwater work (magnet fishing)
MPL 3x3x1 / N38

Environment Effective steel pull Effect
Air (land) 0.23 kg Standard
Water (riverbed) 0.26 kg
(+0.03 kg buoyancy gain)
+14.5%
Corrosion warning: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
Contrary to myths, water does not block the magnetic field. However, remember the water resistance when pulling the rope quickly.

1. Sliding resistance

*Warning: On a vertical wall, the magnet retains merely approx. 20-30% of its max power.

2. Steel thickness impact

*Thin metal sheet (e.g. computer case) significantly reduces the holding force.

3. Thermal stability

*For N38 grade, the max working temp is 80°C.

4. Demagnetization curve and operating point (B-H)

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.40

This simulation demonstrates the magnetic stability of the selected magnet under specific geometric conditions. The solid red line represents the demagnetization curve (material potential), while the dashed blue line is the load line based on the magnet's geometry. The Pc (Permeance Coefficient), also known as the load line slope, is a dimensionless value that describes the relationship between the magnet's shape and its magnetic stability. The intersection of these two lines (the black dot) is the operating point — it determines the actual magnetic flux density generated by the magnet in this specific configuration. A higher Pc value means the magnet is more 'slender' (tall relative to its area), resulting in a higher operating point and better resistance to irreversible demagnetization caused by external fields or temperature. A value of 0.42 is relatively low (typical for flat magnets), meaning the operating point is closer to the 'knee' of the curve — caution is advised when operating at temperatures near the maximum limit to avoid strength loss.

Technical and environmental data

Material specification

iron (Fe) 64% – 68%
neodymium (Nd) 29% – 32%
boron (B) 1.1% – 1.2%
dysprosium (Dy) 0.5% – 2.0%
coating (Ni-Cu-Ni) < 0.05%

Ecology and recycling (GPSR)

recyclability (EoL) 100%
recycled raw materials ~10% (pre-cons)
carbon footprint low / zredukowany
waste code (EWC) 16 02 16
Safety card (GPSR)
responsible entity
Dhit sp. z o.o.
ul. Kościuszki 6A, 05-850 Ożarów Mazowiecki
tel: +48 22 499 98 98 | e-mail: bok@dhit.pl
batch number/type
id: 020146-2026
Quick Unit Converter

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Component MPL 3x3x1 / N38 features a flat shape and professional pulling force, making it an ideal solution for building separators and machines. This magnetic block with a force of 2.29 N is ready for shipment in 24h, allowing for rapid realization of your project. Furthermore, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, giving it an aesthetic appearance.
The key to success is shifting the magnets along their largest connection plane (using e.g., the edge of a table), which is easier than trying to tear them apart directly. To separate the MPL 3x3x1 / N38 model, firmly slide one magnet over the edge of the other until the attraction force decreases. We recommend care, because after separation, the magnets may want to violently snap back together, which threatens pinching the skin. Never use metal tools for prying, as the brittle NdFeB material may chip and damage your eyes.
Plate magnets MPL 3x3x1 / N38 are the foundation for many industrial devices, such as filters catching filings and linear motors. They work great as invisible mounts under tiles, wood, or glass. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.
For mounting flat magnets MPL 3x3x1 / N38, we recommend utilizing strong epoxy glues (e.g., UHU Endfest, Distal), which ensure a durable bond with metal or plastic. For lighter applications or mounting on smooth surfaces, branded foam tape (e.g., 3M VHB) will work, provided the surface is perfectly degreased. Remember to clean and degrease the magnet surface before gluing, which significantly increases the adhesion of the glue to the nickel coating.
The magnetic axis runs through the shortest dimension, which is typical for gripper magnets. In practice, this means that this magnet has the greatest attraction force on its main planes (3x3 mm), which is ideal for flat mounting. This is the most popular configuration for block magnets used in separators and holders.
This model is characterized by dimensions 3x3x1 mm, which, at a weight of 0.07 g, makes it an element with high energy density. It is a magnetic block with dimensions 3x3x1 mm and a self-weight of 0.07 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Strengths as well as weaknesses of rare earth magnets.

Strengths

Besides their immense magnetic power, neodymium magnets offer the following advantages:
  • They do not lose power, even during approximately ten years – the decrease in strength is only ~1% (based on measurements),
  • They retain their magnetic properties even under external field action,
  • By applying a shiny layer of silver, the element acquires an nice look,
  • The surface of neodymium magnets generates a strong magnetic field – this is a distinguishing feature,
  • Thanks to resistance to high temperature, they are capable of working (depending on the shape) even at temperatures up to 230°C and higher...
  • Thanks to modularity in constructing and the ability to modify to specific needs,
  • Huge importance in electronics industry – they are utilized in hard drives, electric drive systems, medical devices, and multitasking production systems.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in tiny dimensions, which makes them useful in miniature devices

Cons

Disadvantages of NdFeB magnets:
  • At strong impacts they can break, therefore we advise placing them in special holders. A metal housing provides additional protection against damage and increases the magnet's durability.
  • NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are extremely resistant to heat
  • They rust in a humid environment. For use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
  • We suggest a housing - magnetic mechanism, due to difficulties in creating threads inside the magnet and complex shapes.
  • Health risk resulting from small fragments of magnets pose a threat, when accidentally swallowed, which becomes key in the context of child health protection. Furthermore, small components of these devices can be problematic in diagnostics medical when they are in the body.
  • Due to expensive raw materials, their price is relatively high,

Pull force analysis

Breakaway strength of the magnet in ideal conditions – what it depends on?

Breakaway force was defined for optimal configuration, assuming:
  • using a sheet made of high-permeability steel, functioning as a magnetic yoke
  • possessing a thickness of minimum 10 mm to ensure full flux closure
  • with an polished contact surface
  • with direct contact (no impurities)
  • for force acting at a right angle (pull-off, not shear)
  • at temperature approx. 20 degrees Celsius

Lifting capacity in real conditions – factors

In real-world applications, the actual holding force depends on a number of factors, listed from crucial:
  • Gap between surfaces – every millimeter of distance (caused e.g. by veneer or dirt) significantly weakens the pulling force, often by half at just 0.5 mm.
  • Angle of force application – maximum parameter is reached only during pulling at a 90° angle. The force required to slide of the magnet along the surface is typically many times lower (approx. 1/5 of the lifting capacity).
  • Plate thickness – insufficiently thick sheet does not accept the full field, causing part of the power to be wasted to the other side.
  • Material type – ideal substrate is pure iron steel. Cast iron may attract less.
  • Surface quality – the smoother and more polished the surface, the better the adhesion and stronger the hold. Roughness creates an air distance.
  • Thermal environment – heating the magnet results in weakening of induction. Check the maximum operating temperature for a given model.

Holding force was tested on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, however under parallel forces the holding force is lower. In addition, even a small distance between the magnet and the plate lowers the load capacity.

Precautions when working with neodymium magnets
Nickel coating and allergies

It is widely known that the nickel plating (standard magnet coating) is a potent allergen. If you have an allergy, avoid direct skin contact or choose versions in plastic housing.

Magnetic interference

Remember: neodymium magnets produce a field that disrupts precision electronics. Maintain a separation from your mobile, tablet, and navigation systems.

Protective goggles

Neodymium magnets are ceramic materials, which means they are fragile like glass. Impact of two magnets will cause them shattering into shards.

Swallowing risk

NdFeB magnets are not intended for children. Accidental ingestion of multiple magnets may result in them connecting inside the digestive tract, which poses a direct threat to life and requires immediate surgery.

Pinching danger

Protect your hands. Two powerful magnets will join immediately with a force of several hundred kilograms, destroying everything in their path. Be careful!

Life threat

People with a pacemaker have to keep an safe separation from magnets. The magnetism can interfere with the functioning of the implant.

Mechanical processing

Mechanical processing of NdFeB material poses a fire hazard. Neodymium dust oxidizes rapidly with oxygen and is difficult to extinguish.

Safe distance

Very strong magnetic fields can destroy records on payment cards, hard drives, and other magnetic media. Maintain a gap of at least 10 cm.

Demagnetization risk

Control the heat. Exposing the magnet above 80 degrees Celsius will destroy its magnetic structure and pulling force.

Immense force

Before use, read the rules. Uncontrolled attraction can destroy the magnet or injure your hand. Think ahead.

Warning! More info about hazards in the article: Magnet Safety Guide.