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MPL 10x10x10 / N38 - lamellar magnet

lamellar magnet

Catalog no 020110

GTIN/EAN: 5906301811169

5.00

length

10 mm [±0,1 mm]

Width

10 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

7.5 g

Magnetization Direction

↑ axial

Load capacity

3.84 kg / 37.71 N

Magnetic Induction

539.91 mT / 5399 Gs

Coating

[NiCuNi] Nickel

view technical specifications »

5.29 ZŁ with VAT / pcs + price for transport

4.30 ZŁ net + 23% VAT / pcs

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Parameters as well as shape of a neodymium magnet can be estimated on our force calculator.

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Product card - MPL 10x10x10 / N38 - lamellar magnet

Specification / characteristics - MPL 10x10x10 / N38 - lamellar magnet

properties
properties values
Cat. no. 020110
GTIN/EAN 5906301811169
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 10 mm [±0,1 mm]
Width 10 mm [±0,1 mm]
Height 10 mm [±0,1 mm]
Weight 7.5 g
Magnetization Direction ↑ axial
Load capacity ~ ? 3.84 kg / 37.71 N
Magnetic Induction ~ ? 539.91 mT / 5399 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 10x10x10 / 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 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 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

Engineering modeling of the product - data

Presented values constitute the direct effect of a engineering calculation. Values were calculated on models for the class Nd2Fe14B. Operational performance might slightly differ. Treat these calculations as a reference point for designers.

Table 1: Static pull force (force vs distance) - interaction chart
MPL 10x10x10 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 5395 Gs
539.5 mT
 3.84 kg / 8.47 lbs
3840.0 g / 37.7 N
 strong
1 mm 4423 Gs
442.3 mT
 2.58 kg / 5.69 lbs
2580.1 g / 25.3 N
 strong
2 mm 3516 Gs
351.6 mT
 1.63 kg / 3.60 lbs
1631.0 g / 16.0 N
 weak grip
3 mm 2751 Gs
275.1 mT
 1.00 kg / 2.20 lbs
998.0 g / 9.8 N
 weak grip
5 mm 1671 Gs
167.1 mT
 0.37 kg / 0.81 lbs
368.5 g / 3.6 N
 weak grip
10 mm 562 Gs
56.2 mT
 0.04 kg / 0.09 lbs
41.7 g / 0.4 N
 weak grip
15 mm 244 Gs
24.4 mT
 0.01 kg / 0.02 lbs
7.8 g / 0.1 N
 weak grip
20 mm 126 Gs
12.6 mT
 0.00 kg / 0.00 lbs
2.1 g / 0.0 N
 weak grip
30 mm 46 Gs
4.6 mT
 0.00 kg / 0.00 lbs
0.3 g / 0.0 N
 weak grip
50 mm 12 Gs
1.2 mT
 0.00 kg / 0.00 lbs
0.0 g / 0.0 N
 weak grip
Pulling power weakens drastically with every subsequent millimeter of spacing. Keep in mind that even a microscopic distance (e.g., contamination, paint, dust) noticeably diminishes the holding power. Magnetic products operate strongest during direct contact; distance kills the power. Analyze how quickly the pull force drop, when the product does not touch tightly to the steel surface. When designing the assembly, eliminate redundant distances.

Table 2: Shear load (wall)
MPL 10x10x10 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.77 kg / 1.69 lbs
768.0 g / 7.5 N
1 mm Stal (~0.2) 0.52 kg / 1.14 lbs
516.0 g / 5.1 N
2 mm Stal (~0.2) 0.33 kg / 0.72 lbs
326.0 g / 3.2 N
3 mm Stal (~0.2) 0.20 kg / 0.44 lbs
200.0 g / 2.0 N
5 mm Stal (~0.2) 0.07 kg / 0.16 lbs
74.0 g / 0.7 N
10 mm Stal (~0.2) 0.01 kg / 0.02 lbs
8.0 g / 0.1 N
15 mm Stal (~0.2) 0.00 kg / 0.00 lbs
2.0 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 following data indicates the approximate weight limit necessary to initiate the sliding of the magnet downwards against a upright steel wall (assuming standard friction). This value is relative to the air gap between the magnet and the metal.

Table 3: Wall mounting (shearing) - behavior on slippery surfaces
MPL 10x10x10 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
1.15 kg / 2.54 lbs
1152.0 g / 11.3 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.77 kg / 1.69 lbs
768.0 g / 7.5 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.38 kg / 0.85 lbs
384.0 g / 3.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
1.92 kg / 4.23 lbs
1920.0 g / 18.8 N
When mounting a holder on a vertical wall (e.g., a board), it you can count on just about 1/5 of its maximum pull force. Gravitational force and a weak degree of grip cause that products slide down easier than they detach. Designing a wall mount? Remember that the shear force is noticeably lower than the perpendicular breakaway force. On a painted metal, the element will slip down under a significantly smaller cargo. Utilizing a rubberized coating can significantly improve the result.

Table 4: Material efficiency (substrate influence) - power losses
MPL 10x10x10 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
 0.38 kg / 0.85 lbs
384.0 g / 3.8 N
1 mm
25%
 0.96 kg / 2.12 lbs
960.0 g / 9.4 N
2 mm
50%
 1.92 kg / 4.23 lbs
1920.0 g / 18.8 N
3 mm
75%
 2.88 kg / 6.35 lbs
2880.0 g / 28.3 N
5 mm
100%
 3.84 kg / 8.47 lbs
3840.0 g / 37.7 N
10 mm
100%
 3.84 kg / 8.47 lbs
3840.0 g / 37.7 N
11 mm
100%
 3.84 kg / 8.47 lbs
3840.0 g / 37.7 N
12 mm
100%
 3.84 kg / 8.47 lbs
3840.0 g / 37.7 N
A thin sheet is incapable of absorb the full magnetic flux, which weakens actual performance of the magnet. If you attach a powerful product to a weak sheet, the magnetism will pass right through and the holding will be smaller. To utilize the maximum of this neodymium's power, you need a suitably thick element of steel. The saturation effect causes that on delicate walls (e.g., car bodies), the holder works worse. We advise picking the steel thickness from these parameters.

Table 5: Thermal stability (material behavior) - power drop
MPL 10x10x10 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 3.84 kg / 8.47 lbs
3840.0 g / 37.7 N
 OK
40 °C -2.2% 3.76 kg / 8.28 lbs
3755.5 g / 36.8 N
 OK
60 °C -4.4% 3.67 kg / 8.09 lbs
3671.0 g / 36.0 N
 OK
80 °C -6.6% 3.59 kg / 7.91 lbs
3586.6 g / 35.2 N
100 °C -28.8% 2.73 kg / 6.03 lbs
2734.1 g / 26.8 N
Classic neodymiums change their properties power past the thermal threshold. Protect against heat – excessive heat can permanently damage this product. As the temperature rises, the neodymium's force momentarily lowers. Do not use this magnet close to heaters exceeding its working range. Ignoring the limit will cause permanent loss of magnetism.
*Technical advisory: Temperature resistance depends not only on the material grade, but also on the magnet's shape. Flat magnets (low Pc) risk losing magnetic properties under lower heat stress compared to rod magnets. Red status in the table points to permanent field degradation for this particular item.

Table 6: Magnet-Magnet interaction (attraction) - field range
MPL 10x10x10 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Strength (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 17.95 kg / 39.56 lbs
5 957 Gs
2.69 kg / 5.93 lbs
2692 g / 26.4 N
 N/A
1 mm 14.86 kg / 32.77 lbs
9 821 Gs
2.23 kg / 4.92 lbs
2230 g / 21.9 N
 13.38 kg / 29.49 lbs
~0 Gs
2 mm 12.06 kg / 26.58 lbs
8 845 Gs
1.81 kg / 3.99 lbs
1809 g / 17.7 N
 10.85 kg / 23.93 lbs
~0 Gs
3 mm 9.64 kg / 21.26 lbs
7 909 Gs
1.45 kg / 3.19 lbs
1446 g / 14.2 N
 8.68 kg / 19.13 lbs
~0 Gs
5 mm 5.98 kg / 13.18 lbs
6 228 Gs
0.90 kg / 1.98 lbs
897 g / 8.8 N
 5.38 kg / 11.86 lbs
~0 Gs
10 mm 1.72 kg / 3.80 lbs
3 343 Gs
0.26 kg / 0.57 lbs
258 g / 2.5 N
 1.55 kg / 3.42 lbs
~0 Gs
20 mm 0.20 kg / 0.43 lbs
1 125 Gs
0.03 kg / 0.06 lbs
29 g / 0.3 N
 0.18 kg / 0.39 lbs
~0 Gs
50 mm 0.00 kg / 0.01 lbs
146 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
92 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
62 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
43 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
32 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
24 Gs
0.00 kg / 0.00 lbs
0 g / 0.0 N
 0.00 kg / 0.00 lbs
~0 Gs
Two magnets interact from a wider radius than a magnet and steel combination. The setup of magnet-to-magnet creates a more powerful interaction and a larger range of action. Designing a powerful holder? Use a pair of magnets instead of a neodymium and a steel. Exercise caution that when connecting a pair of magnets, the pinch force is huge. The levitation is marginally weaker than the attraction, but still large.
*Flux density in repulsion mode reaches ~0 Gs in the exact middle between the magnets (caused by magnetic field nullification).
Attention: Results demonstrate sliding force of dual identical neodymium magnets (friction ~0.15 for Ni-Ni plating).

Table 7: Protective zones (implants) - warnings
MPL 10x10x10 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 7.0 cm
Hearing aid 10 Gs (1.0 mT) 5.5 cm
Mechanical watch 20 Gs (2.0 mT) 4.5 cm
Phone / Smartphone 40 Gs (4.0 mT) 3.5 cm
Car key 50 Gs (5.0 mT) 3.0 cm
Payment card 400 Gs (40.0 mT) 1.5 cm
HDD hard drive 600 Gs (60.0 mT) 1.0 cm
Extremely neodym field poses a serious hazard to electronics and medical implants. These magnets produce a field that disrupts operation of digital equipment. Remember: the invisible magnetic field acts through matter and housings. Special caution must be taken by people with cochlear implants and drug dispensers. The risk also applies to: automatic timepieces, car keys, membranes, and screens. Do not bring the product near payment cards, HDD media, or precise measuring instruments.

Table 8: Impact energy (kinetic energy) - warning
MPL 10x10x10 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 22.97 km/h
(6.38 m/s)
 0.15 J
30 mm 39.53 km/h
(10.98 m/s)
 0.45 J
50 mm 51.03 km/h
(14.17 m/s)
 0.75 J
100 mm 72.16 km/h
(20.05 m/s)
 1.51 J
Neodymium magnets are very brittle – a violent impact against metal can result in shattering. Watch the impact speed – a neodymium left loose becomes dangerous. Kinetic force can cause material chips or injury to skin. Always hold the magnet during bringing near metal so it doesn't slam with momentum against the metal. A contact at a velocity of dozens of km/h means shattering of the neodymium. Use safety goggles when playing with large magnets.

Table 9: Anti-corrosion coating durability
MPL 10x10x10 / 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)
For outdoor applications, an epoxy coating is required; standard nickel is intended for indoor use. Note the thickness of the protective layer.

Table 10: Construction data (Flux)
MPL 10x10x10 / N38

Parameter Value SI Unit / Description
Magnetic Flux 5 504 Mx 55.0 µWb
Pc Coefficient 0.84 High (Stable)
Flux value passing through the magnet pole. Essential parameter when building generators as well as sensors. The Pc coefficient defines the working geometry.

Table 11: Physics of underwater searching
MPL 10x10x10 / N38

Environment Effective steel pull Effect
Air (land) 3.84 kg Standard
Water (riverbed) 4.40 kg
(+0.56 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.
In water, the magnet feels stronger thanks to Archimedes' principle. As a result, your magnet will pull a heavier object from the bottom than if you lifted it in the air.
1. Shear force

*Caution: On a vertical surface, the magnet retains only a fraction of its nominal pull.

2. Steel saturation

*Thin steel (e.g. computer case) severely limits the holding force.

3. Heat tolerance

*For N38 grade, the critical limit is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.84

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%
Environmental data
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: 020110-2026
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This product is an extremely strong plate magnet made of NdFeB material, which, with dimensions of 10x10x10 mm and a weight of 7.5 g, guarantees premium class connection. This magnetic block with a force of 37.71 N is ready for shipment in 24h, allowing for rapid realization of your project. The durable anti-corrosion layer ensures a long lifespan in a dry environment, protecting the core from oxidation.
The key to success is sliding 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. Watch your fingers! Magnets with a force of 3.84 kg can pinch very hard and cause hematomas. Using a screwdriver risks destroying the coating and permanently cracking the magnet.
They constitute a key element in the production of generators and material handling systems. Thanks to the flat surface and high force (approx. 3.84 kg), they are ideal as hidden locks in furniture making and mounting elements in automation. Customers often choose this model for workshop organization on strips and for advanced DIY and modeling projects, where precision and power count.
Cyanoacrylate glues (super glue type) are good only for small magnets; for larger plates, we recommend resins. Double-sided tape cushions vibrations, which is an advantage when mounting in moving elements. Remember to roughen and wash the magnet surface before gluing, which significantly increases the adhesion of the glue to the nickel coating.
Standardly, the MPL 10x10x10 / N38 model is magnetized through the thickness (dimension 10 mm), which means that the N and S poles are located on its largest, flat surfaces. In practice, this means that this magnet has the greatest attraction force on its main planes (10x10 mm), which is ideal for flat mounting. Such a pole arrangement ensures maximum holding capacity when pressing against the sheet, creating a closed magnetic circuit.
The presented product is a neodymium magnet with precisely defined parameters: 10 mm (length), 10 mm (width), and 10 mm (thickness). The key parameter here is the lifting capacity amounting to approximately 3.84 kg (force ~37.71 N), which, with such a compact shape, proves the high power of the material. The product meets the standards for N38 grade magnets.

Pros as well as cons of Nd2Fe14B magnets.

Pros

Besides their magnetic performance, neodymium magnets are valued for these benefits:
  • They have stable power, and over around ten years their attraction force decreases symbolically – ~1% (according to theory),
  • They do not lose their magnetic properties even under strong external field,
  • Thanks to the shiny finish, the coating of nickel, gold, or silver-plated gives an elegant appearance,
  • Magnets are characterized by huge magnetic induction on the outer side,
  • Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
  • Thanks to flexibility in designing and the ability to customize to client solutions,
  • Wide application in modern technologies – they find application in hard drives, electric motors, medical devices, also other advanced devices.
  • Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications

Limitations

What to avoid - cons of neodymium magnets and ways of using them
  • To avoid cracks upon strong impacts, we recommend using special steel housings. Such a solution secures the magnet and simultaneously improves its durability.
  • Neodymium magnets lose force when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (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 very resistant to heat
  • Magnets exposed to a humid environment can rust. Therefore during using outdoors, we advise using water-impermeable magnets made of rubber, plastic or other material resistant to moisture
  • Limited ability of creating nuts in the magnet and complex shapes - preferred is casing - magnetic holder.
  • Potential hazard related to microscopic parts of magnets can be dangerous, in case of ingestion, which becomes key in the aspect of protecting the youngest. It is also worth noting that small components of these products are able to be problematic in diagnostics medical after entering the body.
  • Due to expensive raw materials, their price exceeds standard values,

Lifting parameters

Magnetic strength at its maximum – what it depends on?

Magnet power was determined for optimal configuration, taking into account:
  • with the contact of a yoke made of special test steel, guaranteeing full magnetic saturation
  • possessing a thickness of minimum 10 mm to avoid saturation
  • characterized by smoothness
  • without any clearance between the magnet and steel
  • under axial force vector (90-degree angle)
  • in stable room temperature

Impact of factors on magnetic holding capacity in practice

Effective lifting capacity impacted by working environment parameters, such as (from priority):
  • Space between surfaces – every millimeter of separation (caused e.g. by veneer or unevenness) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
  • Force direction – remember that the magnet holds strongest perpendicularly. Under shear forces, the holding force drops significantly, often to levels of 20-30% of the maximum value.
  • Metal thickness – the thinner the sheet, the weaker the hold. Magnetic flux penetrates through instead of converting into lifting capacity.
  • Material type – the best choice is high-permeability steel. Stainless steels may attract less.
  • Surface finish – ideal contact is obtained only on polished steel. Any scratches and bumps create air cushions, reducing force.
  • Temperature – heating the magnet causes a temporary drop of induction. It is worth remembering the thermal limit for a given model.

Lifting capacity testing was conducted on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, however under attempts to slide the magnet the holding force is lower. Moreover, even a slight gap between the magnet and the plate lowers the load capacity.

Precautions when working with neodymium magnets
Machining danger

Dust produced during grinding of magnets is flammable. Do not drill into magnets unless you are an expert.

Warning for heart patients

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

Demagnetization risk

Watch the temperature. Heating the magnet to high heat will permanently weaken its properties and strength.

Crushing force

Big blocks can break fingers in a fraction of a second. Do not place your hand between two strong magnets.

Magnet fragility

NdFeB magnets are sintered ceramics, meaning they are very brittle. Clashing of two magnets will cause them cracking into small pieces.

Nickel coating and allergies

Warning for allergy sufferers: The nickel-copper-nickel coating contains nickel. If skin irritation happens, immediately stop working with magnets and use protective gear.

Respect the power

Handle with care. Rare earth magnets act from a distance and connect with huge force, often faster than you can move away.

Magnetic interference

Note: neodymium magnets produce a field that confuses precision electronics. Maintain a safe distance from your mobile, tablet, and GPS.

This is not a toy

NdFeB magnets are not intended for children. Swallowing several magnets can lead to them attracting across intestines, which poses a direct threat to life and requires immediate surgery.

Safe distance

Data protection: Neodymium magnets can damage payment cards and delicate electronics (pacemakers, hearing aids, timepieces).

Security! Looking for details? Read our article: Are neodymium magnets dangerous?