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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

5.29 with VAT / pcs + price for transport

4.30 ZŁ net + 23% VAT / pcs

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Detailed specification - 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 assembly - report

The following values are the outcome of a mathematical calculation. Results were calculated on models for the material Nd2Fe14B. Operational parameters may deviate from the simulation results. Use these calculations as a supplementary guide when designing systems.

Table 1: Static pull force (force vs gap) - 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 pounds
3840.0 g / 37.7 N
warning
1 mm 4423 Gs
442.3 mT
2.58 kg / 5.69 pounds
2580.1 g / 25.3 N
warning
2 mm 3516 Gs
351.6 mT
1.63 kg / 3.60 pounds
1631.0 g / 16.0 N
low risk
3 mm 2751 Gs
275.1 mT
1.00 kg / 2.20 pounds
998.0 g / 9.8 N
low risk
5 mm 1671 Gs
167.1 mT
0.37 kg / 0.81 pounds
368.5 g / 3.6 N
low risk
10 mm 562 Gs
56.2 mT
0.04 kg / 0.09 pounds
41.7 g / 0.4 N
low risk
15 mm 244 Gs
24.4 mT
0.01 kg / 0.02 pounds
7.8 g / 0.1 N
low risk
20 mm 126 Gs
12.6 mT
0.00 kg / 0.00 pounds
2.1 g / 0.0 N
low risk
30 mm 46 Gs
4.6 mT
0.00 kg / 0.00 pounds
0.3 g / 0.0 N
low risk
50 mm 12 Gs
1.2 mT
0.00 kg / 0.00 pounds
0.0 g / 0.0 N
low risk

Table 2: Vertical force (wall)
MPL 10x10x10 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 0.77 kg / 1.69 pounds
768.0 g / 7.5 N
1 mm Stal (~0.2) 0.52 kg / 1.14 pounds
516.0 g / 5.1 N
2 mm Stal (~0.2) 0.33 kg / 0.72 pounds
326.0 g / 3.2 N
3 mm Stal (~0.2) 0.20 kg / 0.44 pounds
200.0 g / 2.0 N
5 mm Stal (~0.2) 0.07 kg / 0.16 pounds
74.0 g / 0.7 N
10 mm Stal (~0.2) 0.01 kg / 0.02 pounds
8.0 g / 0.1 N
15 mm Stal (~0.2) 0.00 kg / 0.00 pounds
2.0 g / 0.0 N
20 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
30 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N
50 mm Stal (~0.2) 0.00 kg / 0.00 pounds
0.0 g / 0.0 N

Table 3: Vertical assembly (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 pounds
1152.0 g / 11.3 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
0.77 kg / 1.69 pounds
768.0 g / 7.5 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
0.38 kg / 0.85 pounds
384.0 g / 3.8 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
1.92 kg / 4.23 pounds
1920.0 g / 18.8 N

Table 4: Steel thickness (substrate influence) - sheet metal selection
MPL 10x10x10 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
10%
0.38 kg / 0.85 pounds
384.0 g / 3.8 N
1 mm
25%
0.96 kg / 2.12 pounds
960.0 g / 9.4 N
2 mm
50%
1.92 kg / 4.23 pounds
1920.0 g / 18.8 N
3 mm
75%
2.88 kg / 6.35 pounds
2880.0 g / 28.3 N
5 mm
100%
3.84 kg / 8.47 pounds
3840.0 g / 37.7 N
10 mm
100%
3.84 kg / 8.47 pounds
3840.0 g / 37.7 N
11 mm
100%
3.84 kg / 8.47 pounds
3840.0 g / 37.7 N
12 mm
100%
3.84 kg / 8.47 pounds
3840.0 g / 37.7 N

Table 5: Working in heat (stability) - thermal limit
MPL 10x10x10 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 3.84 kg / 8.47 pounds
3840.0 g / 37.7 N
OK
40 °C -2.2% 3.76 kg / 8.28 pounds
3755.5 g / 36.8 N
OK
60 °C -4.4% 3.67 kg / 8.09 pounds
3671.0 g / 36.0 N
OK
80 °C -6.6% 3.59 kg / 7.91 pounds
3586.6 g / 35.2 N
100 °C -28.8% 2.73 kg / 6.03 pounds
2734.1 g / 26.8 N

Table 6: Two magnets (repulsion) - forces in the system
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 pounds
5 957 Gs
2.69 kg / 5.93 pounds
2692 g / 26.4 N
N/A
1 mm 14.86 kg / 32.77 pounds
9 821 Gs
2.23 kg / 4.92 pounds
2230 g / 21.9 N
13.38 kg / 29.49 pounds
~0 Gs
2 mm 12.06 kg / 26.58 pounds
8 845 Gs
1.81 kg / 3.99 pounds
1809 g / 17.7 N
10.85 kg / 23.93 pounds
~0 Gs
3 mm 9.64 kg / 21.26 pounds
7 909 Gs
1.45 kg / 3.19 pounds
1446 g / 14.2 N
8.68 kg / 19.13 pounds
~0 Gs
5 mm 5.98 kg / 13.18 pounds
6 228 Gs
0.90 kg / 1.98 pounds
897 g / 8.8 N
5.38 kg / 11.86 pounds
~0 Gs
10 mm 1.72 kg / 3.80 pounds
3 343 Gs
0.26 kg / 0.57 pounds
258 g / 2.5 N
1.55 kg / 3.42 pounds
~0 Gs
20 mm 0.20 kg / 0.43 pounds
1 125 Gs
0.03 kg / 0.06 pounds
29 g / 0.3 N
0.18 kg / 0.39 pounds
~0 Gs
50 mm 0.00 kg / 0.01 pounds
146 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
60 mm 0.00 kg / 0.00 pounds
92 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
70 mm 0.00 kg / 0.00 pounds
62 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
80 mm 0.00 kg / 0.00 pounds
43 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
90 mm 0.00 kg / 0.00 pounds
32 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs
100 mm 0.00 kg / 0.00 pounds
24 Gs
0.00 kg / 0.00 pounds
0 g / 0.0 N
0.00 kg / 0.00 pounds
~0 Gs

Table 7: Safety (HSE) (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
Timepiece 20 Gs (2.0 mT) 4.5 cm
Phone / Smartphone 40 Gs (4.0 mT) 3.5 cm
Remote 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

Table 8: Collisions (cracking risk) - 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

Table 9: Coating parameters (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)

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

Parameter Value SI Unit / Description
Magnetic Flux 5 504 Mx 55.0 µWb
Pc Coefficient 0.84 High (Stable)

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%
Rust risk: This magnet has a standard nickel coating. After use in water, it must be dried and maintained immediately, otherwise it will rust!
1. Wall mount (shear)

*Warning: On a vertical wall, the magnet holds merely ~20% of its perpendicular strength.

2. Steel thickness impact

*Thin steel (e.g. computer case) significantly 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

The chart above illustrates the magnetic characteristics of the material within the second quadrant of the hysteresis loop. 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 specification and ecology
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
Magnet Unit Converter
Magnet pull force

Magnetic Field

Other deals

Model MPL 10x10x10 / N38 features a low profile and professional pulling force, making it an ideal solution for building separators and machines. As a block magnet with high power (approx. 3.84 kg), this product is available immediately from our warehouse in Poland. Furthermore, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, giving it an aesthetic appearance.
Separating strong flat magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. 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.
Plate magnets MPL 10x10x10 / N38 are the foundation for many industrial devices, such as magnetic separators 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.
Cyanoacrylate glues (super glue type) are good only for small magnets; for larger plates, we recommend resins. For lighter applications or mounting on smooth surfaces, branded foam tape (e.g., 3M VHB) will work, provided the surface is perfectly degreased. Avoid chemically aggressive glues or hot glue, which can demagnetize neodymium (above 80°C).
Standardly, the MPL 10x10x10 / N38 model is magnetized axially (dimension 10 mm), which means that the N and S poles are located on its largest, flat surfaces. Thanks to this, it works best when "sticking" to sheet metal or another magnet with a large surface area. Such a pole arrangement ensures maximum holding capacity when pressing against the sheet, creating a closed magnetic circuit.
This model is characterized by dimensions 10x10x10 mm, which, at a weight of 7.5 g, makes it an element with high energy density. The key parameter here is the lifting capacity amounting to approximately 3.84 kg (force ~37.71 N), which, with such a flat shape, proves the high grade of the material. The protective [NiCuNi] coating secures the magnet against corrosion.

Strengths and weaknesses of Nd2Fe14B magnets.

Pros

Besides their remarkable pulling force, neodymium magnets offer the following advantages:
  • They have unchanged lifting capacity, and over around ten years their attraction force decreases symbolically – ~1% (according to theory),
  • Neodymium magnets are distinguished by exceptionally resistant to demagnetization caused by magnetic disturbances,
  • In other words, due to the smooth surface of silver, the element is aesthetically pleasing,
  • The surface of neodymium magnets generates a intense magnetic field – this is a key feature,
  • Thanks to resistance to high temperature, they are able to function (depending on the shape) even at temperatures up to 230°C and higher...
  • Considering the option of flexible forming and adaptation to specialized projects, neodymium magnets can be manufactured in a broad palette of geometric configurations, which increases their versatility,
  • Universal use in modern industrial fields – they are commonly used in HDD drives, drive modules, medical equipment, also other advanced devices.
  • Thanks to concentrated force, small magnets offer high operating force, in miniature format,

Cons

Cons of neodymium magnets: weaknesses and usage proposals
  • At very strong impacts they can break, therefore we advise placing them in strong housings. A metal housing provides additional protection against damage and increases the magnet's durability.
  • We warn that neodymium magnets can reduce their power at high temperatures. To prevent this, we suggest our specialized [AH] magnets, which work effectively even at 230°C.
  • They oxidize in a humid environment. For use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
  • We recommend casing - magnetic mechanism, due to difficulties in realizing nuts inside the magnet and complex forms.
  • Health risk related to microscopic parts of magnets pose a threat, if swallowed, which is particularly important in the context of child health protection. Additionally, small elements of these devices can be problematic in diagnostics medical in case of swallowing.
  • Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Lifting parameters

Maximum lifting force for a neodymium magnet – what affects it?

Breakaway force was determined for ideal contact conditions, taking into account:
  • on a plate made of structural steel, perfectly concentrating the magnetic field
  • possessing a thickness of min. 10 mm to ensure full flux closure
  • with a plane free of scratches
  • with zero gap (no impurities)
  • during pulling in a direction perpendicular to the plane
  • at standard ambient temperature

What influences lifting capacity in practice

During everyday use, the actual lifting capacity results from several key aspects, presented from the most important:
  • Space between surfaces – even a fraction of a millimeter of separation (caused e.g. by varnish or unevenness) significantly weakens the pulling force, often by half at just 0.5 mm.
  • Loading method – catalog parameter refers to pulling vertically. When slipping, the magnet exhibits significantly lower power (typically approx. 20-30% of maximum force).
  • Element thickness – to utilize 100% power, the steel must be sufficiently thick. Thin sheet limits the attraction force (the magnet "punches through" it).
  • Plate material – low-carbon steel attracts best. Higher carbon content decrease magnetic properties and holding force.
  • Surface condition – ground elements ensure maximum contact, which improves force. Rough surfaces weaken the grip.
  • Thermal environment – heating the magnet causes a temporary drop of induction. Check the thermal limit for a given model.

Lifting capacity testing was performed on plates with a smooth surface of optimal thickness, under a perpendicular pulling force, however under parallel forces the lifting capacity is smaller. Moreover, even a slight gap between the magnet and the plate reduces the lifting capacity.

Precautions when working with NdFeB magnets
Keep away from computers

Intense magnetic fields can destroy records on payment cards, hard drives, and other magnetic media. Stay away of min. 10 cm.

Allergic reactions

Certain individuals suffer from a contact allergy to nickel, which is the common plating for NdFeB magnets. Extended handling can result in skin redness. It is best to wear safety gloves.

Medical implants

Patients with a heart stimulator must keep an large gap from magnets. The magnetic field can interfere with the operation of the implant.

Crushing force

Large magnets can smash fingers in a fraction of a second. Do not put your hand between two strong magnets.

Respect the power

Handle magnets consciously. Their powerful strength can shock even experienced users. Stay alert and do not underestimate their power.

Combustion hazard

Powder created during cutting of magnets is self-igniting. Avoid drilling into magnets without proper cooling and knowledge.

Material brittleness

Despite the nickel coating, neodymium is delicate and not impact-resistant. Do not hit, as the magnet may crumble into hazardous fragments.

GPS Danger

Remember: neodymium magnets generate a field that interferes with sensitive sensors. Keep a separation from your phone, tablet, and GPS.

Heat sensitivity

Watch the temperature. Exposing the magnet above 80 degrees Celsius will permanently weaken its properties and pulling force.

Keep away from children

Absolutely keep magnets out of reach of children. Risk of swallowing is significant, and the effects of magnets connecting inside the body are tragic.

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