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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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Physical properties - 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 simulation of the magnet - technical parameters

These information represent the direct effect of a mathematical simulation. Results are based on algorithms for the material Nd2Fe14B. Real-world conditions may deviate from the simulation results. Treat these calculations as a supplementary guide when designing systems.

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

Table 2: Vertical 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

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 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

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 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

Table 5: Thermal resistance (stability) - 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

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MPL 10x10x10 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Shear Force (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

Table 7: Safety (HSE) (implants) - precautionary measures
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 (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

Table 9: Surface protection spec
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 (Pc)
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%
Warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.
1. Vertical hold

*Note: On a vertical wall, the magnet retains merely a fraction of its max power.

2. Plate thickness effect

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

3. Power loss vs temp

*For N38 grade, the safety 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.

Engineering data and GPSR
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: 020110-2026
Measurement Calculator
Force (pull)

Field Strength

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Model MPL 10x10x10 / 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 37.71 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.
Separating block magnets requires a technique based on sliding (moving one relative to the other), rather than forceful pulling apart. To separate the MPL 10x10x10 / 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.
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 closers 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. Avoid chemically aggressive glues or hot glue, which can demagnetize neodymium (above 80°C).
The magnetic axis runs through the shortest dimension, which is typical for gripper magnets. 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 impressive energy density. The key parameter here is the holding force 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.

Advantages and disadvantages of rare earth magnets.

Benefits

Besides their tremendous field intensity, neodymium magnets offer the following advantages:
  • Their magnetic field is maintained, and after around ten years it drops only by ~1% (theoretically),
  • Neodymium magnets remain exceptionally resistant to loss of magnetic properties caused by external field sources,
  • By applying a lustrous coating of nickel, the element presents an elegant look,
  • They show high magnetic induction at the operating surface, which increases their power,
  • Thanks to resistance to high temperature, they are capable of working (depending on the form) even at temperatures up to 230°C and higher...
  • Possibility of precise modeling as well as adjusting to individual needs,
  • Fundamental importance in innovative solutions – they are commonly used in data components, electric motors, medical devices, and industrial machines.
  • Thanks to their power density, small magnets offer high operating force, occupying minimum space,

Weaknesses

Drawbacks and weaknesses of neodymium magnets and ways of using them
  • They are fragile upon too strong impacts. To avoid cracks, it is worth protecting magnets in special housings. Such protection not only protects the magnet but also improves its resistance to damage
  • Neodymium magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of power (a factor is the shape as well as 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
  • They rust in a humid environment. For use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
  • We suggest cover - magnetic mechanism, due to difficulties in producing threads inside the magnet and complicated forms.
  • Health risk to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which becomes key in the context of child health protection. It is also worth noting that small components of these devices are able to complicate diagnosis medical when they are in the body.
  • High unit price – neodymium magnets cost more than other types of magnets (e.g. ferrite), which hinders application in large quantities

Holding force characteristics

Best holding force of the magnet in ideal parameterswhat it depends on?

The force parameter is a result of laboratory testing performed under specific, ideal conditions:
  • on a plate made of mild steel, effectively closing the magnetic flux
  • whose transverse dimension is min. 10 mm
  • with an ground contact surface
  • with direct contact (without coatings)
  • during detachment in a direction vertical to the mounting surface
  • in neutral thermal conditions

Determinants of practical lifting force of a magnet

Please note that the working load may be lower influenced by elements below, in order of importance:
  • Distance – the presence of any layer (rust, tape, gap) interrupts the magnetic circuit, which reduces power rapidly (even by 50% at 0.5 mm).
  • Loading method – declared lifting capacity refers to pulling vertically. When attempting to slide, the magnet exhibits much less (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).
  • Steel type – low-carbon steel attracts best. Higher carbon content lower magnetic properties and holding force.
  • Surface structure – the more even the plate, the larger the contact zone and higher the lifting capacity. Roughness acts like micro-gaps.
  • Thermal environment – heating the magnet results in weakening of force. Check the thermal limit for a given model.

Lifting capacity was measured by applying a polished steel plate of optimal thickness (min. 20 mm), under perpendicular detachment force, however under shearing force the lifting capacity is smaller. Additionally, even a minimal clearance between the magnet and the plate lowers the lifting capacity.

Safe handling of neodymium magnets
Handling guide

Before use, read the rules. Sudden snapping can break the magnet or injure your hand. Be predictive.

Fire risk

Fire hazard: Neodymium dust is highly flammable. Do not process magnets without safety gear as this risks ignition.

Nickel allergy

Allergy Notice: The nickel-copper-nickel coating consists of nickel. If skin irritation appears, immediately stop working with magnets and wear gloves.

Impact on smartphones

A strong magnetic field negatively affects the operation of magnetometers in smartphones and navigation systems. Do not bring magnets near a device to avoid breaking the sensors.

Bone fractures

Mind your fingers. Two large magnets will join immediately with a force of several hundred kilograms, destroying anything in their path. Be careful!

Danger to pacemakers

Warning for patients: Powerful magnets affect medical devices. Maintain minimum 30 cm distance or ask another person to handle the magnets.

Data carriers

Very strong magnetic fields can destroy records on credit cards, HDDs, and storage devices. Keep a distance of min. 10 cm.

Danger to the youngest

Absolutely store magnets out of reach of children. Choking hazard is significant, and the effects of magnets connecting inside the body are very dangerous.

Magnets are brittle

Despite the nickel coating, the material is brittle and cannot withstand shocks. Do not hit, as the magnet may crumble into sharp, dangerous pieces.

Permanent damage

Monitor thermal conditions. Exposing the magnet above 80 degrees Celsius will permanently weaken its properties and strength.

Attention! Need more info? Read our article: Are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98