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MPL 35x35x10 / N38 - lamellar magnet

lamellar magnet

Catalog no 020144

GTIN/EAN: 5906301811503

length

35 mm [±0,1 mm]

Width

35 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

91.88 g

Magnetization Direction

↑ axial

Load capacity

26.88 kg / 263.71 N

Magnetic Induction

282.90 mT / 2829 Gs

Coating

[NiCuNi] Nickel

35.10 with VAT / pcs + price for transport

28.54 ZŁ net + 23% VAT / pcs

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Technical specification - MPL 35x35x10 / N38 - lamellar magnet

Specification / characteristics - MPL 35x35x10 / N38 - lamellar magnet

properties
properties values
Cat. no. 020144
GTIN/EAN 5906301811503
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 35 mm [±0,1 mm]
Width 35 mm [±0,1 mm]
Height 10 mm [±0,1 mm]
Weight 91.88 g
Magnetization Direction ↑ axial
Load capacity ~ ? 26.88 kg / 263.71 N
Magnetic Induction ~ ? 282.90 mT / 2829 Gs
Coating [NiCuNi] Nickel
Manufacturing Tolerance ±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 35x35x10 / 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

Physical modeling of the magnet - technical parameters

Presented data constitute the result of a mathematical analysis. Values rely on models for the material Nd2Fe14B. Operational conditions may differ. Please consider these data as a reference point for designers.

Table 1: Static pull force (force vs gap) - power drop
MPL 35x35x10 / N38

Distance (mm) Induction (Gauss) / mT Pull Force (kg/lbs/g/N) Risk Status
0 mm 2829 Gs
282.9 mT
26.88 kg / 59.26 pounds
26880.0 g / 263.7 N
dangerous!
1 mm 2727 Gs
272.7 mT
24.98 kg / 55.08 pounds
24982.7 g / 245.1 N
dangerous!
2 mm 2613 Gs
261.3 mT
22.94 kg / 50.57 pounds
22939.0 g / 225.0 N
dangerous!
3 mm 2491 Gs
249.1 mT
20.84 kg / 45.95 pounds
20841.0 g / 204.4 N
dangerous!
5 mm 2232 Gs
223.2 mT
16.73 kg / 36.88 pounds
16730.5 g / 164.1 N
dangerous!
10 mm 1600 Gs
160.0 mT
8.60 kg / 18.96 pounds
8600.7 g / 84.4 N
warning
15 mm 1102 Gs
110.2 mT
4.08 kg / 9.00 pounds
4082.9 g / 40.1 N
warning
20 mm 757 Gs
75.7 mT
1.93 kg / 4.25 pounds
1925.7 g / 18.9 N
low risk
30 mm 376 Gs
37.6 mT
0.48 kg / 1.05 pounds
475.7 g / 4.7 N
low risk
50 mm 122 Gs
12.2 mT
0.05 kg / 0.11 pounds
49.9 g / 0.5 N
low risk

Table 2: Vertical hold (wall)
MPL 35x35x10 / N38

Distance (mm) Friction coefficient Pull Force (kg/lbs/g/N)
0 mm Stal (~0.2) 5.38 kg / 11.85 pounds
5376.0 g / 52.7 N
1 mm Stal (~0.2) 5.00 kg / 11.01 pounds
4996.0 g / 49.0 N
2 mm Stal (~0.2) 4.59 kg / 10.11 pounds
4588.0 g / 45.0 N
3 mm Stal (~0.2) 4.17 kg / 9.19 pounds
4168.0 g / 40.9 N
5 mm Stal (~0.2) 3.35 kg / 7.38 pounds
3346.0 g / 32.8 N
10 mm Stal (~0.2) 1.72 kg / 3.79 pounds
1720.0 g / 16.9 N
15 mm Stal (~0.2) 0.82 kg / 1.80 pounds
816.0 g / 8.0 N
20 mm Stal (~0.2) 0.39 kg / 0.85 pounds
386.0 g / 3.8 N
30 mm Stal (~0.2) 0.10 kg / 0.21 pounds
96.0 g / 0.9 N
50 mm Stal (~0.2) 0.01 kg / 0.02 pounds
10.0 g / 0.1 N

Table 3: Vertical assembly (sliding) - behavior on slippery surfaces
MPL 35x35x10 / N38

Surface type Friction coefficient / % Mocy Max load (kg/lbs/g/N)
Raw steel
µ = 0.3 30% Nominalnej Siły
8.06 kg / 17.78 pounds
8064.0 g / 79.1 N
Painted steel (standard)
µ = 0.2 20% Nominalnej Siły
5.38 kg / 11.85 pounds
5376.0 g / 52.7 N
Oily/slippery steel
µ = 0.1 10% Nominalnej Siły
2.69 kg / 5.93 pounds
2688.0 g / 26.4 N
Magnet with anti-slip rubber
µ = 0.5 50% Nominalnej Siły
13.44 kg / 29.63 pounds
13440.0 g / 131.8 N

Table 4: Steel thickness (saturation) - sheet metal selection
MPL 35x35x10 / N38

Steel thickness (mm) % power Real pull force (kg/lbs/g/N)
0.5 mm
5%
1.34 kg / 2.96 pounds
1344.0 g / 13.2 N
1 mm
13%
3.36 kg / 7.41 pounds
3360.0 g / 33.0 N
2 mm
25%
6.72 kg / 14.82 pounds
6720.0 g / 65.9 N
3 mm
38%
10.08 kg / 22.22 pounds
10080.0 g / 98.9 N
5 mm
63%
16.80 kg / 37.04 pounds
16800.0 g / 164.8 N
10 mm
100%
26.88 kg / 59.26 pounds
26880.0 g / 263.7 N
11 mm
100%
26.88 kg / 59.26 pounds
26880.0 g / 263.7 N
12 mm
100%
26.88 kg / 59.26 pounds
26880.0 g / 263.7 N

Table 5: Thermal stability (material behavior) - thermal limit
MPL 35x35x10 / N38

Ambient temp. (°C) Power loss Remaining pull (kg/lbs/g/N) Status
20 °C 0.0% 26.88 kg / 59.26 pounds
26880.0 g / 263.7 N
OK
40 °C -2.2% 26.29 kg / 57.96 pounds
26288.6 g / 257.9 N
OK
60 °C -4.4% 25.70 kg / 56.65 pounds
25697.3 g / 252.1 N
80 °C -6.6% 25.11 kg / 55.35 pounds
25105.9 g / 246.3 N
100 °C -28.8% 19.14 kg / 42.19 pounds
19138.6 g / 187.7 N

Table 6: Magnet-Magnet interaction (attraction) - field range
MPL 35x35x10 / N38

Gap (mm) Attraction (kg/lbs) (N-S) Sliding Force (kg/lbs/g/N) Repulsion (kg/lbs) (N-N)
0 mm 60.43 kg / 133.22 pounds
4 428 Gs
9.06 kg / 19.98 pounds
9064 g / 88.9 N
N/A
1 mm 58.36 kg / 128.67 pounds
5 560 Gs
8.75 kg / 19.30 pounds
8754 g / 85.9 N
52.53 kg / 115.80 pounds
~0 Gs
2 mm 56.16 kg / 123.82 pounds
5 454 Gs
8.42 kg / 18.57 pounds
8424 g / 82.6 N
50.55 kg / 111.44 pounds
~0 Gs
3 mm 53.89 kg / 118.81 pounds
5 343 Gs
8.08 kg / 17.82 pounds
8084 g / 79.3 N
48.50 kg / 106.93 pounds
~0 Gs
5 mm 49.22 kg / 108.50 pounds
5 106 Gs
7.38 kg / 16.28 pounds
7382 g / 72.4 N
44.29 kg / 97.65 pounds
~0 Gs
10 mm 37.61 kg / 82.92 pounds
4 463 Gs
5.64 kg / 12.44 pounds
5642 g / 55.3 N
33.85 kg / 74.63 pounds
~0 Gs
20 mm 19.33 kg / 42.63 pounds
3 200 Gs
2.90 kg / 6.39 pounds
2900 g / 28.5 N
17.40 kg / 38.36 pounds
~0 Gs
50 mm 2.10 kg / 4.64 pounds
1 056 Gs
0.32 kg / 0.70 pounds
316 g / 3.1 N
1.89 kg / 4.18 pounds
~0 Gs
60 mm 1.07 kg / 2.36 pounds
753 Gs
0.16 kg / 0.35 pounds
160 g / 1.6 N
0.96 kg / 2.12 pounds
~0 Gs
70 mm 0.57 kg / 1.26 pounds
550 Gs
0.09 kg / 0.19 pounds
86 g / 0.8 N
0.51 kg / 1.13 pounds
~0 Gs
80 mm 0.32 kg / 0.70 pounds
411 Gs
0.05 kg / 0.11 pounds
48 g / 0.5 N
0.29 kg / 0.63 pounds
~0 Gs
90 mm 0.19 kg / 0.41 pounds
313 Gs
0.03 kg / 0.06 pounds
28 g / 0.3 N
0.17 kg / 0.37 pounds
~0 Gs
100 mm 0.11 kg / 0.25 pounds
244 Gs
0.02 kg / 0.04 pounds
17 g / 0.2 N
0.10 kg / 0.22 pounds
~0 Gs

Table 7: Safety (HSE) (implants) - precautionary measures
MPL 35x35x10 / N38

Object / Device Limit (Gauss) / mT Safe distance
Pacemaker 5 Gs (0.5 mT) 16.5 cm
Hearing aid 10 Gs (1.0 mT) 13.0 cm
Timepiece 20 Gs (2.0 mT) 10.0 cm
Mobile device 40 Gs (4.0 mT) 8.0 cm
Remote 50 Gs (5.0 mT) 7.5 cm
Payment card 400 Gs (40.0 mT) 3.0 cm
HDD hard drive 600 Gs (60.0 mT) 2.5 cm

Table 8: Collisions (kinetic energy) - warning
MPL 35x35x10 / N38

Start from (mm) Speed (km/h) Energy (J) Predicted outcome
10 mm 20.41 km/h
(5.67 m/s)
1.48 J
30 mm 30.21 km/h
(8.39 m/s)
3.23 J
50 mm 38.62 km/h
(10.73 m/s)
5.29 J
100 mm 54.55 km/h
(15.15 m/s)
10.55 J

Table 9: Anti-corrosion coating durability
MPL 35x35x10 / 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 35x35x10 / N38

Parameter Value SI Unit / Description
Magnetic Flux 38 021 Mx 380.2 µWb
Pc Coefficient 0.35 Low (Flat)

Table 11: Physics of underwater searching
MPL 35x35x10 / N38

Environment Effective steel pull Effect
Air (land) 26.88 kg Standard
Water (riverbed) 30.78 kg
(+3.90 kg buoyancy gain)
+14.5%
Warning: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.
1. Wall mount (shear)

*Note: On a vertical surface, the magnet holds only a fraction of its perpendicular strength.

2. Plate thickness effect

*Thin metal sheet (e.g. 0.5mm PC case) significantly weakens the holding force.

3. Temperature resistance

*For standard magnets, the safety limit is 80°C.

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

chart generated for the permeance coefficient Pc (Permeance Coefficient) = 0.35

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.

Engineering data and GPSR
Elemental analysis
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: 020144-2026
Magnet Unit Converter
Force (pull)

Magnetic Induction

Other offers

This product is a very powerful plate magnet made of NdFeB material, which, with dimensions of 35x35x10 mm and a weight of 91.88 g, guarantees the highest quality connection. This rectangular block with a force of 263.71 N is ready for shipment in 24h, allowing for rapid realization of your project. Additionally, 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. To separate the MPL 35x35x10 / 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 35x35x10 / N38 are the foundation for many industrial devices, such as magnetic separators and linear motors. Thanks to the flat surface and high force (approx. 26.88 kg), they are ideal as hidden locks in furniture making and mounting elements in automation. Customers often choose this model for hanging tools 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. This is the most popular configuration for block magnets used in separators and holders.
The presented product is a neodymium magnet with precisely defined parameters: 35 mm (length), 35 mm (width), and 10 mm (thickness). It is a magnetic block with dimensions 35x35x10 mm and a self-weight of 91.88 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Strengths and weaknesses of Nd2Fe14B magnets.

Pros

Besides their durability, neodymium magnets are valued for these benefits:
  • They do not lose power, even after approximately 10 years – the reduction in lifting capacity is only ~1% (according to tests),
  • They maintain their magnetic properties even under external field action,
  • A magnet with a shiny silver surface is more attractive,
  • Magnetic induction on the working layer of the magnet turns out to be maximum,
  • Neodymium magnets are characterized by very high magnetic induction on the magnet surface and can function (depending on the form) even at a temperature of 230°C or more...
  • Thanks to flexibility in constructing and the ability to modify to unusual requirements,
  • Fundamental importance in future technologies – they are commonly used in computer drives, electric drive systems, medical equipment, as well as modern systems.
  • Relatively small size with high pulling force – neodymium magnets offer strong magnetic field in compact dimensions, which makes them useful in compact constructions

Disadvantages

Drawbacks and weaknesses of neodymium magnets and proposals for their use:
  • To avoid cracks under impact, we suggest using special steel housings. Such a solution secures the magnet and simultaneously increases its 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 very resistant to heat
  • Magnets exposed to a humid environment can rust. Therefore while using outdoors, we advise using waterproof magnets made of rubber, plastic or other material protecting against moisture
  • Due to limitations in creating nuts and complicated forms in magnets, we propose using cover - magnetic mount.
  • Possible danger to health – tiny shards of magnets pose a threat, when accidentally swallowed, which becomes key in the aspect of protecting the youngest. It is also worth noting that small components of these products can be problematic in diagnostics medical in case of swallowing.
  • Due to complex production process, their price exceeds standard values,

Lifting parameters

Maximum lifting force for a neodymium magnet – what contributes to it?

The force parameter is a result of laboratory testing executed under the following configuration:
  • using a plate made of low-carbon steel, acting as a ideal flux conductor
  • possessing a thickness of minimum 10 mm to ensure full flux closure
  • with a surface cleaned and smooth
  • with total lack of distance (without paint)
  • for force acting at a right angle (in the magnet axis)
  • in stable room temperature

What influences lifting capacity in practice

Bear in mind that the working load may be lower subject to elements below, starting with the most relevant:
  • Space between surfaces – every millimeter of separation (caused e.g. by veneer or dirt) significantly weakens the magnet efficiency, often by half at just 0.5 mm.
  • Loading method – declared lifting capacity refers to pulling vertically. When attempting to slide, the magnet holds much less (often approx. 20-30% of maximum force).
  • Substrate thickness – for full efficiency, the steel must be sufficiently thick. Paper-thin metal limits the attraction force (the magnet "punches through" it).
  • Metal type – not every steel reacts the same. Alloy additives worsen the attraction effect.
  • Surface condition – smooth surfaces guarantee perfect abutment, which increases force. Uneven metal weaken the grip.
  • Heat – neodymium magnets have a sensitivity to temperature. At higher temperatures they lose power, and at low temperatures gain strength (up to a certain limit).

Holding force was checked on the plate surface of 20 mm thickness, when the force acted perpendicularly, whereas under attempts to slide the magnet the lifting capacity is smaller. Moreover, even a minimal clearance between the magnet’s surface and the plate lowers the load capacity.

H&S for magnets
Allergic reactions

Studies show that the nickel plating (the usual finish) is a strong allergen. For allergy sufferers, prevent touching magnets with bare hands or opt for encased magnets.

Protective goggles

Despite metallic appearance, neodymium is brittle and cannot withstand shocks. Do not hit, as the magnet may shatter into sharp, dangerous pieces.

Swallowing risk

NdFeB magnets are not intended for children. Eating multiple magnets can lead to them connecting inside the digestive tract, which poses a severe health hazard and necessitates urgent medical intervention.

Pinching danger

Mind your fingers. Two powerful magnets will snap together immediately with a force of several hundred kilograms, crushing everything in their path. Be careful!

Operating temperature

Avoid heat. Neodymium magnets are sensitive to heat. If you require resistance above 80°C, ask us about special high-temperature series (H, SH, UH).

Conscious usage

Exercise caution. Neodymium magnets act from a distance and snap with huge force, often quicker than you can react.

Protect data

Data protection: Strong magnets can ruin payment cards and sensitive devices (heart implants, hearing aids, timepieces).

Flammability

Powder generated during machining of magnets is combustible. Do not drill into magnets without proper cooling and knowledge.

Phone sensors

Remember: rare earth magnets generate a field that disrupts sensitive sensors. Keep a safe distance from your phone, tablet, and GPS.

Medical implants

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

Important! Want to know more? Check our post: Why are neodymium magnets dangerous?
Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98