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MPL 25x25x10 / N38 - lamellar magnet

Name: Dhit sp. z o.o.
Address: Kościuszki 6A, Ożarów Mazowiecki, Poland, 05-850, PL
Telephone: +48 22 499 98 98
Price range: PLN 1-6500
Rating: 5

lamellar magnet

Catalog no 020137

GTIN/EAN: 5906301811435

5.00

length

25 mm [±0,1 mm]

Width

25 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

46.88 g

Magnetization Direction

↑ axial

Load capacity

19.39 kg / 190.25 N

Magnetic Induction

361.04 mT / 3610 Gs

Coating

[NiCuNi] Nickel

view technical data »

20.29 ZŁ with VAT / pcs + price for transport

16.50 ZŁ net + 23% VAT / pcs

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Technical data - MPL 25x25x10 / N38 - lamellar magnet

Specification / characteristics - MPL 25x25x10 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020137
GTIN/EAN	5906301811435
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	25 mm [±0,1 mm]
Width	25 mm [±0,1 mm]
Height	10 mm [±0,1 mm]
Weight	46.88 g
Magnetization Direction	↑ axial
Load capacity ~ ?	19.39 kg / 190.25 N
Magnetic Induction ~ ?	361.04 mT / 3610 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 25x25x10 / 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

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 magnet - report

The following values constitute the direct effect of a engineering simulation. Results were calculated on algorithms for the class Nd₂Fe₁₄B. Actual conditions might slightly differ. Treat these calculations as a preliminary roadmap when designing systems.

Table 1: Static force (pull vs distance) - characteristics
MPL 25x25x10 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	3610 Gs 361.0 mT	19.39 kg / 42.75 LBS 19390.0 g / 190.2 N	dangerous!
1 mm	3392 Gs 339.2 mT	17.12 kg / 37.74 LBS 17117.7 g / 167.9 N	dangerous!
2 mm	3156 Gs 315.6 mT	14.82 kg / 32.68 LBS 14822.5 g / 145.4 N	dangerous!
3 mm	2913 Gs 291.3 mT	12.63 kg / 27.85 LBS 12631.8 g / 123.9 N	dangerous!
5 mm	2436 Gs 243.6 mT	8.83 kg / 19.46 LBS 8827.9 g / 86.6 N	strong
10 mm	1464 Gs 146.4 mT	3.19 kg / 7.04 LBS 3191.5 g / 31.3 N	strong
15 mm	872 Gs 87.2 mT	1.13 kg / 2.49 LBS 1131.5 g / 11.1 N	safe
20 mm	538 Gs 53.8 mT	0.43 kg / 0.95 LBS 430.4 g / 4.2 N	safe
30 mm	234 Gs 23.4 mT	0.08 kg / 0.18 LBS 81.8 g / 0.8 N	safe
50 mm	68 Gs 6.8 mT	0.01 kg / 0.02 LBS 6.9 g / 0.1 N	safe

Pulling power weakens significantly with every subsequent millimeter of distance. Remember that every additional insulation layer (e.g., dirt, paint, dust) significantly diminishes the holding power. Neodymiums hold strongest at the point of direct contact; air break kills the force. Observe how rapidly the pull force plummet, when the product does not touch tightly to the steel surface. When planning the mounting, discard additional spacers.

Table 2: Slippage capacity (vertical surface)
MPL 25x25x10 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	3.88 kg / 8.55 LBS 3878.0 g / 38.0 N
1 mm	Stal (~0.2)	3.42 kg / 7.55 LBS 3424.0 g / 33.6 N
2 mm	Stal (~0.2)	2.96 kg / 6.53 LBS 2964.0 g / 29.1 N
3 mm	Stal (~0.2)	2.53 kg / 5.57 LBS 2526.0 g / 24.8 N
5 mm	Stal (~0.2)	1.77 kg / 3.89 LBS 1766.0 g / 17.3 N
10 mm	Stal (~0.2)	0.64 kg / 1.41 LBS 638.0 g / 6.3 N
15 mm	Stal (~0.2)	0.23 kg / 0.50 LBS 226.0 g / 2.2 N
20 mm	Stal (~0.2)	0.09 kg / 0.19 LBS 86.0 g / 0.8 N
30 mm	Stal (~0.2)	0.02 kg / 0.04 LBS 16.0 g / 0.2 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 LBS 2.0 g / 0.0 N

The following data calculates the approximate force required to cause the sliding of the magnet vertically against a upright steel wall (assuming typical friction coefficient). This parameter depends on the gap size between the magnet and the surface.

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MPL 25x25x10 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	5.82 kg / 12.82 LBS 5817.0 g / 57.1 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	3.88 kg / 8.55 LBS 3878.0 g / 38.0 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	1.94 kg / 4.27 LBS 1939.0 g / 19.0 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	9.70 kg / 21.37 LBS 9695.0 g / 95.1 N

When hanging a holder on a vertical plane (e.g., a car body), it you can count on just about 1/5 of nominal attraction strength. Gravity and a weak degree of grip cause that products slide down easier than they detach. Planning a wall mount? Consider that the sliding force is much weaker than the maximum static pull force. On a slippery surface, the holder will give way down under a noticeably lighter weight. Using a rubber coating can significantly raise the stability.

Table 4: Material efficiency (substrate influence) - power losses
MPL 25x25x10 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	5%	0.97 kg / 2.14 LBS 969.5 g / 9.5 N
1 mm	13%	2.42 kg / 5.34 LBS 2423.8 g / 23.8 N
2 mm	25%	4.85 kg / 10.69 LBS 4847.5 g / 47.6 N
3 mm	38%	7.27 kg / 16.03 LBS 7271.3 g / 71.3 N
5 mm	63%	12.12 kg / 26.72 LBS 12118.8 g / 118.9 N
10 mm	100%	19.39 kg / 42.75 LBS 19390.0 g / 190.2 N
11 mm	100%	19.39 kg / 42.75 LBS 19390.0 g / 190.2 N
12 mm	100%	19.39 kg / 42.75 LBS 19390.0 g / 190.2 N

A thin metal plate is unable to focus the entire magnetic field, which wastes potential of the holder. If you install a neodymium to a weak sheet, the magnetism will penetrate right through and the attraction force will be weaker. To utilize 100% of this neodymium's potential, you need a suitably thick piece of steel. The saturation effect means that on sheet metal structures (e.g., thin profiles), the holder holds weaker. We recommend selecting the steel cross-section from these parameters.

Table 5: Thermal stability (material behavior) - resistance threshold
MPL 25x25x10 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	19.39 kg / 42.75 LBS 19390.0 g / 190.2 N	OK
40 °C	-2.2%	18.96 kg / 41.81 LBS 18963.4 g / 186.0 N	OK
60 °C	-4.4%	18.54 kg / 40.87 LBS 18536.8 g / 181.8 N
80 °C	-6.6%	18.11 kg / 39.93 LBS 18110.3 g / 177.7 N
100 °C	-28.8%	13.81 kg / 30.44 LBS 13805.7 g / 135.4 N

Standard neodymium magnets change their properties power after exceeding the maximum temperature. Protect against heat – high temperature can irreversibly demagnetize this magnet. As the temperature rises, the magnet's capacity temporarily drops. Do not use this magnet near heat sources higher than its operating temperature limit. Exceeding the critical threshold will cause destruction of magnetic properties.

*Important note: Heat tolerance is determined by both grade, and the Permeance Coefficient Pc. Low-profile magnets (low Pc) are more susceptible to demagnetization sooner than taller cylinders. Warning indicator in the table indicates permanent field degradation for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MPL 25x25x10 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Sliding Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	50.20 kg / 110.68 LBS 5 073 Gs	7.53 kg / 16.60 LBS 7531 g / 73.9 N	N/A
1 mm	47.31 kg / 104.30 LBS 7 008 Gs	7.10 kg / 15.65 LBS 7097 g / 69.6 N	42.58 kg / 93.87 LBS ~0 Gs
2 mm	44.32 kg / 97.71 LBS 6 783 Gs	6.65 kg / 14.66 LBS 6648 g / 65.2 N	39.89 kg / 87.94 LBS ~0 Gs
3 mm	41.33 kg / 91.12 LBS 6 550 Gs	6.20 kg / 13.67 LBS 6200 g / 60.8 N	37.20 kg / 82.01 LBS ~0 Gs
5 mm	35.49 kg / 78.25 LBS 6 070 Gs	5.32 kg / 11.74 LBS 5324 g / 52.2 N	31.94 kg / 70.43 LBS ~0 Gs
10 mm	22.86 kg / 50.39 LBS 4 871 Gs	3.43 kg / 7.56 LBS 3429 g / 33.6 N	20.57 kg / 45.35 LBS ~0 Gs
20 mm	8.26 kg / 18.22 LBS 2 929 Gs	1.24 kg / 2.73 LBS 1240 g / 12.2 N	7.44 kg / 16.40 LBS ~0 Gs
50 mm	0.46 kg / 1.02 LBS 695 Gs	0.07 kg / 0.15 LBS 70 g / 0.7 N	0.42 kg / 0.92 LBS ~0 Gs
60 mm	0.21 kg / 0.47 LBS 469 Gs	0.03 kg / 0.07 LBS 32 g / 0.3 N	0.19 kg / 0.42 LBS ~0 Gs
70 mm	0.10 kg / 0.23 LBS 329 Gs	0.02 kg / 0.03 LBS 16 g / 0.2 N	0.09 kg / 0.21 LBS ~0 Gs
80 mm	0.05 kg / 0.12 LBS 239 Gs	0.01 kg / 0.02 LBS 8 g / 0.1 N	0.05 kg / 0.11 LBS ~0 Gs
90 mm	0.03 kg / 0.07 LBS 178 Gs	0.00 kg / 0.01 LBS 5 g / 0.0 N	0.03 kg / 0.06 LBS ~0 Gs
100 mm	0.02 kg / 0.04 LBS 136 Gs	0.00 kg / 0.01 LBS 3 g / 0.0 N	0.02 kg / 0.04 LBS ~0 Gs

Two strong neodymiums interact from a wider radius than a magnet and steel setup. The connection of magnet-to-magnet produces a massive flux and a further horizon of performance. Planning to create a solid fastener? Utilize two neodymiums instead of one magnet and a steel. Exercise caution that when attracting two neodymiums, the collision energy is massive. The levitation is a bit weaker than the attraction, but still significant.
*Flux density in repulsion mode reaches ~0 Gs at the midpoint of the gap (caused by magnetic field nullification).
* Calculations demonstrate shear force of a pair of matching magnets (friction ~0.15 for Ni-Ni coating).

Table 7: Protective zones (implants) - warnings
MPL 25x25x10 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	13.0 cm
Hearing aid	10 Gs (1.0 mT)	10.5 cm
Mechanical watch	20 Gs (2.0 mT)	8.0 cm
Mobile device	40 Gs (4.0 mT)	6.5 cm
Remote	50 Gs (5.0 mT)	6.0 cm
Payment card	400 Gs (40.0 mT)	2.5 cm
HDD hard drive	600 Gs (60.0 mT)	2.0 cm

A strong magnetic field is a large risk to IT equipment as well as medical implants. These NdFeB products produce a flux that destroys function of sensitive medical devices. Notice: the unseen radiation acts through matter and glass. Special caution must be exercised by people with hearing aids and insulin pumps. Also at risk are: automatic timepieces, car keys, speakers, and displays. Avoid contact with magnetic cards, hard drives, or precise measuring instruments.

Table 8: Impact energy (kinetic energy) - warning
MPL 25x25x10 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	22.52 km/h (6.26 m/s)	0.92 J
30 mm	35.62 km/h (9.89 m/s)	2.29 J
50 mm	45.87 km/h (12.74 m/s)	3.81 J
100 mm	64.86 km/h (18.02 m/s)	7.61 J

Magnetic elements are prone to chipping – a collision with steel causes immediate chipping. Watch the impact speed – a neodymium left loose becomes dangerous. Impact energy can destroy the magnet or injury to fingers. Hold the magnet firmly during installation so it doesn't hit with great force against the steel surface. A contact at a velocity of dozens of km/h almost guarantees destruction of the magnet. Wear eye protection when handling with large magnets.

Table 9: Surface protection spec
MPL 25x25x10 / 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)

The SST (salt spray test) is an industry standard for determining coating lifespan in harsh conditions. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Construction data (Flux)
MPL 25x25x10 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	23 497 Mx	235.0 µWb
P_c Coefficient	0.46	Low (Flat)

Flux value emitted by the pole surface. Key data when building generators and motors. The P_c coefficient determines the magnet's operating point.

Table 11: Underwater work (magnet fishing)
MPL 25x25x10 / N38

Environment	Effective steel pull	Effect
Air (land)	19.39 kg	Standard
Water (riverbed)	22.20 kg (+2.81 kg buoyancy gain)	+14.5%

Warning: Standard nickel requires drying after every contact with moisture; lack of maintenance will lead to rust spots.

The magnetic field penetrates through water without any losses. Buoyancy helps in lifting finds.

1. Wall mount (shear)

*Warning: On a vertical wall, the magnet retains just ~20% of its max power.

2. Plate thickness effect

*Thin steel (e.g. 0.5mm PC 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 P_c (Permeance Coefficient) = 0.46

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 P_c (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 P_c 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: 020137-2026

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MPL 20x10x5 / N38 - lamellar magnet

4.54 ZŁ brutto / pcs

Component MPL 25x25x10 / N38 features a flat shape and professional pulling force, making it a perfect solution for building separators and machines. As a magnetic bar with high power (approx. 19.39 kg), this product is available off-the-shelf from our warehouse in Poland. Additionally, its Ni-Cu-Ni coating protects 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 19.39 kg can pinch very hard and cause hematomas. 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. 19.39 kg), they are ideal as closers 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.

For mounting flat magnets MPL 25x25x10 / N38, we recommend utilizing two-component adhesives (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 roughen and wash 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. 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: 25 mm (length), 25 mm (width), and 10 mm (thickness). It is a magnetic block with dimensions 25x25x10 mm and a self-weight of 46.88 g, ready to work at temperatures up to 80°C. The protective [NiCuNi] coating secures the magnet against corrosion.

Advantages as well as disadvantages of Nd₂Fe₁₄B magnets.

Advantages

Apart from their superior magnetic energy, neodymium magnets have these key benefits:

Their strength is maintained, and after around ten years it decreases only by ~1% (theoretically),
Neodymium magnets are distinguished by remarkably resistant to loss of magnetic properties caused by external magnetic fields,
In other words, due to the shiny finish of gold, the element looks attractive,
They feature high magnetic induction at the operating surface, which improves attraction properties,
Thanks to resistance to high temperature, they can operate (depending on the shape) even at temperatures up to 230°C and higher...
Thanks to versatility in designing and the ability to adapt to specific needs,
Huge importance in modern technologies – they find application in hard drives, motor assemblies, medical equipment, and other advanced devices.
Thanks to their power density, small magnets offer high operating force, in miniature format,

Weaknesses

Disadvantages of NdFeB magnets:

Brittleness is one of their disadvantages. Upon strong impact they can break. We advise keeping them in a strong case, which not only protects them against impacts but also increases their durability
We warn that neodymium magnets can lose their strength at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
When exposed to humidity, magnets usually rust. For applications outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation and corrosion.
Due to limitations in producing nuts and complicated shapes in magnets, we recommend using casing - magnetic mechanism.
Health risk related to microscopic parts of magnets are risky, when accidentally swallowed, which becomes key in the context of child health protection. Additionally, small elements of these devices can be problematic in diagnostics medical after entering the body.
With budget limitations the cost of neodymium magnets is a challenge,

Holding force characteristics

Magnetic strength at its maximum – what it depends on?

The specified lifting capacity concerns the peak performance, measured under ideal test conditions, namely:

on a plate made of mild steel, perfectly concentrating the magnetic field
possessing a massiveness of minimum 10 mm to ensure full flux closure
with an ideally smooth touching surface
without the slightest insulating layer between the magnet and steel
under vertical force direction (90-degree angle)
in neutral thermal conditions

Practical aspects of lifting capacity – factors

Real force impacted by specific conditions, mainly (from priority):

Space between magnet and steel – every millimeter of separation (caused e.g. by veneer or unevenness) significantly weakens the pulling force, often by half at just 0.5 mm.
Direction of force – highest force is available only during perpendicular pulling. The shear force of the magnet along the surface is typically several times smaller (approx. 1/5 of the lifting capacity).
Plate thickness – too thin plate causes magnetic saturation, causing part of the flux to be escaped to the other side.
Chemical composition of the base – low-carbon steel attracts best. Alloy steels lower magnetic properties and holding force.
Smoothness – ideal contact is obtained only on polished steel. Rough texture reduce the real contact area, reducing force.
Thermal conditions – NdFeB sinters have a negative temperature coefficient. At higher temperatures they are weaker, and at low temperatures they can be stronger (up to a certain limit).

Holding force was tested on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, whereas under attempts to slide the magnet the lifting capacity is smaller. Additionally, even a slight gap between the magnet’s surface and the plate decreases the holding force.

Safe handling of neodymium magnets

Maximum temperature

Standard neodymium magnets (N-type) lose magnetization when the temperature surpasses 80°C. The loss of strength is permanent.

Safe operation

Handle magnets with awareness. Their powerful strength can surprise even professionals. Be vigilant and respect their power.

Pinching danger

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

Dust explosion hazard

Fire hazard: Neodymium dust is explosive. Avoid machining magnets in home conditions as this may cause fire.

Nickel allergy

It is widely known that nickel (standard magnet coating) is a strong allergen. For allergy sufferers, avoid direct skin contact or select versions in plastic housing.

This is not a toy

NdFeB magnets are not suitable for play. Accidental ingestion of several magnets can lead to them pinching intestinal walls, which poses a severe health hazard and necessitates immediate surgery.

Compass and GPS

A strong magnetic field negatively affects the operation of compasses in phones and GPS navigation. Maintain magnets close to a device to prevent breaking the sensors.

Risk of cracking

Despite the nickel coating, neodymium is brittle and cannot withstand shocks. Avoid impacts, as the magnet may shatter into sharp, dangerous pieces.

Cards and drives

Device Safety: Neodymium magnets can ruin data carriers and delicate electronics (pacemakers, medical aids, timepieces).

Warning for heart patients

Medical warning: Strong magnets can deactivate pacemakers and defibrillators. Stay away if you have medical devices.

Attention! Looking for details? Check our post: Why are neodymium magnets dangerous?

MPL 25x25x10 / N38 - lamellar magnet

Technical data - MPL 25x25x10 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering modeling of the magnet - report

Table 1: Static force (pull vs distance) - characteristics MPL 25x25x10 / N38

Table 2: Slippage capacity (vertical surface) MPL 25x25x10 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces MPL 25x25x10 / N38

Table 4: Material efficiency (substrate influence) - power losses MPL 25x25x10 / N38

Table 5: Thermal stability (material behavior) - resistance threshold MPL 25x25x10 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field range MPL 25x25x10 / N38

Table 7: Protective zones (implants) - warnings MPL 25x25x10 / N38

Table 8: Impact energy (kinetic energy) - warning MPL 25x25x10 / N38

Table 9: Surface protection spec MPL 25x25x10 / N38

Table 10: Construction data (Flux) MPL 25x25x10 / N38

Table 11: Underwater work (magnet fishing) MPL 25x25x10 / N38

1. Wall mount (shear)

2. Plate thickness effect

3. Heat tolerance

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

Material specification

Environmental data

Magnet pull force

Magnetic Induction

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Advantages as well as disadvantages of Nd2Fe14B magnets.

Advantages

Weaknesses

Holding force characteristics

Magnetic strength at its maximum – what it depends on?

Practical aspects of lifting capacity – factors

Safe handling of neodymium magnets

Maximum temperature

Safe operation

Pinching danger

Dust explosion hazard

Nickel allergy

This is not a toy

Compass and GPS

Risk of cracking

Cards and drives

Warning for heart patients

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (pull vs distance) - characteristics
MPL 25x25x10 / N38

Table 2: Slippage capacity (vertical surface)
MPL 25x25x10 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MPL 25x25x10 / N38

Table 4: Material efficiency (substrate influence) - power losses
MPL 25x25x10 / N38

Table 5: Thermal stability (material behavior) - resistance threshold
MPL 25x25x10 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field range
MPL 25x25x10 / N38

Table 7: Protective zones (implants) - warnings
MPL 25x25x10 / N38

Table 8: Impact energy (kinetic energy) - warning
MPL 25x25x10 / N38

Table 9: Surface protection spec
MPL 25x25x10 / N38

Table 10: Construction data (Flux)
MPL 25x25x10 / N38

Table 11: Underwater work (magnet fishing)
MPL 25x25x10 / N38

Advantages as well as disadvantages of Nd₂Fe₁₄B magnets.