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MPL 25x2x6 / N38 - lamellar magnet

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

lamellar magnet

Catalog no 020509

length

25 mm [±0,1 mm]

Width

2 mm [±0,1 mm]

Height

6 mm [±0,1 mm]

Weight

2.25 g

Magnetization Direction

↑ axial

Load capacity

2.33 kg / 22.82 N

Magnetic Induction

558.90 mT / 5589 Gs

Coating

[NiCuNi] Nickel

view technical specifications »

0.713 ZŁ with VAT / pcs + price for transport

0.580 ZŁ net + 23% VAT / pcs

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Detailed specification - MPL 25x2x6 / N38 - lamellar magnet

Specification / characteristics - MPL 25x2x6 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020509
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	2 mm [±0,1 mm]
Height	6 mm [±0,1 mm]
Weight	2.25 g
Magnetization Direction	↑ axial
Load capacity ~ ?	2.33 kg / 22.82 N
Magnetic Induction ~ ?	558.90 mT / 5589 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 25x2x6 / 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 - technical parameters

These information are the result of a mathematical simulation. Values rely on models for the class Nd₂Fe₁₄B. Operational performance might slightly differ. Treat these data as a preliminary roadmap when designing systems.

Table 1: Static pull force (force vs gap) - power drop
MPL 25x2x6 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	5574 Gs 557.4 mT	2.33 kg / 5.14 lbs 2330.0 g / 22.9 N	medium risk
1 mm	2599 Gs 259.9 mT	0.51 kg / 1.12 lbs 506.6 g / 5.0 N	low risk
2 mm	1392 Gs 139.2 mT	0.15 kg / 0.32 lbs 145.3 g / 1.4 N	low risk
3 mm	879 Gs 87.9 mT	0.06 kg / 0.13 lbs 58.0 g / 0.6 N	low risk
5 mm	454 Gs 45.4 mT	0.02 kg / 0.03 lbs 15.5 g / 0.2 N	low risk
10 mm	155 Gs 15.5 mT	0.00 kg / 0.00 lbs 1.8 g / 0.0 N	low risk
15 mm	72 Gs 7.2 mT	0.00 kg / 0.00 lbs 0.4 g / 0.0 N	low risk
20 mm	39 Gs 3.9 mT	0.00 kg / 0.00 lbs 0.1 g / 0.0 N	low risk
30 mm	15 Gs 1.5 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	low risk
50 mm	4 Gs 0.4 mT	0.00 kg / 0.00 lbs 0.0 g / 0.0 N	low risk

Pulling power weakens drastically with every mm of spacing. Keep in mind that every additional insulation layer (e.g., contamination, paint, dust) significantly weakens the grip. Magnets work strongest in perfect adhesion; air break nullifies the force. Analyze how flashily the parameters drop, when the product does not adhere directly to the metal substrate. When calculating the mounting, eliminate unnecessary gaps.

Table 2: Slippage force (vertical surface)
MPL 25x2x6 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	0.47 kg / 1.03 lbs 466.0 g / 4.6 N
1 mm	Stal (~0.2)	0.10 kg / 0.22 lbs 102.0 g / 1.0 N
2 mm	Stal (~0.2)	0.03 kg / 0.07 lbs 30.0 g / 0.3 N
3 mm	Stal (~0.2)	0.01 kg / 0.03 lbs 12.0 g / 0.1 N
5 mm	Stal (~0.2)	0.00 kg / 0.01 lbs 4.0 g / 0.0 N
10 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N
15 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 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 table below indicates the theoretical weight limit required to initiate the shifting of the magnet vertically on a upright steel wall (assuming standard friction). The holding force is a function of the gap size between the magnet and the metal.

Table 3: Wall mounting (shearing) - vertical pull
MPL 25x2x6 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	0.70 kg / 1.54 lbs 699.0 g / 6.9 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	0.47 kg / 1.03 lbs 466.0 g / 4.6 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.23 kg / 0.51 lbs 233.0 g / 2.3 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	1.17 kg / 2.57 lbs 1165.0 g / 11.4 N

When mounting a magnet on a vertical wall (e.g., a board), it will maintain barely approx. 1/5 of its maximum pull force. Gravitational force and a low friction coefficient cause that products move down faster than they pop off the substrate. Planning a hanger? Note that the shear force is noticeably lower than the maximum static pull force. On a smooth steel, the magnet will slide down under a noticeably lighter weight. Utilizing a rubberized coating can significantly improve the result.

Table 4: Material efficiency (substrate influence) - power losses
MPL 25x2x6 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.23 kg / 0.51 lbs 233.0 g / 2.3 N
1 mm	25%	0.58 kg / 1.28 lbs 582.5 g / 5.7 N
2 mm	50%	1.17 kg / 2.57 lbs 1165.0 g / 11.4 N
3 mm	75%	1.75 kg / 3.85 lbs 1747.5 g / 17.1 N
5 mm	100%	2.33 kg / 5.14 lbs 2330.0 g / 22.9 N
10 mm	100%	2.33 kg / 5.14 lbs 2330.0 g / 22.9 N
11 mm	100%	2.33 kg / 5.14 lbs 2330.0 g / 22.9 N
12 mm	100%	2.33 kg / 5.14 lbs 2330.0 g / 22.9 N

A thin metal plate is incapable of take in the full magnetic flux, which wastes potential of the magnet. If you attach a powerful product to a weak sheet, the flux will pass right through and the holding will be smaller. To utilize full efficiency of this magnet's power, you require a sufficiently solid backing of steel. The saturation effect means that on sheet metal structures (e.g., car bodies), the magnet shows lower pull force. We suggest choosing the steel thickness based on the following data.

Table 5: Thermal resistance (material behavior) - thermal limit
MPL 25x2x6 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	2.33 kg / 5.14 lbs 2330.0 g / 22.9 N	OK
40 °C	-2.2%	2.28 kg / 5.02 lbs 2278.7 g / 22.4 N	OK
60 °C	-4.4%	2.23 kg / 4.91 lbs 2227.5 g / 21.9 N	OK
80 °C	-6.6%	2.18 kg / 4.80 lbs 2176.2 g / 21.3 N
100 °C	-28.8%	1.66 kg / 3.66 lbs 1659.0 g / 16.3 N

Ordinary NdFeB products lose parameters above the temperature limit. Avoid high temperatures – excessive heat can irreversibly demagnetize this magnet. As the temperature rises, the magnet's capacity briefly decreases. Refrain from using this magnet close to heaters exceeding its operating temperature limit. Exceeding the critical threshold will cause irreversible degradation of magnetic properties.

*Technical advisory: Heat tolerance depends not only on the material grade, as well as the dimension ratios. Flat magnets (low permeance coefficient) may lose charge permanently under lower heat stress than taller cylinders. The danger warning in the table indicates a risk of irreversible loss for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - field range
MPL 25x2x6 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Strength (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	9.58 kg / 21.12 lbs 5 924 Gs	1.44 kg / 3.17 lbs 1437 g / 14.1 N	N/A
1 mm	4.52 kg / 9.97 lbs 7 659 Gs	0.68 kg / 1.49 lbs 678 g / 6.7 N	4.07 kg / 8.97 lbs ~0 Gs
2 mm	2.08 kg / 4.59 lbs 5 198 Gs	0.31 kg / 0.69 lbs 312 g / 3.1 N	1.87 kg / 4.13 lbs ~0 Gs
3 mm	1.06 kg / 2.34 lbs 3 708 Gs	0.16 kg / 0.35 lbs 159 g / 1.6 N	0.95 kg / 2.10 lbs ~0 Gs
5 mm	0.37 kg / 0.81 lbs 2 179 Gs	0.05 kg / 0.12 lbs 55 g / 0.5 N	0.33 kg / 0.73 lbs ~0 Gs
10 mm	0.06 kg / 0.14 lbs 909 Gs	0.01 kg / 0.02 lbs 10 g / 0.1 N	0.06 kg / 0.13 lbs ~0 Gs
20 mm	0.01 kg / 0.02 lbs 311 Gs	0.00 kg / 0.00 lbs 1 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
50 mm	0.00 kg / 0.00 lbs 46 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 29 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 20 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 14 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 10 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 8 Gs	0.00 kg / 0.00 lbs 0 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs

Two strong neodymiums attract each other from a wider radius than a magnet and steel setup. The connection of magnet-to-magnet creates a more powerful interaction and a wider radius of operation. Designing a strong closure? Utilize two neodymiums instead of one magnet and a steel. Remember that when attracting two neodymiums, the pinch force is extreme. The levitation is a bit weaker than the attraction, but still impressive.
*Field value for N-N configuration drops to ~0 Gs at the geometric center between the magnets (due to field cancellation).
Note: Results apply to friction force of a pair of matching magnets (friction coefficient ~0.15 for Ni-Ni plating).

Table 7: Safety (HSE) (electronics) - warnings
MPL 25x2x6 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	5.0 cm
Hearing aid	10 Gs (1.0 mT)	3.5 cm
Mechanical watch	20 Gs (2.0 mT)	3.0 cm
Phone / Smartphone	40 Gs (4.0 mT)	2.0 cm
Remote	50 Gs (5.0 mT)	2.0 cm
Payment card	400 Gs (40.0 mT)	1.0 cm
HDD hard drive	600 Gs (60.0 mT)	0.5 cm

Extremely neodym field is a serious hazard to IT equipment as well as pacemakers. These NdFeB products generate a flux that disrupts operation of sensitive medical devices. Remember: the unseen radiation passes through tissues and glass. Increased vigilance must be exercised by people with hearing aids and drug dispensers. Influence will be felt by: automatic timepieces, remotes, speakers, and displays. Do not place the magnet near cards, HDD media, or sensitive navigation tools.

Table 8: Dynamics (cracking risk) - warning
MPL 25x2x6 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	32.47 km/h (9.02 m/s)	0.09 J
30 mm	56.21 km/h (15.61 m/s)	0.27 J
50 mm	72.57 km/h (20.16 m/s)	0.46 J
100 mm	102.63 km/h (28.51 m/s)	0.91 J

Magnetic elements are very brittle – a strong collision with metal causes immediate chipping. Control the attraction moment – a neodymium left loose speeds with massive force. Kinetic force can cause material chips or dangerous crushing to fingers. Always hold the magnet during installation so it doesn't hit with great force against the metal. A collision at high speed almost guarantees destruction of the neodymium. Wear eye protection when working with powerful specimens.

Table 9: Surface protection spec
MPL 25x2x6 / 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)

Neodymium magnets are highly susceptible to corrosion without proper protection. Note the thickness of the protective layer.

Table 10: Electrical data (P_c)
MPL 25x2x6 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	2 608 Mx	26.1 µWb
P_c Coefficient	0.76	High (Stable)

Total magnetic flux emitted by the magnet pole. Essential parameter in coil applications as well as sensors. The P_c coefficient determines the magnet's operating point.

Table 11: Physics of underwater searching
MPL 25x2x6 / N38

Environment	Effective steel pull	Effect
Air (land)	2.33 kg	Standard
Water (riverbed)	2.67 kg (+0.34 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!

Water displaces steel, making heavy objects slightly lighter. Buoyancy helps in lifting finds.

1. Vertical hold

*Warning: On a vertical surface, the magnet holds merely approx. 20-30% of its perpendicular strength.

2. Efficiency vs thickness

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

3. Thermal stability

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

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.76

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.

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%

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: 020509-2026

Magnet Unit Converter

Magnet pull force

Force in kg

Newtons (N)

Pounds (lbs)

Magnetic Induction

Induction (T)

Put a figure in a single field to see the conversion for all other units immediately.

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Component MPL 25x2x6 / N38 features a flat shape and professional pulling force, making it an ideal solution for building separators and machines. As a block magnet with high power (approx. 2.33 kg), this product is available off-the-shelf from our warehouse in Poland. Additionally, its Ni-Cu-Ni coating secures it against corrosion in standard operating conditions, giving it an aesthetic appearance.

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. To separate the MPL 25x2x6 / 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 wind generators and material handling systems. They work great as invisible mounts under tiles, wood, or glass. Customers often choose this model for workshop organization on strips and for advanced DIY and modeling projects, where precision and power count.

For mounting flat magnets MPL 25x2x6 / N38, we recommend utilizing strong epoxy glues (e.g., UHU Endfest, Distal), which ensure a durable bond with metal or plastic. 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. In practice, this means that this magnet has the greatest attraction force on its main planes (25x2 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: 25 mm (length), 2 mm (width), and 6 mm (thickness). The key parameter here is the holding force amounting to approximately 2.33 kg (force ~22.82 N), which, with such a compact shape, proves the high grade of the material. The protective [NiCuNi] coating secures the magnet against corrosion.

Pros and cons of rare earth magnets.

Strengths

Besides their tremendous strength, neodymium magnets offer the following advantages:

Their magnetic field is maintained, and after around 10 years it decreases only by ~1% (theoretically),
They retain their magnetic properties even under close interference source,
By applying a decorative coating of silver, the element presents an nice look,
Magnets possess extremely high magnetic induction on the outer layer,
Through (adequate) combination of ingredients, they can achieve high thermal strength, enabling operation at temperatures approaching 230°C and above...
Possibility of accurate shaping as well as adjusting to atypical requirements,
Key role in advanced technology sectors – they are used in mass storage devices, electromotive mechanisms, precision medical tools, and technologically advanced constructions.
Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in compact dimensions, which allows their use in miniature devices

Limitations

Disadvantages of neodymium magnets:

To avoid cracks upon strong impacts, we suggest using special steel housings. Such a solution secures the magnet and simultaneously improves its durability.
We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we advise our specialized [AH] magnets, which work effectively even at 230°C.
When exposed to humidity, magnets usually rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which prevent oxidation as well as corrosion.
Due to limitations in realizing threads and complicated shapes in magnets, we recommend using casing - magnetic holder.
Possible danger resulting from small fragments of magnets are risky, if swallowed, which is particularly important in the aspect of protecting the youngest. Furthermore, tiny parts of these magnets can be problematic in diagnostics medical when they are in the body.
Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Pull force analysis

Detachment force of the magnet in optimal conditions – what it depends on?

The specified lifting capacity refers to the limit force, recorded under optimal environment, specifically:

with the application of a yoke made of special test steel, ensuring full magnetic saturation
possessing a thickness of at least 10 mm to avoid saturation
with a plane cleaned and smooth
with total lack of distance (without impurities)
for force acting at a right angle (pull-off, not shear)
at temperature room level

Lifting capacity in practice – influencing factors

In real-world applications, the actual lifting capacity depends on several key aspects, ranked from the most important:

Gap (between the magnet and the metal), since even a microscopic distance (e.g. 0.5 mm) leads to a decrease in force by up to 50% (this also applies to varnish, corrosion or debris).
Force direction – catalog parameter refers to detachment vertically. When applying parallel force, the magnet holds significantly lower power (often approx. 20-30% of nominal force).
Plate thickness – insufficiently thick sheet does not close the flux, causing part of the power to be lost into the air.
Steel grade – ideal substrate is pure iron steel. Cast iron may have worse magnetic properties.
Plate texture – ground elements ensure maximum contact, which increases field saturation. Rough surfaces reduce efficiency.
Heat – NdFeB sinters have a sensitivity to temperature. At higher temperatures they lose power, and in frost they can be stronger (up to a certain limit).

Holding force was tested on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under shearing force the lifting capacity is smaller. Moreover, even a slight gap between the magnet and the plate decreases the load capacity.

Warnings

Magnets are brittle

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

Nickel allergy

Warning for allergy sufferers: The Ni-Cu-Ni coating contains nickel. If skin irritation appears, cease handling magnets and use protective gear.

Crushing force

Large magnets can break fingers in a fraction of a second. Do not place your hand between two attracting surfaces.

Impact on smartphones

An intense magnetic field negatively affects the functioning of compasses in phones and navigation systems. Keep magnets near a device to prevent damaging the sensors.

Warning for heart patients

For implant holders: Powerful magnets disrupt medical devices. Maintain at least 30 cm distance or request help to work with the magnets.

Electronic hazard

Do not bring magnets close to a wallet, laptop, or screen. The magnetic field can destroy these devices and wipe information from cards.

Conscious usage

Use magnets with awareness. Their huge power can shock even experienced users. Stay alert and respect their force.

Machining danger

Powder produced during cutting of magnets is flammable. Do not drill into magnets without proper cooling and knowledge.

Adults only

Neodymium magnets are not intended for children. Eating a few magnets can lead to them attracting across intestines, which poses a critical condition and necessitates immediate surgery.

Operating temperature

Regular neodymium magnets (grade N) lose power when the temperature exceeds 80°C. This process is irreversible.

Security! More info about hazards in the article: Magnet Safety Guide.

MPL 25x2x6 / N38 - lamellar magnet

Detailed specification - MPL 25x2x6 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering modeling of the magnet - technical parameters

Table 1: Static pull force (force vs gap) - power drop MPL 25x2x6 / N38

Table 2: Slippage force (vertical surface) MPL 25x2x6 / N38

Table 3: Wall mounting (shearing) - vertical pull MPL 25x2x6 / N38

Table 4: Material efficiency (substrate influence) - power losses MPL 25x2x6 / N38

Table 5: Thermal resistance (material behavior) - thermal limit MPL 25x2x6 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field range MPL 25x2x6 / N38

Table 7: Safety (HSE) (electronics) - warnings MPL 25x2x6 / N38

Table 8: Dynamics (cracking risk) - warning MPL 25x2x6 / N38

Table 9: Surface protection spec MPL 25x2x6 / N38

Table 10: Electrical data (Pc) MPL 25x2x6 / N38

Table 11: Physics of underwater searching MPL 25x2x6 / N38

1. Vertical hold

2. Efficiency vs thickness

3. Thermal stability

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

Material specification

Environmental data

Magnet pull force

Magnetic Induction

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Pros and cons of rare earth magnets.

Strengths

Limitations

Pull force analysis

Detachment force of the magnet in optimal conditions – what it depends on?

Lifting capacity in practice – influencing factors

Warnings

Magnets are brittle

Nickel allergy

Crushing force

Impact on smartphones

Warning for heart patients

Electronic hazard

Conscious usage

Machining danger

Adults only

Operating temperature

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (force vs gap) - power drop
MPL 25x2x6 / N38

Table 2: Slippage force (vertical surface)
MPL 25x2x6 / N38

Table 3: Wall mounting (shearing) - vertical pull
MPL 25x2x6 / N38

Table 4: Material efficiency (substrate influence) - power losses
MPL 25x2x6 / N38

Table 5: Thermal resistance (material behavior) - thermal limit
MPL 25x2x6 / N38

Table 6: Magnet-Magnet interaction (repulsion) - field range
MPL 25x2x6 / N38

Table 7: Safety (HSE) (electronics) - warnings
MPL 25x2x6 / N38

Table 8: Dynamics (cracking risk) - warning
MPL 25x2x6 / N38

Table 9: Surface protection spec
MPL 25x2x6 / N38

Table 10: Electrical data (P_c)
MPL 25x2x6 / N38

Table 11: Physics of underwater searching
MPL 25x2x6 / N38