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MPL 40x20x10 / 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 020158

GTIN/EAN: 5906301811640

length

40 mm [±0,1 mm]

Width

20 mm [±0,1 mm]

Height

10 mm [±0,1 mm]

Weight

60 g

Magnetization Direction

↑ axial

Load capacity

24.62 kg / 241.53 N

Magnetic Induction

349.60 mT / 3496 Gs

Coating

[NiCuNi] Nickel

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31.00 ZŁ with VAT / pcs + price for transport

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Technical - MPL 40x20x10 / N38 - lamellar magnet

Specification / characteristics - MPL 40x20x10 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020158
GTIN/EAN	5906301811640
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	40 mm [±0,1 mm]
Width	20 mm [±0,1 mm]
Height	10 mm [±0,1 mm]
Weight	60 g
Magnetization Direction	↑ axial
Load capacity ~ ?	24.62 kg / 241.53 N
Magnetic Induction ~ ?	349.60 mT / 3496 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 40x20x10 / 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 analysis of the magnet - technical parameters

Presented data represent the direct effect of a physical analysis. Results are based on models for the material Nd₂Fe₁₄B. Actual parameters might slightly differ. Treat these data as a preliminary roadmap for designers.

Table 1: Static pull force (pull vs distance) - interaction chart
MPL 40x20x10 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	3495 Gs 349.5 mT	24.62 kg / 54.28 lbs 24620.0 g / 241.5 N	crushing
1 mm	3272 Gs 327.2 mT	21.58 kg / 47.57 lbs 21578.0 g / 211.7 N	crushing
2 mm	3035 Gs 303.5 mT	18.56 kg / 40.92 lbs 18559.3 g / 182.1 N	crushing
3 mm	2794 Gs 279.4 mT	15.73 kg / 34.69 lbs 15733.0 g / 154.3 N	crushing
5 mm	2332 Gs 233.2 mT	10.96 kg / 24.16 lbs 10959.2 g / 107.5 N	crushing
10 mm	1433 Gs 143.3 mT	4.14 kg / 9.12 lbs 4136.4 g / 40.6 N	strong
15 mm	891 Gs 89.1 mT	1.60 kg / 3.52 lbs 1598.7 g / 15.7 N	weak grip
20 mm	574 Gs 57.4 mT	0.66 kg / 1.46 lbs 664.0 g / 6.5 N	weak grip
30 mm	267 Gs 26.7 mT	0.14 kg / 0.32 lbs 143.7 g / 1.4 N	weak grip
50 mm	82 Gs 8.2 mT	0.01 kg / 0.03 lbs 13.7 g / 0.1 N	weak grip

Magnetic force weakens sharply per each millimeter of spacing. Remember that even a microscopic distance (e.g., contamination, varnish, rust) significantly diminishes the holding power. Neodymiums hold strongest during direct contact; air break weakens the power. Notice how quickly the load capacity fall, when the magnet does not adhere directly to the metal substrate. When calculating the mounting, avoid redundant distances.

Table 2: Slippage load (vertical surface)
MPL 40x20x10 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	4.92 kg / 10.86 lbs 4924.0 g / 48.3 N
1 mm	Stal (~0.2)	4.32 kg / 9.52 lbs 4316.0 g / 42.3 N
2 mm	Stal (~0.2)	3.71 kg / 8.18 lbs 3712.0 g / 36.4 N
3 mm	Stal (~0.2)	3.15 kg / 6.94 lbs 3146.0 g / 30.9 N
5 mm	Stal (~0.2)	2.19 kg / 4.83 lbs 2192.0 g / 21.5 N
10 mm	Stal (~0.2)	0.83 kg / 1.83 lbs 828.0 g / 8.1 N
15 mm	Stal (~0.2)	0.32 kg / 0.71 lbs 320.0 g / 3.1 N
20 mm	Stal (~0.2)	0.13 kg / 0.29 lbs 132.0 g / 1.3 N
30 mm	Stal (~0.2)	0.03 kg / 0.06 lbs 28.0 g / 0.3 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 2.0 g / 0.0 N

The following data calculates the approximate holding capacity necessary to initiate the shifting of the magnet downwards on a upright steel plate (considering standard friction). This parameter depends on the distance between the magnet and the metal.

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MPL 40x20x10 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	7.39 kg / 16.28 lbs 7386.0 g / 72.5 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	4.92 kg / 10.86 lbs 4924.0 g / 48.3 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	2.46 kg / 5.43 lbs 2462.0 g / 24.2 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	12.31 kg / 27.14 lbs 12310.0 g / 120.8 N

When hanging a element on a upright wall (e.g., a fridge), it will only hold just about 20%-30% of its maximum pull force. Gravity and a low friction coefficient influence the fact that magnets slide down faster than they pop off the substrate. Want to create a vertical fastening? Consider that the shear force is significantly lower than the perpendicular breakaway force. On a painted metal, the holder will slide down under a significantly smaller load. Application of an anti-slip coating can drastically raise the stability.

Table 4: Steel thickness (saturation) - power losses
MPL 40x20x10 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	5%	1.23 kg / 2.71 lbs 1231.0 g / 12.1 N
1 mm	13%	3.08 kg / 6.78 lbs 3077.5 g / 30.2 N
2 mm	25%	6.16 kg / 13.57 lbs 6155.0 g / 60.4 N
3 mm	38%	9.23 kg / 20.35 lbs 9232.5 g / 90.6 N
5 mm	63%	15.39 kg / 33.92 lbs 15387.5 g / 151.0 N
10 mm	100%	24.62 kg / 54.28 lbs 24620.0 g / 241.5 N
11 mm	100%	24.62 kg / 54.28 lbs 24620.0 g / 241.5 N
12 mm	100%	24.62 kg / 54.28 lbs 24620.0 g / 241.5 N

A thin metal plate is not enough to conduct the full magnetic flux, which weakens actual performance of the holder. If you mount a strong magnet to a weak sheet, the flux will pass right through and the holding will be smaller. To squeeze the maximum of this magnet's power, you require a sufficiently solid piece of steel. The saturation effect causes that on thin elements (e.g., appliance housings), the holder holds weaker. We advise picking the steel cross-section from these parameters.

Table 5: Thermal resistance (stability) - resistance threshold
MPL 40x20x10 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	24.62 kg / 54.28 lbs 24620.0 g / 241.5 N	OK
40 °C	-2.2%	24.08 kg / 53.08 lbs 24078.4 g / 236.2 N	OK
60 °C	-4.4%	23.54 kg / 51.89 lbs 23536.7 g / 230.9 N
80 °C	-6.6%	23.00 kg / 50.70 lbs 22995.1 g / 225.6 N
100 °C	-28.8%	17.53 kg / 38.65 lbs 17529.4 g / 172.0 N

Ordinary NdFeB products lose parameters after exceeding the maximum temperature. Avoid high temperatures – heat can irreversibly demagnetize this magnet. With every degree above norm, the neodymium's capacity briefly drops. Refrain from using this product in hot environments exceeding its working range. Exceeding the critical threshold will result in irreversible degradation of magnetic properties.

*Important note: Temperature resistance is determined by both grade, but also on the magnet's shape. Flat magnets (low permeance coefficient) may lose charge permanently sooner than long magnets. Warning indicator in the table indicates a risk of irreversible loss for this particular item.

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MPL 40x20x10 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Lateral Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	60.25 kg / 132.83 lbs 4 926 Gs	9.04 kg / 19.93 lbs 9038 g / 88.7 N	N/A
1 mm	56.58 kg / 124.73 lbs 6 774 Gs	8.49 kg / 18.71 lbs 8487 g / 83.3 N	50.92 kg / 112.26 lbs ~0 Gs
2 mm	52.81 kg / 116.42 lbs 6 544 Gs	7.92 kg / 17.46 lbs 7921 g / 77.7 N	47.53 kg / 104.78 lbs ~0 Gs
3 mm	49.07 kg / 108.19 lbs 6 309 Gs	7.36 kg / 16.23 lbs 7361 g / 72.2 N	44.17 kg / 97.37 lbs ~0 Gs
5 mm	41.89 kg / 92.34 lbs 5 828 Gs	6.28 kg / 13.85 lbs 6283 g / 61.6 N	37.70 kg / 83.11 lbs ~0 Gs
10 mm	26.82 kg / 59.13 lbs 4 664 Gs	4.02 kg / 8.87 lbs 4023 g / 39.5 N	24.14 kg / 53.22 lbs ~0 Gs
20 mm	10.12 kg / 22.32 lbs 2 865 Gs	1.52 kg / 3.35 lbs 1518 g / 14.9 N	9.11 kg / 20.09 lbs ~0 Gs
50 mm	0.73 kg / 1.61 lbs 769 Gs	0.11 kg / 0.24 lbs 109 g / 1.1 N	0.66 kg / 1.45 lbs ~0 Gs
60 mm	0.35 kg / 0.78 lbs 534 Gs	0.05 kg / 0.12 lbs 53 g / 0.5 N	0.32 kg / 0.70 lbs ~0 Gs
70 mm	0.18 kg / 0.40 lbs 383 Gs	0.03 kg / 0.06 lbs 27 g / 0.3 N	0.16 kg / 0.36 lbs ~0 Gs
80 mm	0.10 kg / 0.22 lbs 282 Gs	0.01 kg / 0.03 lbs 15 g / 0.1 N	0.09 kg / 0.20 lbs ~0 Gs
90 mm	0.06 kg / 0.12 lbs 214 Gs	0.01 kg / 0.02 lbs 8 g / 0.1 N	0.05 kg / 0.11 lbs ~0 Gs
100 mm	0.03 kg / 0.07 lbs 165 Gs	0.01 kg / 0.01 lbs 5 g / 0.0 N	0.03 kg / 0.07 lbs ~0 Gs

Two magnets attract each other from a wider radius than a neodymium and metal setup. The setup of two magnets 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. Exercise caution that when bringing together two magnets, the impact force is extreme. The repulsion force is slightly lower than the attraction, but still large.
*Field value in repulsion mode drops to ~0 Gs in the exact middle of the gap (due to field cancellation).
Important: Calculations apply to shear force of two same magnets (friction coefficient ~0.15 for Ni-Ni plating).

Table 7: Hazards (electronics) - precautionary measures
MPL 40x20x10 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	14.5 cm
Hearing aid	10 Gs (1.0 mT)	11.5 cm
Timepiece	20 Gs (2.0 mT)	9.0 cm
Mobile device	40 Gs (4.0 mT)	7.0 cm
Car key	50 Gs (5.0 mT)	6.5 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 electronics as well as pacemakers. These NdFeB products produce a field that destroys function of sensitive medical devices. Be aware: the invisible magnetic field passes through tissues and glass. Increased vigilance must be taken by people with hearing aids and drug dispensers. Influence will be felt by: mechanical watches, remotes, speakers, and displays. Do not bring the product near payment cards, HDD media, or precise measuring instruments.

Table 8: Dynamics (cracking risk) - collision effects
MPL 40x20x10 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	22.47 km/h (6.24 m/s)	1.17 J
30 mm	35.51 km/h (9.86 m/s)	2.92 J
50 mm	45.70 km/h (12.69 m/s)	4.83 J
100 mm	64.60 km/h (17.95 m/s)	9.66 J

Magnetic elements are prone to chipping – a strong collision with metal risks their cracking. Watch the impact speed – a magnet released freely turns into a projectile. Striking energy can trigger coating fragments or dangerous crushing to skin. Hold the magnet firmly during mounting so it doesn't slam with momentum against the metal. A contact at a velocity of dozens of km/h almost guarantees destruction of the neodymium. Wear safety glasses when playing with large magnets.

Table 9: Anti-corrosion coating durability
MPL 40x20x10 / 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. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Construction data (Flux)
MPL 40x20x10 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	28 125 Mx	281.2 µWb
P_c Coefficient	0.42	Low (Flat)

Flux value passing through the pole surface. Key data in coil applications and motors. P_c value determines the working geometry.

Table 11: Hydrostatics and buoyancy
MPL 40x20x10 / N38

Environment	Effective steel pull	Effect
Air (land)	24.62 kg	Standard
Water (riverbed)	28.19 kg (+3.57 kg buoyancy gain)	+14.5%

Rust risk: Remember to wipe the magnet thoroughly after removing it from water and apply a protective layer (e.g., oil) to avoid corrosion.

The magnetic field penetrates through water without any losses. Note: for permanent underwater work, we recommend magnets with an anti-corrosive (epoxy) coating.

1. Vertical hold

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

2. Steel saturation

*Thin steel (e.g. 0.5mm PC case) significantly limits the holding force.

3. Heat tolerance

*For N38 grade, the max working temp is 80°C.

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.42

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 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

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: 020158-2026

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This product is an extremely strong plate magnet made of NdFeB material, which, with dimensions of 40x20x10 mm and a weight of 60 g, guarantees the highest quality connection. This rectangular block with a force of 241.53 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.

The key to success is shifting 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 40x20x10 / N38 model, firmly slide one magnet over the edge of the other until the attraction force decreases. We recommend extreme caution, because after separation, the magnets may want to violently snap back together, which threatens pinching the skin. Using a screwdriver risks destroying the coating and permanently cracking the magnet.

Plate magnets MPL 40x20x10 / N38 are the foundation for many industrial devices, such as filters catching filings and linear motors. Thanks to the flat surface and high force (approx. 24.62 kg), they are ideal as hidden locks in furniture making and mounting elements in automation. 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. Remember to clean and degrease 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. 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: 40 mm (length), 20 mm (width), and 10 mm (thickness). It is a magnetic block with dimensions 40x20x10 mm and a self-weight of 60 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Advantages as well as disadvantages of Nd₂Fe₁₄B magnets.

Strengths

Apart from their notable magnetism, neodymium magnets have these key benefits:

They retain magnetic properties for almost 10 years – the drop is just ~1% (in theory),
Magnets effectively defend themselves against demagnetization caused by foreign field sources,
By applying a lustrous layer of gold, the element acquires an nice look,
Magnetic induction on the working part of the magnet remains impressive,
Through (appropriate) combination of ingredients, they can achieve high thermal resistance, allowing for action at temperatures reaching 230°C and above...
Due to the ability of precise molding and customization to unique requirements, magnetic components can be created in a variety of geometric configurations, which amplifies use scope,
Significant place in innovative solutions – they are commonly used in data components, electric motors, medical equipment, and technologically advanced constructions.
Compactness – despite small sizes they offer powerful magnetic field, making them ideal for precision applications

Limitations

Problematic aspects of neodymium magnets: weaknesses and usage proposals

They are prone to damage upon heavy impacts. To avoid cracks, it is worth securing magnets using a steel holder. Such protection not only protects the magnet but also improves its resistance to damage
When exposed to high temperature, neodymium magnets experience a drop in force. Often, when the temperature exceeds 80°C, their power decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
Magnets exposed to a humid environment can corrode. Therefore when using outdoors, we suggest using water-impermeable magnets made of rubber, plastic or other material protecting against moisture
Limited possibility of producing nuts in the magnet and complicated forms - preferred is cover - mounting mechanism.
Possible danger to health – tiny shards of magnets are risky, in case of ingestion, which gains importance in the aspect of protecting the youngest. Additionally, tiny parts of these products can complicate diagnosis medical after entering the body.
Higher cost of purchase is one of the disadvantages compared to ceramic magnets, especially in budget applications

Holding force characteristics

Maximum holding power of the magnet – what it depends on?

Breakaway force was defined for optimal configuration, assuming:

with the use of a sheet made of low-carbon steel, guaranteeing full magnetic saturation
whose transverse dimension equals approx. 10 mm
with an ground touching surface
under conditions of ideal adhesion (metal-to-metal)
under vertical application of breakaway force (90-degree angle)
at ambient temperature approx. 20 degrees Celsius

Magnet lifting force in use – key factors

In real-world applications, the actual holding force depends on several key aspects, ranked from crucial:

Clearance – existence of foreign body (rust, tape, gap) acts as an insulator, which lowers capacity rapidly (even by 50% at 0.5 mm).
Angle of force application – highest force is obtained only during perpendicular pulling. The force required to slide of the magnet along the plate is typically many times smaller (approx. 1/5 of the lifting capacity).
Element thickness – to utilize 100% power, the steel must be sufficiently thick. Thin sheet limits the lifting capacity (the magnet "punches through" it).
Steel type – low-carbon steel attracts best. Alloy steels lower magnetic properties and lifting capacity.
Surface quality – the more even the plate, the better the adhesion and higher the lifting capacity. Roughness creates an air distance.
Thermal environment – temperature increase results in weakening of force. It is worth remembering the maximum operating temperature for a given model.

Lifting capacity was determined using a smooth steel plate of suitable thickness (min. 20 mm), under perpendicular pulling force, however under attempts to slide the magnet the load capacity is reduced by as much as 5 times. Moreover, even a small distance between the magnet’s surface and the plate lowers the holding force.

Safety rules for work with neodymium magnets

Life threat

For implant holders: Powerful magnets affect electronics. Keep minimum 30 cm distance or ask another person to work with the magnets.

Respect the power

Before starting, read the rules. Uncontrolled attraction can destroy the magnet or hurt your hand. Think ahead.

Heat sensitivity

Keep cool. Neodymium magnets are susceptible to temperature. If you need operation above 80°C, inquire about special high-temperature series (H, SH, UH).

Threat to navigation

GPS units and smartphones are extremely susceptible to magnetism. Close proximity with a powerful NdFeB magnet can permanently damage the internal compass in your phone.

Dust explosion hazard

Powder generated during machining of magnets is flammable. Avoid drilling into magnets without proper cooling and knowledge.

Risk of cracking

Beware of splinters. Magnets can explode upon violent connection, ejecting sharp fragments into the air. We recommend safety glasses.

Product not for children

Product intended for adults. Tiny parts pose a choking risk, causing severe trauma. Store away from children and animals.

Magnetic media

Data protection: Neodymium magnets can damage data carriers and delicate electronics (pacemakers, hearing aids, timepieces).

Finger safety

Large magnets can smash fingers in a fraction of a second. Under no circumstances place your hand between two strong magnets.

Nickel allergy

Medical facts indicate that the nickel plating (the usual finish) is a potent allergen. If your skin reacts to metals, refrain from direct skin contact and choose coated magnets.

Caution! More info about risks in the article: Magnet Safety Guide.

MPL 40x20x10 / N38 - lamellar magnet

Technical - MPL 40x20x10 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering analysis of the magnet - technical parameters

Table 1: Static pull force (pull vs distance) - interaction chart MPL 40x20x10 / N38

Table 2: Slippage load (vertical surface) MPL 40x20x10 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces MPL 40x20x10 / N38

Table 4: Steel thickness (saturation) - power losses MPL 40x20x10 / N38

Table 5: Thermal resistance (stability) - resistance threshold MPL 40x20x10 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system MPL 40x20x10 / N38

Table 7: Hazards (electronics) - precautionary measures MPL 40x20x10 / N38

Table 8: Dynamics (cracking risk) - collision effects MPL 40x20x10 / N38

Table 9: Anti-corrosion coating durability MPL 40x20x10 / N38

Table 10: Construction data (Flux) MPL 40x20x10 / N38

Table 11: Hydrostatics and buoyancy MPL 40x20x10 / N38

1. Vertical hold

2. Steel saturation

3. Heat tolerance

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

Elemental analysis

Ecology and recycling (GPSR)

Magnet pull force

Magnetic Induction

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MPL 20x10x1 / N38 - lamellar magnet

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MPL 15x2x30 / N38 - lamellar magnet

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Advantages as well as disadvantages of Nd2Fe14B magnets.

Strengths

Limitations

Holding force characteristics

Maximum holding power of the magnet – what it depends on?

Magnet lifting force in use – key factors

Safety rules for work with neodymium magnets

Life threat

Respect the power

Heat sensitivity

Threat to navigation

Dust explosion hazard

Risk of cracking

Product not for children

Magnetic media

Finger safety

Nickel allergy

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (pull vs distance) - interaction chart
MPL 40x20x10 / N38

Table 2: Slippage load (vertical surface)
MPL 40x20x10 / N38

Table 3: Vertical assembly (shearing) - behavior on slippery surfaces
MPL 40x20x10 / N38

Table 4: Steel thickness (saturation) - power losses
MPL 40x20x10 / N38

Table 5: Thermal resistance (stability) - resistance threshold
MPL 40x20x10 / N38

Table 6: Magnet-Magnet interaction (repulsion) - forces in the system
MPL 40x20x10 / N38

Table 7: Hazards (electronics) - precautionary measures
MPL 40x20x10 / N38

Table 8: Dynamics (cracking risk) - collision effects
MPL 40x20x10 / N38

Table 9: Anti-corrosion coating durability
MPL 40x20x10 / N38

Table 10: Construction data (Flux)
MPL 40x20x10 / N38

Table 11: Hydrostatics and buoyancy
MPL 40x20x10 / N38

Advantages as well as disadvantages of Nd₂Fe₁₄B magnets.