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MPL 42x20x5 / 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 020163

GTIN/EAN: 5906301811695

5.00

length

42 mm [±0,1 mm]

Width

20 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

31.5 g

Magnetization Direction

↑ axial

Load capacity

11.06 kg / 108.46 N

Magnetic Induction

203.37 mT / 2034 Gs

Coating

[NiCuNi] Nickel

see specifications »

15.62 ZŁ with VAT / pcs + price for transport

12.70 ZŁ net + 23% VAT / pcs

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Detailed specification - MPL 42x20x5 / N38 - lamellar magnet

Specification / characteristics - MPL 42x20x5 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020163
GTIN/EAN	5906301811695
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	42 mm [±0,1 mm]
Width	20 mm [±0,1 mm]
Height	5 mm [±0,1 mm]
Weight	31.5 g
Magnetization Direction	↑ axial
Load capacity ~ ?	11.06 kg / 108.46 N
Magnetic Induction ~ ?	203.37 mT / 2034 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 42x20x5 / 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

Physical modeling of the magnet - report

The following values constitute the outcome of a mathematical calculation. Values rely on models for the class Nd₂Fe₁₄B. Actual performance might slightly differ. Please consider these calculations as a reference point for designers.

Table 1: Static pull force (force vs gap) - interaction chart
MPL 42x20x5 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	2033 Gs 203.3 mT	11.06 kg / 24.38 LBS 11060.0 g / 108.5 N	critical level
1 mm	1938 Gs 193.8 mT	10.05 kg / 22.15 LBS 10049.3 g / 98.6 N	critical level
2 mm	1823 Gs 182.3 mT	8.89 kg / 19.60 LBS 8888.2 g / 87.2 N	medium risk
3 mm	1696 Gs 169.6 mT	7.69 kg / 16.96 LBS 7691.7 g / 75.5 N	medium risk
5 mm	1433 Gs 143.3 mT	5.49 kg / 12.10 LBS 5490.3 g / 53.9 N	medium risk
10 mm	885 Gs 88.5 mT	2.09 kg / 4.62 LBS 2093.5 g / 20.5 N	medium risk
15 mm	547 Gs 54.7 mT	0.80 kg / 1.76 LBS 799.6 g / 7.8 N	low risk
20 mm	350 Gs 35.0 mT	0.33 kg / 0.72 LBS 327.0 g / 3.2 N	low risk
30 mm	160 Gs 16.0 mT	0.07 kg / 0.15 LBS 68.5 g / 0.7 N	low risk
50 mm	48 Gs 4.8 mT	0.01 kg / 0.01 LBS 6.2 g / 0.1 N	low risk

Magnetic force drops sharply with every mm of gap. Keep in mind that every additional insulation layer (e.g., contamination, varnish, rust) strongly weakens the grip. Magnets operate strongest in perfect adhesion; distance drastically cuts the force. Analyze how flashily the parameters plummet, when the magnet does not touch directly to the metal substrate. When designing the arrangement, discard redundant distances.

Table 2: Vertical hold (vertical surface)
MPL 42x20x5 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	2.21 kg / 4.88 LBS 2212.0 g / 21.7 N
1 mm	Stal (~0.2)	2.01 kg / 4.43 LBS 2010.0 g / 19.7 N
2 mm	Stal (~0.2)	1.78 kg / 3.92 LBS 1778.0 g / 17.4 N
3 mm	Stal (~0.2)	1.54 kg / 3.39 LBS 1538.0 g / 15.1 N
5 mm	Stal (~0.2)	1.10 kg / 2.42 LBS 1098.0 g / 10.8 N
10 mm	Stal (~0.2)	0.42 kg / 0.92 LBS 418.0 g / 4.1 N
15 mm	Stal (~0.2)	0.16 kg / 0.35 LBS 160.0 g / 1.6 N
20 mm	Stal (~0.2)	0.07 kg / 0.15 LBS 66.0 g / 0.6 N
30 mm	Stal (~0.2)	0.01 kg / 0.03 LBS 14.0 g / 0.1 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 LBS 2.0 g / 0.0 N

This section calculates the theoretical holding capacity necessary to start the shifting of the magnet vertically along a vertical steel plate (assuming typical friction coefficient). This parameter varies with the separation distance between the magnet and the metal.

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MPL 42x20x5 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	3.32 kg / 7.31 LBS 3318.0 g / 32.5 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	2.21 kg / 4.88 LBS 2212.0 g / 21.7 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	1.11 kg / 2.44 LBS 1106.0 g / 10.8 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	5.53 kg / 12.19 LBS 5530.0 g / 54.2 N

When placing a holder on a upright surface (e.g., a board), it will maintain barely about 1/5 of nominal attraction strength. Gravitational force and a low friction coefficient cause that magnets slip easier than they pull off. Want to create a wall mount? Note that the sliding force is much weaker than the perpendicular breakaway force. On a smooth steel, the element will slip down under a significantly smaller weight. Application of an anti-slip coating can drastically raise the stability.

Table 4: Steel thickness (saturation) - sheet metal selection
MPL 42x20x5 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	5%	0.55 kg / 1.22 LBS 553.0 g / 5.4 N
1 mm	13%	1.38 kg / 3.05 LBS 1382.5 g / 13.6 N
2 mm	25%	2.77 kg / 6.10 LBS 2765.0 g / 27.1 N
3 mm	38%	4.15 kg / 9.14 LBS 4147.5 g / 40.7 N
5 mm	63%	6.91 kg / 15.24 LBS 6912.5 g / 67.8 N
10 mm	100%	11.06 kg / 24.38 LBS 11060.0 g / 108.5 N
11 mm	100%	11.06 kg / 24.38 LBS 11060.0 g / 108.5 N
12 mm	100%	11.06 kg / 24.38 LBS 11060.0 g / 108.5 N

A too thin steel is not enough to take in the full magnetic flux, which squanders power of the magnet. Should you mount a strong magnet to a thin surface, the flux will pass right through and the pull force will drop sharply. To squeeze full efficiency of this neodymium's potential, you require a sufficiently solid backing of metal. The saturation phenomenon means that on sheet metal structures (e.g., appliance housings), the magnet works worse. We recommend selecting the steel cross-section from these parameters.

Table 5: Thermal resistance (material behavior) - thermal limit
MPL 42x20x5 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	11.06 kg / 24.38 LBS 11060.0 g / 108.5 N	OK
40 °C	-2.2%	10.82 kg / 23.85 LBS 10816.7 g / 106.1 N	OK
60 °C	-4.4%	10.57 kg / 23.31 LBS 10573.4 g / 103.7 N
80 °C	-6.6%	10.33 kg / 22.77 LBS 10330.0 g / 101.3 N
100 °C	-28.8%	7.87 kg / 17.36 LBS 7874.7 g / 77.3 N

Ordinary NdFeB products change their properties power above the temperature limit. Avoid high temperatures – heat can permanently destroy this product. As the temperature rises, the neodymium's power momentarily lowers. Refrain from using this magnet near heat sources exceeding its working range. Exceeding the critical threshold will cause irreversible degradation of magnetic properties.

*Important note: Temperature resistance is determined by both grade, as well as the dimension ratios. Thin magnets (pancake types) may lose charge permanently at lower temperatures than taller cylinders. Warning indicator in the table indicates a risk of irreversible loss for this specific geometry.

Table 6: Magnet-Magnet interaction (attraction) - field collision
MPL 42x20x5 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Lateral Force (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	21.41 kg / 47.21 LBS 3 465 Gs	3.21 kg / 7.08 LBS 3212 g / 31.5 N	N/A
1 mm	20.49 kg / 45.17 LBS 3 978 Gs	3.07 kg / 6.78 LBS 3074 g / 30.2 N	18.44 kg / 40.66 LBS ~0 Gs
2 mm	19.46 kg / 42.89 LBS 3 877 Gs	2.92 kg / 6.43 LBS 2918 g / 28.6 N	17.51 kg / 38.60 LBS ~0 Gs
3 mm	18.35 kg / 40.46 LBS 3 765 Gs	2.75 kg / 6.07 LBS 2753 g / 27.0 N	16.52 kg / 36.41 LBS ~0 Gs
5 mm	16.05 kg / 35.38 LBS 3 521 Gs	2.41 kg / 5.31 LBS 2407 g / 23.6 N	14.44 kg / 31.84 LBS ~0 Gs
10 mm	10.63 kg / 23.43 LBS 2 865 Gs	1.59 kg / 3.52 LBS 1594 g / 15.6 N	9.57 kg / 21.09 LBS ~0 Gs
20 mm	4.05 kg / 8.94 LBS 1 769 Gs	0.61 kg / 1.34 LBS 608 g / 6.0 N	3.65 kg / 8.04 LBS ~0 Gs
50 mm	0.28 kg / 0.62 LBS 465 Gs	0.04 kg / 0.09 LBS 42 g / 0.4 N	0.25 kg / 0.55 LBS ~0 Gs
60 mm	0.13 kg / 0.29 LBS 320 Gs	0.02 kg / 0.04 LBS 20 g / 0.2 N	0.12 kg / 0.26 LBS ~0 Gs
70 mm	0.07 kg / 0.15 LBS 228 Gs	0.01 kg / 0.02 LBS 10 g / 0.1 N	0.06 kg / 0.13 LBS ~0 Gs
80 mm	0.04 kg / 0.08 LBS 167 Gs	0.01 kg / 0.01 LBS 5 g / 0.1 N	0.03 kg / 0.07 LBS ~0 Gs
90 mm	0.02 kg / 0.04 LBS 125 Gs	0.00 kg / 0.01 LBS 3 g / 0.0 N	0.02 kg / 0.04 LBS ~0 Gs
100 mm	0.01 kg / 0.03 LBS 96 Gs	0.00 kg / 0.00 LBS 2 g / 0.0 N	0.01 kg / 0.02 LBS ~0 Gs

Two magnets attract each other from a significantly greater distance than a magnet and sheet combination. The setup of two magnets creates a more powerful interaction and a wider radius of action. Designing a strong closure? Use a pair of magnets instead of one magnet and a striker plate. Be careful that when bringing together two magnets, the collision energy is extreme. The repulsion force is marginally weaker than the connection force, but still large.
*The magnetic induction in repulsion mode drops to ~0 Gs in the exact middle of the gap (resulting from vector opposition).
Attention: Results demonstrate sliding force of a pair of identical neodymium magnets (friction coefficient ~0.15 for Ni-Ni layer).

Table 7: Hazards (electronics) - warnings
MPL 42x20x5 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	11.5 cm
Hearing aid	10 Gs (1.0 mT)	9.0 cm
Mechanical watch	20 Gs (2.0 mT)	7.0 cm
Phone / Smartphone	40 Gs (4.0 mT)	5.5 cm
Car key	50 Gs (5.0 mT)	5.0 cm
Payment card	400 Gs (40.0 mT)	2.0 cm
HDD hard drive	600 Gs (60.0 mT)	1.5 cm

Extremely neodym field poses a real danger to IT equipment and pacemakers. These NdFeB products generate a field that destroys function of digital equipment. Be aware: the unseen radiation acts through matter and plastic. Increased vigilance must be taken by people with hearing aids and drug dispensers. The risk also applies to: mechanical watches, remotes, speakers, and displays. Do not bring the product near payment cards, HDD media, or sensitive navigation tools.

Table 8: Collisions (kinetic energy) - collision effects
MPL 42x20x5 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	21.01 km/h (5.84 m/s)	0.54 J
30 mm	32.86 km/h (9.13 m/s)	1.31 J
50 mm	42.27 km/h (11.74 m/s)	2.17 J
100 mm	59.76 km/h (16.60 m/s)	4.34 J

Magnetic elements are very brittle – a collision with steel risks their cracking. Watch the impact speed – a magnet released freely speeds with massive force. Kinetic force can cause material chips or injury to fingers. Be sure to control the product during installation so it doesn't slam with momentum against the steel surface. A collision at high speed ends with a crack of the neodymium. Wear safety glasses when playing with large magnets.

Table 9: Corrosion resistance
MPL 42x20x5 / 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)

For outdoor applications, an epoxy coating is required; standard nickel is intended for indoor use. Improper coating selection is the most common cause of magnet failure over time.

Table 10: Electrical data (P_c)
MPL 42x20x5 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	18 614 Mx	186.1 µWb
P_c Coefficient	0.23	Low (Flat)

Flux value emitted by the pole surface. Essential parameter when building generators and motors. P_c value determines the magnet's operating point.

Table 11: Hydrostatics and buoyancy
MPL 42x20x5 / N38

Environment	Effective steel pull	Effect
Air (land)	11.06 kg	Standard
Water (riverbed)	12.66 kg (+1.60 kg buoyancy gain)	+14.5%

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

Contrary to myths, water does not block the magnetic field. However, remember the water resistance when pulling the rope quickly.

1. Vertical hold

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

2. Efficiency vs thickness

*Thin steel (e.g. computer case) drastically weakens the holding force.

3. Thermal stability

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

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

chart generated for the permeance coefficient P_c (Permeance Coefficient) = 0.23

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

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: 020163-2026

Quick Unit Converter

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Component MPL 42x20x5 / N38 features a flat shape and industrial pulling force, making it an ideal solution for building separators and machines. As a block magnet with high power (approx. 11.06 kg), this product is available off-the-shelf from our warehouse in Poland. The durable anti-corrosion layer ensures a long lifespan in a dry environment, protecting the core from oxidation.

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 11.06 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.

Plate magnets MPL 42x20x5 / 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. 11.06 kg), they are ideal as closers in furniture making and mounting elements in automation. Their rectangular shape facilitates precise gluing into milled sockets in wood or plastic.

For mounting flat magnets MPL 42x20x5 / N38, it is best to use 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).

Standardly, the MPL 42x20x5 / N38 model is magnetized axially (dimension 5 mm), which means that the N and S poles are located on its largest, flat surfaces. In practice, this means that this magnet has the greatest attraction force on its main planes (42x20 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.

This model is characterized by dimensions 42x20x5 mm, which, at a weight of 31.5 g, makes it an element with high energy density. The key parameter here is the lifting capacity amounting to approximately 11.06 kg (force ~108.46 N), which, with such a compact shape, proves the high grade of the material. The product meets the standards for N38 grade magnets.

Advantages as well as disadvantages of rare earth magnets.

Benefits

In addition to their magnetic capacity, neodymium magnets provide the following advantages:

Their power remains stable, and after approximately ten years it drops only by ~1% (according to research),
Magnets perfectly defend themselves against demagnetization caused by external fields,
Thanks to the glossy finish, the surface of nickel, gold-plated, or silver gives an modern appearance,
Magnetic induction on the working part of the magnet turns out to be strong,
Through (adequate) combination of ingredients, they can achieve high thermal strength, enabling operation at temperatures approaching 230°C and above...
Thanks to flexibility in forming and the capacity to modify to client solutions,
Significant place in advanced technology sectors – they are commonly used in computer drives, electric drive systems, diagnostic systems, as well as other advanced devices.
Thanks to concentrated force, small magnets offer high operating force, with minimal size,

Weaknesses

Drawbacks and weaknesses of neodymium magnets: weaknesses and usage proposals

They are fragile upon too strong impacts. To avoid cracks, it is worth securing magnets in a protective case. Such protection not only shields the magnet but also increases its resistance to damage
When exposed to high temperature, neodymium magnets experience a drop in strength. 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 rust. Therefore during using outdoors, we recommend using water-impermeable magnets made of rubber, plastic or other material protecting against moisture
Limited possibility of making threads in the magnet and complex shapes - preferred is casing - magnet mounting.
Potential hazard to health – tiny shards of magnets can be dangerous, if swallowed, which is particularly important in the aspect of protecting the youngest. Additionally, small elements of these devices are able to disrupt the diagnostic process medical when they are in the body.
Due to expensive raw materials, their price is higher than average,

Lifting parameters

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

Holding force of 11.06 kg is a result of laboratory testing performed under the following configuration:

on a block made of structural steel, perfectly concentrating the magnetic flux
whose thickness equals approx. 10 mm
characterized by even structure
without the slightest insulating layer between the magnet and steel
for force applied at a right angle (pull-off, not shear)
at temperature room level

Magnet lifting force in use – key factors

Please note that the application force may be lower subject to the following factors, starting with the most relevant:

Distance (between the magnet and the plate), since even a tiny clearance (e.g. 0.5 mm) can cause a reduction in force by up to 50% (this also applies to paint, rust or dirt).
Force direction – declared lifting capacity refers to pulling vertically. When attempting to slide, the magnet holds much less (typically approx. 20-30% of nominal force).
Base massiveness – too thin steel causes magnetic saturation, causing part of the flux to be wasted into the air.
Material composition – not every steel attracts identically. Alloy additives weaken the attraction effect.
Plate texture – smooth surfaces ensure maximum contact, which increases force. Uneven metal reduce efficiency.
Thermal environment – heating the magnet results in weakening of induction. Check the maximum operating temperature for a given model.

Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under a perpendicular pulling force, in contrast under parallel forces the holding force is lower. Moreover, even a slight gap between the magnet and the plate lowers the lifting capacity.

Safe handling of neodymium magnets

Danger to pacemakers

People with a pacemaker must keep an safe separation from magnets. The magnetism can disrupt the functioning of the life-saving device.

Physical harm

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

Skin irritation risks

It is widely known that nickel (standard magnet coating) is a strong allergen. If your skin reacts to metals, avoid direct skin contact and opt for encased magnets.

Magnetic interference

Remember: neodymium magnets generate a field that disrupts sensitive sensors. Maintain a safe distance from your phone, tablet, and navigation systems.

Risk of cracking

Beware of splinters. Magnets can explode upon uncontrolled impact, ejecting sharp fragments into the air. Eye protection is mandatory.

Powerful field

Before starting, check safety instructions. Sudden snapping can destroy the magnet or injure your hand. Think ahead.

No play value

Adult use only. Tiny parts pose a choking risk, causing intestinal necrosis. Keep away from children and animals.

Power loss in heat

Standard neodymium magnets (N-type) lose power when the temperature exceeds 80°C. Damage is permanent.

Electronic devices

Equipment safety: Neodymium magnets can ruin payment cards and sensitive devices (pacemakers, medical aids, timepieces).

Dust is flammable

Combustion risk: Neodymium dust is highly flammable. Avoid machining magnets in home conditions as this may cause fire.

Warning! Looking for details? Read our article: Why are neodymium magnets dangerous?

MPL 42x20x5 / N38 - lamellar magnet

Detailed specification - MPL 42x20x5 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Physical modeling of the magnet - report

Table 1: Static pull force (force vs gap) - interaction chart MPL 42x20x5 / N38

Table 2: Vertical hold (vertical surface) MPL 42x20x5 / N38

Table 3: Wall mounting (sliding) - behavior on slippery surfaces MPL 42x20x5 / N38

Table 4: Steel thickness (saturation) - sheet metal selection MPL 42x20x5 / N38

Table 5: Thermal resistance (material behavior) - thermal limit MPL 42x20x5 / N38

Table 6: Magnet-Magnet interaction (attraction) - field collision MPL 42x20x5 / N38

Table 7: Hazards (electronics) - warnings MPL 42x20x5 / N38

Table 8: Collisions (kinetic energy) - collision effects MPL 42x20x5 / N38

Table 9: Corrosion resistance MPL 42x20x5 / N38

Table 10: Electrical data (Pc) MPL 42x20x5 / N38

Table 11: Hydrostatics and buoyancy MPL 42x20x5 / N38

1. Vertical hold

2. Efficiency vs thickness

3. Thermal stability

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

Elemental analysis

Ecology and recycling (GPSR)

Pulling force

Field Strength

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Advantages as well as disadvantages of rare earth magnets.

Benefits

Weaknesses

Lifting parameters

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

Magnet lifting force in use – key factors

Safe handling of neodymium magnets

Danger to pacemakers

Physical harm

Skin irritation risks

Magnetic interference

Risk of cracking

Powerful field

No play value

Power loss in heat

Electronic devices

Dust is flammable

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static pull force (force vs gap) - interaction chart
MPL 42x20x5 / N38

Table 2: Vertical hold (vertical surface)
MPL 42x20x5 / N38

Table 3: Wall mounting (sliding) - behavior on slippery surfaces
MPL 42x20x5 / N38

Table 4: Steel thickness (saturation) - sheet metal selection
MPL 42x20x5 / N38

Table 5: Thermal resistance (material behavior) - thermal limit
MPL 42x20x5 / N38

Table 6: Magnet-Magnet interaction (attraction) - field collision
MPL 42x20x5 / N38

Table 7: Hazards (electronics) - warnings
MPL 42x20x5 / N38

Table 8: Collisions (kinetic energy) - collision effects
MPL 42x20x5 / N38

Table 9: Corrosion resistance
MPL 42x20x5 / N38

Table 10: Electrical data (P_c)
MPL 42x20x5 / N38

Table 11: Hydrostatics and buoyancy
MPL 42x20x5 / N38