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MPL 30x20x5 / 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 020143

GTIN/EAN: 5906301811497

5.00

length

30 mm [±0,1 mm]

Width

20 mm [±0,1 mm]

Height

5 mm [±0,1 mm]

Weight

22.5 g

Magnetization Direction

↑ axial

Load capacity

8.86 kg / 86.90 N

Magnetic Induction

220.03 mT / 2200 Gs

Coating

[NiCuNi] Nickel

technical specifications »

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Technical of the product - MPL 30x20x5 / N38 - lamellar magnet

Specification / characteristics - MPL 30x20x5 / N38 - lamellar magnet

properties

properties	values
Cat. no.	020143
GTIN/EAN	5906301811497
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	30 mm [±0,1 mm]
Width	20 mm [±0,1 mm]
Height	5 mm [±0,1 mm]
Weight	22.5 g
Magnetization Direction	↑ axial
Load capacity ~ ?	8.86 kg / 86.90 N
Magnetic Induction ~ ?	220.03 mT / 2200 Gs
Coating	[NiCuNi] Nickel
Manufacturing Tolerance	±0.1 mm

Magnetic properties of material N38

Specification / characteristics MPL 30x20x5 / 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 product - report

The following values are the result of a physical calculation. Values were calculated on algorithms for the class Nd₂Fe₁₄B. Real-world conditions may differ from theoretical values. Treat these calculations as a preliminary roadmap during assembly planning.

Table 1: Static force (pull vs gap) - interaction chart
MPL 30x20x5 / N38

Distance (mm)	Induction (Gauss) / mT	Pull Force (kg/lbs/g/N)	Risk Status
0 mm	2200 Gs 220.0 mT	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N	medium risk
1 mm	2092 Gs 209.2 mT	8.01 kg / 17.67 lbs 8013.9 g / 78.6 N	medium risk
2 mm	1961 Gs 196.1 mT	7.04 kg / 15.53 lbs 7042.1 g / 69.1 N	medium risk
3 mm	1817 Gs 181.7 mT	6.04 kg / 13.32 lbs 6041.8 g / 59.3 N	medium risk
5 mm	1516 Gs 151.6 mT	4.21 kg / 9.28 lbs 4209.6 g / 41.3 N	medium risk
10 mm	892 Gs 89.2 mT	1.46 kg / 3.21 lbs 1456.2 g / 14.3 N	safe
15 mm	519 Gs 51.9 mT	0.49 kg / 1.09 lbs 492.4 g / 4.8 N	safe
20 mm	313 Gs 31.3 mT	0.18 kg / 0.40 lbs 179.8 g / 1.8 N	safe
30 mm	132 Gs 13.2 mT	0.03 kg / 0.07 lbs 31.9 g / 0.3 N	safe
50 mm	37 Gs 3.7 mT	0.00 kg / 0.01 lbs 2.5 g / 0.0 N	safe

Magnetic force decreases drastically per each millimeter of gap. Keep in mind that even a microscopic distance (e.g., dirt, varnish, rust) significantly reduces the pull force. Magnets work optimally in perfect adhesion; distance weakens the power. See how rapidly the load capacity fall, when the product does not touch tightly to the metal substrate. When designing the mounting, discard additional spacers.

Table 2: Sliding hold (vertical surface)
MPL 30x20x5 / N38

Distance (mm)	Friction coefficient	Pull Force (kg/lbs/g/N)
0 mm	Stal (~0.2)	1.77 kg / 3.91 lbs 1772.0 g / 17.4 N
1 mm	Stal (~0.2)	1.60 kg / 3.53 lbs 1602.0 g / 15.7 N
2 mm	Stal (~0.2)	1.41 kg / 3.10 lbs 1408.0 g / 13.8 N
3 mm	Stal (~0.2)	1.21 kg / 2.66 lbs 1208.0 g / 11.9 N
5 mm	Stal (~0.2)	0.84 kg / 1.86 lbs 842.0 g / 8.3 N
10 mm	Stal (~0.2)	0.29 kg / 0.64 lbs 292.0 g / 2.9 N
15 mm	Stal (~0.2)	0.10 kg / 0.22 lbs 98.0 g / 1.0 N
20 mm	Stal (~0.2)	0.04 kg / 0.08 lbs 36.0 g / 0.4 N
30 mm	Stal (~0.2)	0.01 kg / 0.01 lbs 6.0 g / 0.1 N
50 mm	Stal (~0.2)	0.00 kg / 0.00 lbs 0.0 g / 0.0 N

The table below shows the estimated holding capacity necessary to initiate the shifting of the magnet downwards on a upright metal surface (considering standard friction coefficient). This parameter depends on the distance between the magnet and the metal.

Table 3: Vertical assembly (shearing) - vertical pull
MPL 30x20x5 / N38

Surface type	Friction coefficient / % Mocy	Max load (kg/lbs/g/N)
Raw steel	µ = 0.3 30% Nominalnej Siły	2.66 kg / 5.86 lbs 2658.0 g / 26.1 N
Painted steel (standard)	µ = 0.2 20% Nominalnej Siły	1.77 kg / 3.91 lbs 1772.0 g / 17.4 N
Oily/slippery steel	µ = 0.1 10% Nominalnej Siły	0.89 kg / 1.95 lbs 886.0 g / 8.7 N
Magnet with anti-slip rubber	µ = 0.5 50% Nominalnej Siły	4.43 kg / 9.77 lbs 4430.0 g / 43.5 N

When placing a holder on a vertical plane (e.g., a board), it will maintain just approx. 1/5 of nominal attraction strength. Gravitational force as well as a weak degree of grip mean that holders move down easier than they pull off. Want to create a wall mount? Consider that the shear force is noticeably lower than the perpendicular breakaway force. On a painted metal, the holder will slide down under a noticeably lighter cargo. Using a rubber pad can significantly increase the grip.

Table 4: Material efficiency (saturation) - sheet metal selection
MPL 30x20x5 / N38

Steel thickness (mm)	% power	Real pull force (kg/lbs/g/N)
0.5 mm	10%	0.89 kg / 1.95 lbs 886.0 g / 8.7 N
1 mm	25%	2.22 kg / 4.88 lbs 2215.0 g / 21.7 N
2 mm	50%	4.43 kg / 9.77 lbs 4430.0 g / 43.5 N
3 mm	75%	6.65 kg / 14.65 lbs 6645.0 g / 65.2 N
5 mm	100%	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N
10 mm	100%	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N
11 mm	100%	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N
12 mm	100%	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N

A thin metal plate is not enough to absorb the full magnetic flux, which squanders power of the holder. If you mount a strong magnet to a too thin substrate, the field will pass right through and the attraction force will be weaker. To utilize 100% of this neodymium's power, you require a sufficiently solid piece of metal. The saturation phenomenon causes that on sheet metal structures (e.g., appliance housings), the holder shows lower pull force. We suggest choosing the steel dimension based on the following data.

Table 5: Working in heat (material behavior) - thermal limit
MPL 30x20x5 / N38

Ambient temp. (°C)	Power loss	Remaining pull (kg/lbs/g/N)	Status
20 °C	0.0%	8.86 kg / 19.53 lbs 8860.0 g / 86.9 N	OK
40 °C	-2.2%	8.67 kg / 19.10 lbs 8665.1 g / 85.0 N	OK
60 °C	-4.4%	8.47 kg / 18.67 lbs 8470.2 g / 83.1 N
80 °C	-6.6%	8.28 kg / 18.24 lbs 8275.2 g / 81.2 N
100 °C	-28.8%	6.31 kg / 13.91 lbs 6308.3 g / 61.9 N

Classic neodymiums lose strength above the temperature limit. Protect against heat – excessive heat can permanently destroy this product. As the temperature rises, the magnet's power momentarily decreases. Refrain from using this product close to ovens higher than its safe range. Too high temperature will cause permanent loss of magnetism.

*Engineering note: Thermal stability is determined by both grade, but also on the magnet's shape. Thin magnets (pancake types) may lose charge permanently under lower heat stress compared to rod magnets. Red status in the table indicates permanent field degradation for this particular item.

Table 6: Two magnets (attraction) - field collision
MPL 30x20x5 / N38

Gap (mm)	Attraction (kg/lbs) (N-S)	Shear Strength (kg/lbs/g/N)	Repulsion (kg/lbs) (N-N)
0 mm	17.90 kg / 39.47 lbs 3 715 Gs	2.69 kg / 5.92 lbs 2685 g / 26.3 N	N/A
1 mm	17.10 kg / 37.69 lbs 4 300 Gs	2.56 kg / 5.65 lbs 2565 g / 25.2 N	15.39 kg / 33.92 lbs ~0 Gs
2 mm	16.19 kg / 35.70 lbs 4 184 Gs	2.43 kg / 5.35 lbs 2429 g / 23.8 N	14.57 kg / 32.13 lbs ~0 Gs
3 mm	15.23 kg / 33.57 lbs 4 058 Gs	2.28 kg / 5.04 lbs 2284 g / 22.4 N	13.71 kg / 30.22 lbs ~0 Gs
5 mm	13.22 kg / 29.14 lbs 3 780 Gs	1.98 kg / 4.37 lbs 1982 g / 19.4 N	11.89 kg / 26.22 lbs ~0 Gs
10 mm	8.51 kg / 18.75 lbs 3 033 Gs	1.28 kg / 2.81 lbs 1276 g / 12.5 N	7.66 kg / 16.88 lbs ~0 Gs
20 mm	2.94 kg / 6.49 lbs 1 784 Gs	0.44 kg / 0.97 lbs 441 g / 4.3 N	2.65 kg / 5.84 lbs ~0 Gs
50 mm	0.15 kg / 0.32 lbs 398 Gs	0.02 kg / 0.05 lbs 22 g / 0.2 N	0.13 kg / 0.29 lbs ~0 Gs
60 mm	0.06 kg / 0.14 lbs 264 Gs	0.01 kg / 0.02 lbs 10 g / 0.1 N	0.06 kg / 0.13 lbs ~0 Gs
70 mm	0.03 kg / 0.07 lbs 183 Gs	0.00 kg / 0.01 lbs 5 g / 0.0 N	0.03 kg / 0.06 lbs ~0 Gs
80 mm	0.02 kg / 0.04 lbs 131 Gs	0.00 kg / 0.01 lbs 2 g / 0.0 N	0.01 kg / 0.03 lbs ~0 Gs
90 mm	0.01 kg / 0.02 lbs 97 Gs	0.00 kg / 0.00 lbs 1 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs
100 mm	0.00 kg / 0.01 lbs 73 Gs	0.00 kg / 0.00 lbs 1 g / 0.0 N	0.00 kg / 0.00 lbs ~0 Gs

Two strong neodymiums interact from a significantly greater distance than a magnet and steel combination. Such a system of two magnets creates a more powerful interaction and a further horizon of operation. Want to build a powerful holder? Apply two magnets instead of a neodymium and a steel. Remember that when attracting two neodymiums, the collision energy is massive. The levitation is a bit weaker than the connection force, but still impressive.
*Flux density in repulsion mode drops to ~0 Gs in the exact middle between the magnets (caused by magnetic field nullification).
Note: Figures show sliding force of a pair of identical neodymium magnets (friction coefficient ~0.15 for Ni-Ni plating).

Table 7: Protective zones (electronics) - warnings
MPL 30x20x5 / N38

Object / Device	Limit (Gauss) / mT	Safe distance
Pacemaker	5 Gs (0.5 mT)	10.5 cm
Hearing aid	10 Gs (1.0 mT)	8.5 cm
Mechanical watch	20 Gs (2.0 mT)	6.5 cm
Phone / Smartphone	40 Gs (4.0 mT)	5.0 cm
Remote	50 Gs (5.0 mT)	4.5 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 is a real danger to electronics and pacemakers. These NdFeB products generate a field that disrupts operation of sensitive medical devices. Be aware: the unseen radiation penetrates the body and plastic. Special caution must be taken by people with cochlear implants and insulin pumps. Influence will be felt by: automatic timepieces, car keys, speakers, and displays. Do not bring the product near payment cards, hard drives, or sensitive navigation tools.

Table 8: Dynamics (kinetic energy) - warning
MPL 30x20x5 / N38

Start from (mm)	Speed (km/h)	Energy (J)
10 mm	21.97 km/h (6.10 m/s)	0.42 J
30 mm	34.74 km/h (9.65 m/s)	1.05 J
50 mm	44.76 km/h (12.43 m/s)	1.74 J
100 mm	63.29 km/h (17.58 m/s)	3.48 J

NdFeB products are delicate – a violent impact against metal causes immediate chipping. Pay attention to connection velocity – a neodymium left loose speeds with massive force. Kinetic force can destroy the magnet or painful pinches to fingers. Always hold the magnet during bringing near metal so it doesn't slam with momentum against the metal. A collision at high speed almost guarantees destruction of the magnet. Wear safety glasses when working with powerful specimens.

Table 9: Corrosion resistance
MPL 30x20x5 / 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: Electrical data (P_c)
MPL 30x20x5 / N38

Parameter	Value	SI Unit / Description
Magnetic Flux	14 969 Mx	149.7 µWb
P_c Coefficient	0.26	Low (Flat)

Flux value emitted by the magnet pole. Essential parameter for generator designers and motors. The P_c coefficient determines the working geometry.

Table 11: Physics of underwater searching
MPL 30x20x5 / N38

Environment	Effective steel pull	Effect
Air (land)	8.86 kg	Standard
Water (riverbed)	10.14 kg (+1.28 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!

In water, the magnet feels stronger thanks to Archimedes' principle. However, remember the water resistance when pulling the rope quickly.

1. Wall mount (shear)

*Caution: On a vertical surface, the magnet holds merely approx. 20-30% of its max power.

2. Steel thickness impact

*Thin steel (e.g. computer case) severely limits the holding force.

3. Power loss vs temp

*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) = 0.26

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 specification and ecology

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%

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: 020143-2026

Measurement Calculator

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Component MPL 30x20x5 / N38 features a flat shape and industrial pulling force, making it a perfect solution for building separators and machines. As a block magnet with high power (approx. 8.86 kg), this product is available immediately from our warehouse in Poland. The durable anti-corrosion layer ensures a long lifespan in a dry environment, protecting the core from oxidation.

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. Watch your fingers! Magnets with a force of 8.86 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 30x20x5 / 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. 8.86 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.

For mounting flat magnets MPL 30x20x5 / N38, we recommend utilizing strong epoxy glues (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 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. 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: 30 mm (length), 20 mm (width), and 5 mm (thickness). It is a magnetic block with dimensions 30x20x5 mm and a self-weight of 22.5 g, ready to work at temperatures up to 80°C. The product meets the standards for N38 grade magnets.

Advantages and disadvantages of rare earth magnets.

Advantages

Besides their high retention, neodymium magnets are valued for these benefits:

They virtually do not lose power, because even after ten years the performance loss is only ~1% (based on calculations),
They maintain their magnetic properties even under external field action,
In other words, due to the reflective surface of gold, the element becomes visually attractive,
The surface of neodymium magnets generates a intense magnetic field – this is a distinguishing feature,
Thanks to resistance to high temperature, they are capable of working (depending on the shape) even at temperatures up to 230°C and higher...
Possibility of precise shaping and adjusting to precise needs,
Universal use in high-tech industry – they serve a role in computer drives, electric drive systems, precision medical tools, and technologically advanced constructions.
Compactness – despite small sizes they provide effective action, making them ideal for precision applications

Weaknesses

Disadvantages of neodymium magnets:

Susceptibility to cracking is one of their disadvantages. Upon strong impact they can break. We recommend keeping them in a strong case, which not only protects them against impacts but also increases their durability
We warn that neodymium magnets can reduce 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. To use them in conditions outside, it is recommended to use protective magnets, such as magnets in rubber or plastics, which secure oxidation and corrosion.
Due to limitations in creating nuts and complicated shapes in magnets, we propose using cover - magnetic holder.
Possible danger to health – tiny shards of magnets can be dangerous, when accidentally swallowed, which is particularly important in the context of child safety. Additionally, tiny parts of these products can be problematic in diagnostics medical in case of swallowing.
With large orders the cost of neodymium magnets is economically unviable,

Pull force analysis

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

The specified lifting capacity refers to the limit force, recorded under laboratory conditions, specifically:

using a base made of high-permeability steel, acting as a circuit closing element
whose thickness reaches at least 10 mm
characterized by smoothness
without any insulating layer between the magnet and steel
for force applied at a right angle (pull-off, not shear)
at ambient temperature room level

Impact of factors on magnetic holding capacity in practice

Holding efficiency is influenced by specific conditions, such as (from priority):

Air gap (between the magnet and the plate), since even a very small distance (e.g. 0.5 mm) results in a drastic drop in force by up to 50% (this also applies to varnish, rust or debris).
Load vector – highest force is reached only during pulling at a 90° angle. The force required to slide of the magnet along the surface is standardly several times lower (approx. 1/5 of the lifting capacity).
Substrate thickness – for full efficiency, the steel must be sufficiently thick. Thin sheet limits the attraction force (the magnet "punches through" it).
Material composition – not every steel reacts the same. High carbon content worsen the attraction effect.
Smoothness – ideal contact is obtained only on smooth steel. Rough texture create air cushions, weakening the magnet.
Thermal factor – hot environment reduces pulling force. Exceeding the limit temperature can permanently damage the magnet.

Holding force was measured on the plate surface of 20 mm thickness, when a perpendicular force was applied, in contrast under shearing force the lifting capacity is smaller. Additionally, even a small distance between the magnet and the plate lowers the holding force.

Safe handling of NdFeB magnets

Warning for allergy sufferers

Certain individuals suffer from a contact allergy to nickel, which is the common plating for neodymium magnets. Prolonged contact may cause a rash. We recommend use protective gloves.

Product not for children

Strictly store magnets away from children. Ingestion danger is significant, and the consequences of magnets connecting inside the body are tragic.

Magnet fragility

NdFeB magnets are sintered ceramics, meaning they are very brittle. Collision of two magnets leads to them shattering into small pieces.

Phone sensors

GPS units and smartphones are extremely sensitive to magnetism. Direct contact with a strong magnet can decalibrate the internal compass in your phone.

Heat sensitivity

Do not overheat. NdFeB magnets are sensitive to temperature. If you need operation above 80°C, inquire about special high-temperature series (H, SH, UH).

Physical harm

Danger of trauma: The pulling power is so immense that it can result in blood blisters, crushing, and broken bones. Use thick gloves.

Fire risk

Mechanical processing of neodymium magnets poses a fire risk. Neodymium dust oxidizes rapidly with oxygen and is hard to extinguish.

Threat to electronics

Powerful magnetic fields can erase data on payment cards, hard drives, and storage devices. Stay away of min. 10 cm.

Conscious usage

Exercise caution. Neodymium magnets attract from a long distance and snap with huge force, often quicker than you can move away.

Implant safety

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

Caution! Want to know more? Read our article: Why are neodymium magnets dangerous?

MPL 30x20x5 / N38 - lamellar magnet

Technical of the product - MPL 30x20x5 / N38 - lamellar magnet

Magnetic properties of material N38

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°C

Engineering analysis of the product - report

Table 1: Static force (pull vs gap) - interaction chart MPL 30x20x5 / N38

Table 2: Sliding hold (vertical surface) MPL 30x20x5 / N38

Table 3: Vertical assembly (shearing) - vertical pull MPL 30x20x5 / N38

Table 4: Material efficiency (saturation) - sheet metal selection MPL 30x20x5 / N38

Table 5: Working in heat (material behavior) - thermal limit MPL 30x20x5 / N38

Table 6: Two magnets (attraction) - field collision MPL 30x20x5 / N38

Table 7: Protective zones (electronics) - warnings MPL 30x20x5 / N38

Table 8: Dynamics (kinetic energy) - warning MPL 30x20x5 / N38

Table 9: Corrosion resistance MPL 30x20x5 / N38

Table 10: Electrical data (Pc) MPL 30x20x5 / N38

Table 11: Physics of underwater searching MPL 30x20x5 / N38

1. Wall mount (shear)

2. Steel thickness impact

3. Power loss vs temp

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

Material specification

Ecology and recycling (GPSR)

Pulling force

Magnetic Field

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Advantages and disadvantages of rare earth magnets.

Advantages

Weaknesses

Pull force analysis

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

Impact of factors on magnetic holding capacity in practice

Safe handling of NdFeB magnets

Warning for allergy sufferers

Product not for children

Magnet fragility

Phone sensors

Heat sensitivity

Physical harm

Fire risk

Threat to electronics

Conscious usage

Implant safety

Physical properties of sintered neodymium magnets Nd₂Fe₁₄B at 20°C

Table 1: Static force (pull vs gap) - interaction chart
MPL 30x20x5 / N38

Table 2: Sliding hold (vertical surface)
MPL 30x20x5 / N38

Table 3: Vertical assembly (shearing) - vertical pull
MPL 30x20x5 / N38

Table 4: Material efficiency (saturation) - sheet metal selection
MPL 30x20x5 / N38

Table 5: Working in heat (material behavior) - thermal limit
MPL 30x20x5 / N38

Table 6: Two magnets (attraction) - field collision
MPL 30x20x5 / N38

Table 7: Protective zones (electronics) - warnings
MPL 30x20x5 / N38

Table 8: Dynamics (kinetic energy) - warning
MPL 30x20x5 / N38

Table 9: Corrosion resistance
MPL 30x20x5 / N38

Table 10: Electrical data (P_c)
MPL 30x20x5 / N38

Table 11: Physics of underwater searching
MPL 30x20x5 / N38