e-mail: bok@dhit.pl

neodymium magnets

We offer yellow color magnetic Nd2Fe14B - our store's offer. Practically all "neodymium magnets" on our website are available for immediate purchase (see the list). See the magnet pricing for more details see the magnet price list

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Where to purchase strong neodymium magnet? Holders with magnets in airtight and durable steel casing are ideally suited for use in difficult climate conditions, including during rain and snow read...

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RM R8 ULTRA - 13000 Gs / N52 - magnetic distributor

magnetic distributor

Catalog no 280400

GTIN: 5906301814498

5

Weight

382 g

Magnetization Direction

↑ axial

Coating

[NiCuNi] nickel

200.00 with VAT / pcs + price for transport

162.60 ZŁ net + 23% VAT / pcs

bulk discounts:

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price from 1 pcs
162.60 ZŁ
200.00 ZŁ
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143.09 ZŁ
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Give us a call +48 888 99 98 98 otherwise send us a note via form the contact section.
Weight along with structure of magnets can be analyzed using our modular calculator.

Orders placed before 14:00 will be shipped the same business day.

RM R8 ULTRA - 13000 Gs / N52 - magnetic distributor
Specification/characteristics RM R8 ULTRA - 13000 Gs / N52 - magnetic distributor
properties
values
Cat. no.
280400
GTIN
5906301814498
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
Weight
382 g [±0,1 mm]
Magnetization Direction
↑ axial
Coating
[NiCuNi] nickel
Manufacturing Tolerance
± 0.1 mm

Magnetic properties of material N52

properties
values
units
remenance Br [Min. - Max.] ?
14.2-14.7
kGs
remenance Br [Min. - Max.] ?
1420-1470
T
coercivity bHc ?
10.8-12.5
kOe
coercivity bHc ?
860-995
kA/m
actual internal force iHc
≥ 12
kOe
actual internal force iHc
≥ 955
kA/m
energy density [Min. - Max.] ?
48-53
BH max MGOe
energy density [Min. - Max.] ?
380-422
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 106
°C-1
Thermal expansion perpendicular (⊥) to orientation (M)
-(1-3) x 10-6
°C-1
Young's modulus
1.7 x 104
kg/mm²

Shopping tips

It opens popular clips like Golf, Ink Tag, RF, AM, and other common clothing securities. However, it will not work with mechanical clips (hook/SuperLock) or specific systems that are not magnetic.
Our opener has a magnetic field strength of approx. 12000-13000 Gauss (Gs). The device is permanently magnetized and does not lose its power over time of use.
We sell this product exclusively to companies and business entities (B2B). We do not fulfill orders from individuals for this assortment.
The device can be screwed to the cash counter top with screws (holes are in the base) or recessed into the top. It is a maintenance-free, mechanical device always ready for work. Fits any checkout stand without taking up much space.
The detacher generates a very strong magnetic field that can permanently damage payment cards, mechanical watches, or phones. We recommend not bringing the detacher close to pacemakers and other medical implants.

Pros as well as cons of rare earth magnets.

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

  • They have constant strength, and over around 10 years their attraction force decreases symbolically – ~1% (according to theory),
  • They have excellent resistance to magnetism drop as a result of external magnetic sources,
  • By applying a reflective layer of gold, the element presents an nice look,
  • Magnets exhibit maximum magnetic induction on the surface,
  • Thanks to resistance to high temperature, they can operate (depending on the shape) even at temperatures up to 230°C and higher...
  • Thanks to the ability of free forming and customization to custom needs, magnetic components can be produced in a wide range of forms and dimensions, which increases their versatility,
  • Versatile presence in advanced technology sectors – they are commonly used in data components, electric drive systems, medical equipment, and technologically advanced constructions.
  • Compactness – despite small sizes they generate large force, making them ideal for precision applications

Cons of neodymium magnets: application proposals

  • They are prone to damage upon too strong impacts. To avoid cracks, it is worth protecting magnets in a protective case. Such protection not only protects the magnet but also improves its resistance to damage
  • We warn that neodymium magnets can lose their power at high temperatures. To prevent this, we recommend our specialized [AH] magnets, which work effectively even at 230°C.
  • Due to the susceptibility of magnets to corrosion in a humid environment, we suggest using waterproof magnets made of rubber, plastic or other material stable to moisture, in case of application outdoors
  • Limited possibility of making threads in the magnet and complex shapes - preferred is a housing - magnetic holder.
  • Health risk related to microscopic parts of magnets pose a threat, when accidentally swallowed, which gains importance in the aspect of protecting the youngest. Furthermore, tiny parts of these magnets are able to disrupt the diagnostic process medical when they are in the body.
  • High unit price – neodymium magnets have a higher price than other types of magnets (e.g. ferrite), which can limit application in large quantities

Maximum lifting force for a neodymium magnet – what it depends on?

The specified lifting capacity concerns the limit force, measured under ideal test conditions, namely:

  • using a plate made of high-permeability steel, serving as a magnetic yoke
  • whose thickness equals approx. 10 mm
  • characterized by even structure
  • under conditions of no distance (surface-to-surface)
  • during pulling in a direction vertical to the plane
  • at room temperature

Key elements affecting lifting force

During everyday use, the real power depends on many variables, listed from most significant:

  • Distance (betwixt the magnet and the metal), as even a very small distance (e.g. 0.5 mm) can cause a decrease in lifting capacity by up to 50% (this also applies to varnish, corrosion or debris).
  • Direction of force – highest force is reached only during perpendicular pulling. The force required to slide of the magnet along the surface is usually several times smaller (approx. 1/5 of the lifting capacity).
  • Substrate thickness – for full efficiency, the steel must be sufficiently thick. Paper-thin metal limits the attraction force (the magnet "punches through" it).
  • Metal type – different alloys reacts the same. High carbon content weaken the attraction effect.
  • Smoothness – ideal contact is possible only on polished steel. Rough texture reduce the real contact area, reducing force.
  • Temperature – temperature increase causes a temporary drop of induction. Check the thermal limit for a given model.

* Holding force was checked on a smooth steel plate of 20 mm thickness, when the force acted perpendicularly, whereas under attempts to slide the magnet the load capacity is reduced by as much as 75%. Additionally, even a small distance {between} the magnet and the plate lowers the load capacity.

Safety rules for work with NdFeB magnets

Phone sensors

GPS units and mobile phones are extremely susceptible to magnetism. Close proximity with a powerful NdFeB magnet can decalibrate the sensors in your phone.

Bodily injuries

Large magnets can crush fingers instantly. Under no circumstances place your hand between two strong magnets.

Caution required

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

Keep away from children

Strictly store magnets out of reach of children. Choking hazard is significant, and the effects of magnets clamping inside the body are very dangerous.

Mechanical processing

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

Protect data

Device Safety: Neodymium magnets can damage payment cards and sensitive devices (pacemakers, medical aids, timepieces).

Warning for allergy sufferers

A percentage of the population have a sensitization to Ni, which is the standard coating for neodymium magnets. Frequent touching might lead to skin redness. We strongly advise use safety gloves.

Warning for heart patients

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

Material brittleness

Beware of splinters. Magnets can explode upon uncontrolled impact, launching sharp fragments into the air. We recommend safety glasses.

Permanent damage

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

Danger!

Need more info? Check our post: Why are neodymium magnets dangerous?

Dhit sp. z o.o.

e-mail: bok@dhit.pl

tel: +48 888 99 98 98