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neodymium magnets

We provide yellow color magnetic Nd2Fe14B - our offer. All magnesy in our store are available for immediate delivery (see the list). See the magnet price list for more details check the magnet price list

Magnets for water searching F400 GOLD

Where to buy strong neodymium magnet? Holders with magnets in airtight and durable enclosure are excellent for use in challenging weather, including during snow and rain read...

magnets with holders

Magnetic holders can be applied to enhance production processes, underwater exploration, or locating meteors made of metal more information...

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UI 45x13x6 [C321] / N38 - badge holder

badge holder

Catalog no 150209

GTIN: 5906301813569

5

length [±0,1 mm]

45 mm

Width [±0,1 mm]

13 mm

Height [±0,1 mm]

6 mm

Weight

0.15 g

Load capacity

1.75 kg / 17.16 N

2.40 with VAT / pcs + price for transport

1.95 ZŁ net + 23% VAT / pcs

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UI 45x13x6 [C321] / N38 - badge holder

Specification/characteristics UI 45x13x6 [C321] / N38 - badge holder
properties
values
Cat. no.
150209
GTIN
5906301813569
Production/Distribution
Dhit sp. z o.o.
Country of origin
Poland / China / Germany
Customs code
85059029
length
45 mm [±0,1 mm]
Width
13 mm [±0,1 mm]
Height
6 mm [±0,1 mm]
Weight
0.15 g [±0,1 mm]
Load capacity ~ ?
1.75 kg / 17.16 N
Manufacturing Tolerance
± 0.1 mm

Magnetic properties of material N38

properties
values
units
coercivity bHc ?
860-915
kA/m
coercivity bHc ?
10.8-11.5
kOe
energy density [Min. - Max.] ?
287-303
BH max KJ/m
energy density [Min. - Max.] ?
36-38
BH max MGOe
remenance Br [Min. - Max.] ?
12.2-12.6
kGs
remenance Br [Min. - Max.] ?
1220-1260
T
actual internal force iHc
≥ 955
kA/m
actual internal force iHc
≥ 12
kOe
max. temperature ?
≤ 80
°C

Physical properties of NdFeB

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

The most preferred mountings for ID badges include options such as this UI 45x13x6 [C321] / N38. They guarantee resilience and an aesthetic appearance. Magnetic holders are valued as optimal because they do not damage clothing, are simple to mount, and provide stable badge attachment. A model using efficient neodymium magnets and high-quality adhesive tapes, such as 3M tape, is especially suggested.
No!, magnetic holders should not be used for individuals with heart implants, as the strong magnetic field may interfere with their functioning. In such cases, it is recommended to use non-magnetic holders, and we offer two such types in our range.

Advantages as well as disadvantages of neodymium magnets NdFeB.

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

  • They retain their magnetic properties for almost 10 years – the drop is just ~1% (according to analyses),
  • They are very resistant to demagnetization caused by external magnetic fields,
  • In other words, due to the shiny silver coating, the magnet obtains an aesthetic appearance,
  • They have extremely strong magnetic induction on the surface of the magnet,
  • These magnets tolerate extreme temperatures, often exceeding 230°C, when properly designed (in relation to build),
  • The ability for accurate shaping or customization to custom needs – neodymium magnets can be manufactured in a wide range of shapes and sizes, which extends the scope of their use cases,
  • Significant impact in new technology industries – they are used in data storage devices, rotating machines, diagnostic apparatus or even sophisticated instruments,
  • Thanks to their power density, small magnets offer high magnetic performance, while occupying minimal space,

Disadvantages of neodymium magnets:

  • They can break when subjected to a strong impact. If the magnets are exposed to shocks, they should be placed in a protective enclosure. The steel housing, in the form of a holder, protects the magnet from cracks and additionally reinforces its overall durability,
  • Magnets lose pulling force when exposed to temperatures exceeding 80°C. In most cases, this leads to irreversible field weakening (influenced by the magnet’s form). To address this, we provide [AH] models with superior thermal resistance, able to operate even at 230°C or more,
  • Magnets exposed to wet conditions can corrode. Therefore, for outdoor applications, we suggest waterproof types made of coated materials,
  • Limited ability to create complex details in the magnet – the use of a mechanical support is recommended,
  • Safety concern related to magnet particles may arise, if ingested accidentally, which is significant in the health of young users. It should also be noted that minuscule fragments from these products can disrupt scanning once in the system,
  • High unit cost – neodymium magnets are costlier than other types of magnets (e.g., ferrite), which can restrict large-scale applications

Handle Neodymium Magnets with Caution

Dust and powder from neodymium magnets are highly flammable.

Do not attempt to drill into neodymium magnets. Mechanical processing is also not recommended. Once crushed into fine powder or dust, this material becomes highly flammable.

Neodymium magnets are the most powerful magnets ever invented. Their strength can shock you.

Read the information on our website on how to properly utilize neodymium magnets and avoid significant harm to your body and unintentional disruption to the magnets.

Keep neodymium magnets away from GPS and smartphones.

Intense magnetic fields generated by neodymium magnets interfere with compasses and magnetometers used in navigation, as well as internal compasses of smartphones and GPS devices.

Neodymium magnetic are known for their fragility, which can cause them to shatter.

In the event of a collision between two neodymium magnets, it can result in them getting chipped. They are coated with a shiny nickel plating similar to steel, but they are not as hard. At the moment of connection between the magnets, tiny sharp metal fragments can be propelled in various directions at high speed. Eye protection is recommended.

  Do not give neodymium magnets to children.

Remember that neodymium magnets are not toys. Do not allow children to play with them. In the case of swallowing multiple magnets simultaneously, they can attract to each other through the intestinal walls. In the worst case scenario, this can lead to death.

Keep neodymium magnets away from people with pacemakers.

Neodymium magnets produce strong magnetic fields that can interfere with the operation of a heart pacemaker. Even if the magnetic field does not affect the device, it can damage its components or deactivate the entire device.

Neodymium magnets are primarily characterized by their significant internal force. They attract to each other, and any object that comes in their way will be affected.

Magnets will bounce and touch together within a distance of several to around 10 cm from each other.

The magnet is coated with nickel. Therefore, exercise caution if you have an allergy.

Studies show a small percentage of people have allergies to certain metals, including nickel. An allergic reaction often manifests as skin redness and rash. If you have a nickel allergy, you can try wearing gloves or simply avoid direct contact with nickel-plated neodymium magnets.

Neodymium magnets can demagnetize at high temperatures.

Whilst Neodymium magnets can demagnetize at high temperatures, it's important to note that the extent of this effect can vary based on factors such as the magnet's material, shape, and intended application.

Make sure not to bring neodymium magnets close to the TV, wallet, and computer HDD.

The strong magnetic field generated by neodymium magnets can destroy magnetic media such as floppy disks, video tapes, HDDs, credit cards, magnetic ID cards, cassette tapes, or other devices. They can also damage devices like video players, televisions, CRT computer monitors. Do not forget to keep neodymium magnets away from these electronic devices.

Pay attention!

In order for you to know how strong neodymium magnets are and why they are so dangerous, read the article - Dangerous powerful neodymium magnets.

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tel: +48 888 99 98 98