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UI 40x12x7 [CA] - badge holder

badge holder

Catalog no 150341

GTIN/EAN: 5906301813613

5.00

length

40 mm [±1 mm]

Width

12 mm [±1 mm]

Height

7 mm [±1 mm]

Weight

1.5 g

see parameters »

0.984 ZŁ with VAT / pcs + price for transport

0.800 ZŁ net + 23% VAT / pcs

bulk discounts:

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Pick up the phone and ask +48 888 99 98 98 otherwise contact us using form the contact form page.
Force as well as form of a neodymium magnet can be verified using our our magnetic calculator.

Same-day processing for orders placed before 14:00.

Technical parameters of the product - UI 40x12x7 [CA] - badge holder

Specification / characteristics - UI 40x12x7 [CA] - badge holder

properties
properties values
Cat. no. 150341
GTIN/EAN 5906301813613
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 [±1 mm]
Width 12 mm [±1 mm]
Height 7 mm [±1 mm]
Weight 1.5 g
Manufacturing Tolerance ±1 mm

Physical properties of sintered neodymium magnets Nd2Fe14B at 20°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
Technical specification and ecology
Chemical composition
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: 150341-2026
Measurement Calculator
Magnet pull force
Magnetic Field
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The magnetic holder is safe for delicate fabrics, expensive suits, silk, and shirts. This ensures elegance and wearing comfort, without the risk of pricking yourself or ruining clothes. It's a standard solution at conferences, trade fairs, and in companies caring about image.
The set includes a strip with magnets (put under clothes) and a steel plate with tape (on the outside). You stick your badge on the plate, and the magnet holds it through the clothing material. Magnets are hidden in an aesthetic plastic housing that does not irritate the skin.
Yes, the neodymium magnets used are very strong and hold even through thick materials. A larger number of magnetic points prevents the badge from twisting.
For people with a pacemaker, we recommend traditional fasteners on a lanyard, clip, or safe pin. For other people, magnets are completely safe and indifferent to health.
Yes, we are a direct importer and fulfill large wholesale orders. We offer discount thresholds and quantity discounts depending on order size.

Strengths and weaknesses of rare earth magnets.

Pros

In addition to their magnetic efficiency, neodymium magnets provide the following advantages:
  • They do not lose power, even after approximately ten years – the decrease in lifting capacity is only ~1% (based on measurements),
  • Magnets perfectly defend themselves against loss of magnetization caused by external fields,
  • The use of an refined finish of noble metals (nickel, gold, silver) causes the element to look better,
  • Magnetic induction on the surface of the magnet turns out to be strong,
  • Thanks to resistance to high temperature, they can operate (depending on the form) even at temperatures up to 230°C and higher...
  • Due to the ability of accurate forming and customization to custom requirements, magnetic components can be produced in a variety of geometric configurations, which makes them more universal,
  • Wide application in modern industrial fields – they are commonly used in data components, brushless drives, medical equipment, as well as other advanced devices.
  • Compactness – despite small sizes they generate large force, making them ideal for precision applications

Disadvantages

Disadvantages of neodymium magnets:
  • To avoid cracks upon strong impacts, we suggest using special steel housings. Such a solution protects the magnet and simultaneously improves its durability.
  • NdFeB magnets demagnetize when exposed to high temperatures. After reaching 80°C, many of them experience permanent drop of power (a factor is the shape and dimensions of the magnet). We offer magnets specially adapted to work at temperatures up to 230°C marked [AH], which are very resistant to heat
  • Due to the susceptibility of magnets to corrosion in a humid environment, we recommend using waterproof magnets made of rubber, plastic or other material stable to moisture, when using outdoors
  • We recommend a housing - magnetic mount, due to difficulties in realizing threads inside the magnet and complex shapes.
  • Health risk resulting from small fragments of magnets pose a threat, in case of ingestion, which is particularly important in the aspect of protecting the youngest. Furthermore, tiny parts of these magnets can complicate diagnosis medical in case of swallowing.
  • Higher cost of purchase is a significant factor to consider compared to ceramic magnets, especially in budget applications

Holding force characteristics

Maximum lifting capacity of the magnet – what affects it?

The load parameter shown concerns the peak performance, recorded under optimal environment, meaning:
  • using a sheet made of high-permeability steel, acting as a ideal flux conductor
  • possessing a massiveness of minimum 10 mm to avoid saturation
  • characterized by even structure
  • without any insulating layer between the magnet and steel
  • for force applied at a right angle (pull-off, not shear)
  • in temp. approx. 20°C

Impact of factors on magnetic holding capacity in practice

During everyday use, the actual lifting capacity results from several key aspects, ranked from crucial:
  • Space between magnet and steel – every millimeter of distance (caused e.g. by varnish or unevenness) significantly weakens the pulling force, often by half at just 0.5 mm.
  • Load vector – highest force is reached only during perpendicular pulling. The resistance to sliding of the magnet along the surface is usually several times lower (approx. 1/5 of the lifting capacity).
  • Plate thickness – too thin steel causes magnetic saturation, causing part of the flux to be wasted into the air.
  • Chemical composition of the base – low-carbon steel attracts best. Higher carbon content decrease magnetic properties and holding force.
  • Surface quality – the more even the surface, the better the adhesion and stronger the hold. Roughness acts like micro-gaps.
  • Thermal conditions – NdFeB sinters have a sensitivity to temperature. At higher temperatures they lose power, and in frost they can be stronger (up to a certain limit).

Holding force was measured on the plate surface of 20 mm thickness, when the force acted perpendicularly, in contrast under parallel forces the load capacity is reduced by as much as fivefold. Moreover, even a minimal clearance between the magnet and the plate reduces the lifting capacity.

H&S for magnets
Nickel allergy

It is widely known that nickel (standard magnet coating) is a potent allergen. If your skin reacts to metals, avoid direct skin contact or choose encased magnets.

Dust explosion hazard

Fire hazard: Neodymium dust is explosive. Avoid machining magnets in home conditions as this may cause fire.

Danger to the youngest

Always store magnets away from children. Ingestion danger is high, and the consequences of magnets connecting inside the body are fatal.

Impact on smartphones

Note: rare earth magnets produce a field that disrupts sensitive sensors. Keep a separation from your phone, device, and GPS.

Electronic devices

Avoid bringing magnets close to a wallet, laptop, or TV. The magnetic field can destroy these devices and wipe information from cards.

Conscious usage

Handle magnets consciously. Their immense force can shock even experienced users. Stay alert and do not underestimate their force.

Finger safety

Big blocks can smash fingers instantly. Do not place your hand betwixt two attracting surfaces.

Beware of splinters

Protect your eyes. Magnets can fracture upon uncontrolled impact, ejecting shards into the air. Eye protection is mandatory.

Operating temperature

Standard neodymium magnets (N-type) lose magnetization when the temperature surpasses 80°C. This process is irreversible.

Life threat

Patients with a ICD must keep an absolute distance from magnets. The magnetism can stop the operation of the life-saving device.

Caution! Learn more about risks in the article: Safety of working with magnets.