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UI 45x13x6 [C321] / N38 - badge holder

badge holder

Catalog no 150209

GTIN/EAN: 5906301813569

5.00
Load capacity 1.75 kg / 17.16 N
length
45 mm [±1 mm]
Width
13 mm [±1 mm]
Height
6 mm [±1 mm]
Weight
0.15 g

How we measure these parameters — certificates and measurements

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1.950 zł net / pcs

2.40 zł with VAT (23% VAT) / pcs

price for transport

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Frequently asked questions

How much will a magnetic holder hold in practice?
The catalogue value assumes full contact with smooth steel at least 10 mm thick and a perpendicular pull. Thinner sheet, paint, rust and surface irregularities reduce it considerably: on 1 mm sheet about half remains. Lifting and vertical mounting call for an additional safety margin.
Will a holder work on stainless steel?
Not on austenitic grades 304 and 316 — they are effectively non-magnetic. It will not work on aluminium, copper or brass either. Those materials need a mechanical gripper.
Which coating for which conditions?
Nickel-copper-nickel (NiCuNi) is the standard and covers most applications. Epoxy is used for damp environments and outdoor work, zinc is sufficient for dry interiors. Holders in a steel housing or in rubber also protect the magnet against impact.

Guides from the knowledge base

Want to talk magnets?

Call us now +48 888 99 98 98 alternatively let us know using contact form the contact section.
Specifications and structure of a neodymium magnet can be estimated using our power calculator.

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Technical of the product - UI 45x13x6 [C321] / N38 - badge holder

Specification / characteristics - UI 45x13x6 [C321] / N38 - badge holder

properties
properties values
Cat. no. 150209
GTIN/EAN 5906301813569
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 45 mm [±1 mm]
Width 13 mm [±1 mm]
Height 6 mm [±1 mm]
Weight 0.15 g
Load capacity ~ ? 1.75 kg / 17.16 N
Manufacturing Tolerance ±1 mm

Magnetic properties of material N38

Specification / characteristics UI 45x13x6 [C321] / N38 - badge holder
properties values units
Remanence Br ? 12.2-12.6 kGs
Remanence Br ? 1220-1260 mT
Coercivity bHc ? 10.8-11.5 kOe
Coercivity bHc ? 860-915 kA/m
Intrinsic coercivity iHc ≥ 12 kOe
Intrinsic coercivity iHc ≥ 955 kA/m
Energy product BHmax ? 36-38 BH max MGOe
Energy product BHmax ? 287-303 BH max KJ/m
Maximum working temperature ? ≤ 80 °C

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 310 °C
Curie Temperature TF 590 °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 data and GPSR

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%

Environmental data

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: 150209-2026
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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 consists of two elements: the magnetic part (back) and the mounting plate (front). The outer part has strong 3M foam tape, to which a business card or plastic case is stuck. 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. We offer versions with two or three magnets, which further increases stability and strength.
For people with a pacemaker, we recommend traditional fasteners on a lanyard, clip, or safe pin. Healthy users can use badges without worrying about their well-being.
We serve advertising agencies, printing houses, hotels, and corporations, offering attractive prices for bulk purchases. Contact us to receive an individual B2B offer tailored to your company's needs.

Advantages as well as disadvantages of neodymium magnets.

Benefits

Apart from their notable magnetic energy, neodymium magnets have these key benefits:
  • They retain full power for almost ten years – the loss is just ~1% (based on simulations),
  • They have excellent resistance to magnetism drop due to opposing magnetic fields,
  • The use of an refined coating of noble metals (nickel, gold, silver) causes the element to have aesthetics,
  • Neodymium magnets deliver maximum magnetic induction on a small surface, which increases force concentration,
  • Due to their durability and thermal resistance, neodymium magnets can operate (depending on the form) even at high temperatures reaching 230°C or more...
  • Possibility of accurate machining and modifying to specific needs,
  • Huge importance in innovative solutions – they are used in computer drives, electric drive systems, diagnostic systems, as well as complex engineering applications.
  • Compactness – despite small sizes they generate large force, making them ideal for precision applications

Disadvantages

What to avoid - cons of neodymium magnets: tips and applications.
  • At strong impacts they can crack, therefore we recommend placing them in steel cases. A metal housing provides additional protection against damage, as well as increases the magnet's durability.
  • Neodymium magnets lose power when exposed to high temperatures. After reaching 80°C, many of them experience permanent weakening of strength (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 extremely resistant to heat
  • They oxidize in a humid environment - during use outdoors we suggest using waterproof magnets e.g. in rubber, plastic
  • We recommend a housing - magnetic mount, due to difficulties in creating threads inside the magnet and complex shapes.
  • Health risk resulting from small fragments of magnets pose a threat, if swallowed, which gains importance in the context of child safety. It is also worth noting that small components of these devices can be problematic in diagnostics medical in case of swallowing.
  • Due to expensive raw materials, their price is relatively high,

Holding force characteristics

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

Information about lifting capacity was defined for the most favorable conditions, taking into account:
  • using a sheet made of mild steel, serving as a circuit closing element
  • with a cross-section minimum 10 mm
  • with an ideally smooth contact surface
  • with direct contact (without impurities)
  • during pulling in a direction perpendicular to the mounting surface
  • at room temperature

Lifting capacity in practice – influencing factors

It is worth knowing that the application force will differ subject to the following factors, in order of importance:
  • Air gap (betwixt the magnet and the metal), as even a very small clearance (e.g. 0.5 mm) leads to a reduction in lifting capacity by up to 50% (this also applies to paint, corrosion or debris).
  • Force direction – catalog parameter refers to detachment vertically. When slipping, the magnet exhibits much less (typically approx. 20-30% of nominal force).
  • Element thickness – for full efficiency, the steel must be adequately massive. Thin sheet restricts the attraction force (the magnet "punches through" it).
  • Chemical composition of the base – low-carbon steel attracts best. Alloy admixtures reduce magnetic properties and holding force.
  • Surface condition – ground elements guarantee perfect abutment, which increases field saturation. Rough surfaces reduce efficiency.
  • Thermal factor – high temperature reduces pulling force. Exceeding the limit temperature can permanently damage the magnet.

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

Safe handling of neodymium magnets
Danger to pacemakers

For implant holders: Strong magnetic fields affect medical devices. Maintain at least 30 cm distance or ask another person to work with the magnets.

Fire warning

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

Safe operation

Handle magnets with awareness. Their immense force can shock even professionals. Plan your moves and respect their power.

This is not a toy

Strictly keep magnets away from children. Choking hazard is high, and the effects of magnets connecting inside the body are very dangerous.

GPS Danger

An intense magnetic field disrupts the functioning of compasses in smartphones and GPS navigation. Do not bring magnets near a device to prevent breaking the sensors.

Protective goggles

NdFeB magnets are ceramic materials, which means they are fragile like glass. Clashing of two magnets will cause them shattering into shards.

Keep away from computers

Equipment safety: Strong magnets can ruin data carriers and sensitive devices (heart implants, hearing aids, mechanical watches).

Allergy Warning

Medical facts indicate that the nickel plating (the usual finish) is a common allergen. If you have an allergy, prevent touching magnets with bare hands and opt for encased magnets.

Bone fractures

Mind your fingers. Two powerful magnets will join immediately with a force of massive weight, crushing anything in their path. Exercise extreme caution!

Power loss in heat

Standard neodymium magnets (grade N) undergo demagnetization when the temperature goes above 80°C. Damage is permanent.

Attention! Want to know more? Check our post: Why are neodymium magnets dangerous?