UI 40x12x7 [CA] - badge holder
badge holder
Catalog no 150341
GTIN/EAN: 5906301813613
length
40 mm [±1 mm]
Width
12 mm [±1 mm]
Height
7 mm [±1 mm]
Weight
1.5 g
0.984 ZŁ with VAT / pcs + price for transport
0.800 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical - UI 40x12x7 [CA] - badge holder
Specification / characteristics - UI 40x12x7 [CA] - badge holder
| properties | values |
|---|---|
| Cat. no. | 150341 |
| GTIN/EAN | 5906301813613 |
| Production/Distribution | Dhit sp. z o.o. |
| 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
| 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 |
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% |
Environmental data
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
Other proposals
Pros and cons of rare earth magnets.
Advantages
- Their magnetic field remains stable, and after approximately ten years it drops only by ~1% (theoretically),
- Neodymium magnets are characterized by remarkably resistant to demagnetization caused by external magnetic fields,
- In other words, due to the reflective surface of nickel, the element gains visual value,
- They feature high magnetic induction at the operating surface, making them more effective,
- Thanks to resistance to high temperature, they can operate (depending on the shape) even at temperatures up to 230°C and higher...
- Possibility of accurate shaping and optimizing to concrete needs,
- Significant place in modern industrial fields – they find application in hard drives, drive modules, diagnostic systems, also technologically advanced constructions.
- Relatively small size with high pulling force – neodymium magnets offer impressive pulling force in compact dimensions, which makes them useful in miniature devices
Disadvantages
- To avoid cracks upon strong impacts, we recommend using special steel holders. Such a solution protects the magnet and simultaneously increases its durability.
- NdFeB magnets lose strength 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 extremely 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 immune to moisture, in case of application outdoors
- Due to limitations in producing nuts and complex shapes in magnets, we recommend using a housing - magnetic mechanism.
- Possible danger to health – tiny shards of magnets are risky, if swallowed, which becomes key in the context of child safety. Additionally, tiny parts of these products can complicate diagnosis medical in case of swallowing.
- Due to complex production process, their price exceeds standard values,
Lifting parameters
Maximum lifting capacity of the magnet – what contributes to it?
- using a base made of low-carbon steel, serving as a circuit closing element
- with a cross-section no less than 10 mm
- with a surface perfectly flat
- without the slightest air gap between the magnet and steel
- during detachment in a direction perpendicular to the plane
- in neutral thermal conditions
Magnet lifting force in use – key factors
- Space between surfaces – every millimeter of separation (caused e.g. by veneer or dirt) diminishes the pulling force, often by half at just 0.5 mm.
- Force direction – declared lifting capacity refers to detachment vertically. When slipping, the magnet exhibits much less (often approx. 20-30% of maximum force).
- Element thickness – to utilize 100% power, the steel must be adequately massive. Thin sheet limits the attraction force (the magnet "punches through" it).
- Material type – the best choice is pure iron steel. Cast iron may attract less.
- Surface structure – the more even the surface, the larger the contact zone and higher the lifting capacity. Roughness acts like micro-gaps.
- Thermal factor – high temperature weakens pulling force. Too high temperature can permanently damage the magnet.
Lifting capacity testing was carried out on plates with a smooth surface of suitable thickness, under perpendicular forces, however under parallel forces the lifting capacity is smaller. Moreover, even a small distance between the magnet’s surface and the plate lowers the lifting capacity.
Warnings
Conscious usage
Before starting, read the rules. Uncontrolled attraction can destroy the magnet or hurt your hand. Think ahead.
Mechanical processing
Drilling and cutting of neodymium magnets carries a risk of fire hazard. Magnetic powder reacts violently with oxygen and is difficult to extinguish.
Finger safety
Large magnets can smash fingers instantly. Do not place your hand between two strong magnets.
No play value
Strictly keep magnets away from children. Risk of swallowing is high, and the consequences of magnets connecting inside the body are fatal.
Operating temperature
Keep cool. Neodymium magnets are susceptible to temperature. If you require resistance above 80°C, look for HT versions (H, SH, UH).
Material brittleness
Protect your eyes. Magnets can fracture upon violent connection, launching shards into the air. Wear goggles.
Allergic reactions
Allergy Notice: The nickel-copper-nickel coating consists of nickel. If an allergic reaction happens, immediately stop working with magnets and use protective gear.
Magnetic media
Powerful magnetic fields can corrupt files on credit cards, HDDs, and storage devices. Keep a distance of min. 10 cm.
Threat to navigation
Be aware: neodymium magnets generate a field that interferes with precision electronics. Maintain a safe distance from your mobile, device, and navigation systems.
Pacemakers
Individuals with a pacemaker must maintain an absolute distance from magnets. The magnetic field can stop the operation of the life-saving device.
