MT 50x1.5x50000 - magnetic tape
magnetic tape
Catalog no 380511
length
50 mm [±1 mm]
Width
1.5 mm [±1 mm]
Height
50000 mm [±1 mm]
430.50 ZŁ with VAT / pcs + price for transport
350.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical parameters of the product - MT 50x1.5x50000 - magnetic tape
Specification / characteristics - MT 50x1.5x50000 - magnetic tape
| properties | values |
|---|---|
| Cat. no. | 380511 |
| Production/Distribution | Dhit sp. z o.o. |
| Country of origin | Poland / China / Germany |
| Customs code | 85059029 |
| length | 50 mm [±1 mm] |
| Width | 1.5 mm [±1 mm] |
| Height | 50000 mm [±1 mm] |
| 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 |
Material specification
| 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% |
Sustainability
| recyclability (EoL) | 100% |
| recycled raw materials | ~10% (pre-cons) |
| carbon footprint | low / zredukowany |
| waste code (EWC) | 16 02 16 |
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Advantages and disadvantages of neodymium magnets.
Pros
- They virtually do not lose strength, because even after 10 years the decline in efficiency is only ~1% (based on calculations),
- Magnets perfectly resist against loss of magnetization caused by ambient magnetic noise,
- A magnet with a metallic gold surface looks better,
- Magnetic induction on the top side of the magnet remains exceptional,
- Neodymium magnets are characterized by extremely high magnetic induction on the magnet surface and can work (depending on the form) even at a temperature of 230°C or more...
- Thanks to modularity in shaping and the capacity to adapt to client solutions,
- Huge importance in modern technologies – they are utilized in mass storage devices, electric motors, medical devices, also multitasking production systems.
- Compactness – despite small sizes they generate large force, making them ideal for precision applications
Cons
- At strong impacts they can break, therefore we recommend placing them in special holders. A metal housing provides additional protection against damage and increases the magnet's durability.
- Neodymium magnets decrease their power under the influence of heating. As soon as 80°C is exceeded, many of them start losing their force. Therefore, we recommend our special magnets marked [AH], which maintain stability even at temperatures up to 230°C
- When exposed to humidity, magnets start to rust. To use them in conditions outside, it is recommended to use protective magnets, such as those in rubber or plastics, which secure oxidation as well as corrosion.
- Limited possibility of creating nuts in the magnet and complex shapes - recommended is a housing - magnetic holder.
- Possible danger related to microscopic parts of magnets pose a threat, when accidentally swallowed, which gains importance in the aspect of protecting the youngest. Furthermore, small components of these products can complicate diagnosis medical after entering the body.
- With budget limitations the cost of neodymium magnets can be a barrier,
Lifting parameters
Detachment force of the magnet in optimal conditions – what it depends on?
- on a block made of structural steel, perfectly concentrating the magnetic field
- possessing a massiveness of at least 10 mm to ensure full flux closure
- characterized by smoothness
- without any air gap between the magnet and steel
- for force acting at a right angle (pull-off, not shear)
- in neutral thermal conditions
Determinants of lifting force in real conditions
- Clearance – existence of any layer (paint, dirt, gap) interrupts the magnetic circuit, which reduces power rapidly (even by 50% at 0.5 mm).
- Force direction – remember that the magnet holds strongest perpendicularly. Under sliding down, the capacity drops significantly, often to levels of 20-30% of the maximum value.
- Wall thickness – the thinner the sheet, the weaker the hold. Magnetic flux passes through the material instead of converting into lifting capacity.
- Material type – ideal substrate is pure iron steel. Cast iron may attract less.
- Surface structure – the smoother and more polished the plate, the larger the contact zone and higher the lifting capacity. Unevenness creates an air distance.
- Thermal factor – high temperature weakens pulling force. Too high temperature can permanently demagnetize the magnet.
Lifting capacity was measured with the use of a polished steel plate of optimal thickness (min. 20 mm), under perpendicular detachment force, in contrast under attempts to slide the magnet the load capacity is reduced by as much as 75%. In addition, even a small distance between the magnet’s surface and the plate reduces the load capacity.
Warnings
Shattering risk
Neodymium magnets are sintered ceramics, meaning they are prone to chipping. Clashing of two magnets leads to them cracking into shards.
Machining danger
Dust produced during cutting of magnets is flammable. Avoid drilling into magnets unless you are an expert.
Warning for heart patients
Life threat: Neodymium magnets can deactivate heart devices and defibrillators. Stay away if you have electronic implants.
Phone sensors
Navigation devices and smartphones are highly sensitive to magnetic fields. Close proximity with a strong magnet can decalibrate the sensors in your phone.
Swallowing risk
Neodymium magnets are not toys. Swallowing multiple magnets can lead to them pinching intestinal walls, which constitutes a direct threat to life and necessitates urgent medical intervention.
Permanent damage
Regular neodymium magnets (N-type) lose power when the temperature goes above 80°C. The loss of strength is permanent.
Threat to electronics
Do not bring magnets near a wallet, laptop, or TV. The magnetic field can irreversibly ruin these devices and wipe information from cards.
Sensitization to coating
Allergy Notice: The nickel-copper-nickel coating contains nickel. If an allergic reaction occurs, immediately stop handling magnets and use protective gear.
Hand protection
Large magnets can crush fingers instantly. Never place your hand between two attracting surfaces.
Safe operation
Handle with care. Rare earth magnets act from a long distance and connect with huge force, often faster than you can react.
Tabela kosztu i czasu dostawy
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