MT 50x1.5x100000 - magnetic tape
magnetic tape
Catalog no 380512
length
50 mm [±1 mm]
Width
1.5 mm [±1 mm]
Height
100000 mm [±1 mm]
861.00 ZŁ with VAT / pcs + price for transport
700.00 ZŁ net + 23% VAT / pcs
bulk discounts:
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Technical - MT 50x1.5x100000 - magnetic tape
Specification / characteristics - MT 50x1.5x100000 - magnetic tape
| properties | values |
|---|---|
| Cat. no. | 380512 |
| 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 | 100000 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 |
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 |
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Strengths as well as weaknesses of rare earth magnets.
Advantages
- They have constant strength, and over more than ten years their performance decreases symbolically – ~1% (in testing),
- Magnets effectively resist against demagnetization caused by external fields,
- In other words, due to the glossy layer of nickel, the element gains visual value,
- Magnetic induction on the working part of the magnet is strong,
- Made from properly selected components, these magnets show impressive resistance to high heat, enabling them to function (depending on their shape) at temperatures up to 230°C and above...
- Thanks to flexibility in designing and the ability to modify to client solutions,
- Significant place in innovative solutions – they serve a role in HDD drives, electromotive mechanisms, medical devices, also technologically advanced constructions.
- Compactness – despite small sizes they generate large force, making them ideal for precision applications
Disadvantages
- At strong impacts they can crack, therefore we advise placing them in strong housings. A metal housing provides additional protection against damage and increases the magnet's durability.
- When exposed to high temperature, neodymium magnets suffer a drop in power. Often, when the temperature exceeds 80°C, their strength decreases (depending on the size and shape of the magnet). For those who need magnets for extreme conditions, we offer [AH] versions withstanding up to 230°C
- They rust in a humid environment. For use outdoors we recommend using waterproof magnets e.g. in rubber, plastic
- Due to limitations in creating threads and complex forms in magnets, we recommend using a housing - magnetic mechanism.
- Potential hazard resulting from small fragments of magnets are risky, when accidentally swallowed, which is particularly important in the aspect of protecting the youngest. Furthermore, tiny parts of these devices can be problematic in diagnostics medical after entering the body.
- High unit price – neodymium magnets are more expensive than other types of magnets (e.g. ferrite), which hinders application in large quantities
Pull force analysis
Optimal lifting capacity of a neodymium magnet – what it depends on?
- on a plate made of structural steel, perfectly concentrating the magnetic field
- whose thickness equals approx. 10 mm
- with an ideally smooth touching surface
- with direct contact (no impurities)
- under axial force direction (90-degree angle)
- in neutral thermal conditions
Determinants of lifting force in real conditions
- Clearance – existence of any layer (rust, dirt, air) acts as an insulator, which reduces capacity steeply (even by 50% at 0.5 mm).
- Load vector – maximum parameter is obtained only during pulling at a 90° angle. The force required to slide of the magnet along the plate is typically many times smaller (approx. 1/5 of the lifting capacity).
- Substrate thickness – to utilize 100% power, the steel must be sufficiently thick. Thin sheet restricts the attraction force (the magnet "punches through" it).
- Material composition – different alloys attracts identically. Alloy additives worsen the attraction effect.
- Surface structure – the more even the plate, the better the adhesion and higher the lifting capacity. Roughness acts like micro-gaps.
- Temperature – temperature increase results in weakening of force. Check the thermal limit for a given model.
Lifting capacity was assessed by applying a steel plate with a smooth surface of suitable thickness (min. 20 mm), under perpendicular pulling force, however under shearing force the lifting capacity is smaller. Moreover, even a slight gap between the magnet’s surface and the plate lowers the lifting capacity.
Warnings
Hand protection
Danger of trauma: The pulling power is so immense that it can cause hematomas, crushing, and broken bones. Protective gloves are recommended.
Threat to navigation
Navigation devices and smartphones are highly susceptible to magnetic fields. Close proximity with a strong magnet can ruin the sensors in your phone.
Risk of cracking
Watch out for shards. Magnets can explode upon violent connection, ejecting sharp fragments into the air. Wear goggles.
Demagnetization risk
Regular neodymium magnets (grade N) lose power when the temperature exceeds 80°C. This process is irreversible.
Flammability
Dust generated during grinding of magnets is flammable. Avoid drilling into magnets unless you are an expert.
Magnetic media
Avoid bringing magnets near a wallet, laptop, or TV. The magnetic field can destroy these devices and erase data from cards.
Product not for children
These products are not toys. Accidental ingestion of multiple magnets may result in them pinching intestinal walls, which constitutes a severe health hazard and necessitates immediate surgery.
Sensitization to coating
A percentage of the population have a sensitization to Ni, which is the common plating for NdFeB magnets. Prolonged contact may cause a rash. We strongly advise use protective gloves.
Immense force
Exercise caution. Neodymium magnets attract from a long distance and connect with massive power, often quicker than you can react.
Medical interference
For implant holders: Powerful magnets affect electronics. Maintain minimum 30 cm distance or ask another person to work with the magnets.
Tabela kosztu i czasu dostawy
Płatność przed wysyłką:
GLS kurier
Przesyłka będzie u Ciebie za 2-3 dni
14.99 ZŁ
InPost Paczkomaty 24/7
Przesyłka będzie u Ciebie za 1-2 dni
12.30 ZŁ
Płatność przy odbiorze (pobranie):
GLS kurier
Przesyłka będzie u Ciebie za 1-2 dni
23.00 ZŁ
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