Waterproof Magnets
- Sintered NdFeB Magnet
Sintered NdFeB Magnet
Bonded NdFeB Magnets
Samarium Cobalt Magnets
AINiCo Magnets
Ferrite Magnets
Flexible Magnet
Magnetic fluid
Magnetic tool
Waterproof Magnets
- Product Name ：Black rubber coated strong neodymium waterproof disc magnets
- Composite ：NdFeB Magnet
- Application ：Industrial Magnet
- Grade ：N35
- Tolerance ：+/-0.05mm
- Magnetism Direction ：Axially
- Maxium Working Temperature ：80℃
- Single package size: 35X25X15 cm
- Single gross weight: 3.000 kg
- Supply Ability ：2000 Metric Ton/Metric Tons per Year rubber covered magnets
Shipping
Shipping fee and delivery date to be negotiated. Chat with sales now for more details.
Product Description
Usage
1. Acoustic field: the speaker, receiver, microphone, alarm, stage audio, car audio and so on.
2. Electronics: permanent magnetic actuator vacuum circuit breakers, magnetic relays, meter, sound meter, a reed switch, sensors.
3. Electrical field: VCM, CD / DVD-ROM, generators, motors, servo motors, micro-motors,motors, vibration motors.
4. Wedding corsage badges, etc., can be replaced with a magnet attracts every other clothes pins, so as not to damage the dress.
5. For the overlying metal drawing board for fixing the drawing paper. Magnetic blackboard whiteboard fixed file drawings.
6. Advertising magnets available to replace the original fixtures, at any time convenient to replace the ad content.
7. Models piling, you can use small magnets to connect two widgets.
8. Studio, bulk magnet can be used to adsorb screws and other parts, even wrenches and other tools
Why choose us ?
1. Professional neodymium magnet manufacturer over 20 years.
2. Near US$2,000,000.00 Online Transactions.
3. Top 1 Alibaba Magnets Supplier.
4. Good price and high quality with REACH, ROHS Certificate,etc.
5. Long-term stability of magnetic properties.
Advanced Facilities
Excellent production equipment
Advanced Facilities
Excellent production equipment Focus on the magnetic materialindustry to become a new bench.mark of the industry with integraton,innovation and brand power
Product Testing
Strict product testing process With the force of technologicalinnovation and industry integra-tion to promote the developmentof magnetic material application,continue to create value forcustomers
Engineering Service
Meet all customer needs All for customers, core than a promiseCustomer-Oriented CollaborationResponsibility Innovation
founded in
2000
factory area
0
㎡
kinds of patents
0
Active Customers
0
+
Our certifications
Frequently Asked Questions
1. Q: Are you trading company or manufacturer ?
A: We are a professional manufacturer of neodymium magnets more than 18 years and over 12 years as Alibaba.com assessed supplier with SGS certification
2. Q: How long is your delivery time?
A: Generally it is 3 days if the rubber covered magnets we mentioned are in stock. or it is 30-45 days if the rubber covered magnets are not in stock, it is according to quantity.
3. Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge if we have magnet stock
4. Q: What is your terms of payment ?
A: Payment<=5000USD, 100% in advance. Payment>=5000USD, 30% T/T in advance ,balance before shippment.
Related Products
Thank You for Your Attention to Shenzhen Xinhongchang Magnetic Material Co., Ltd.
Send us your needs for your business, we have professional service team to answer you !
1. Q: What is the maximum operating temperature for Sintered NdFeB Magnets?
A: Sintered NdFeB magnets are known for their high performance, but they have specific temperature limitations. The maximum operating temperature for these magnets typically ranges from 80°C to 200°C, depending on the grade and formulation of the magnet. For example:
- Standard NdFeB magnets (e.g., N35, N38) are generally suitable for temperatures up to 80°C to 100°C.
- High-temperature grades (e.g., N35M, N38H) can operate at higher temperatures, with some grades like N35AH or N38UH capable of withstanding temperatures up to 200°C.
2. Q: How can I prevent demagnetization of Sintered NdFeB Magnets?
A: Demagnetization of Sintered NdFeB magnets can occur due to several factors, including high temperatures, external magnetic fields, and mechanical stress. Here are some tips to prevent demagnetization:
- Select the right grade: Choose a magnet grade suitable for your operating temperature and environment.
- Avoid high temperatures: Keep the magnets within their specified temperature range to prevent thermal demagnetization.
- Shielding: Use magnetic shielding materials to protect the magnets from strong external magnetic fields.
- Proper handling: Handle the magnets carefully to avoid mechanical stress, which can cause micro-cracks and affect magnetic performance.
- Storage: Store magnets in a cool, dry place, away from strong magnetic fields and corrosive environments.
3. Q: Are Sintered NdFeB Magnets susceptible to corrosion?
A: Yes, Sintered NdFeB magnets are susceptible to corrosion due to the presence of neodymium and iron in their composition. To prevent corrosion:
- Coating: Apply protective coatings such as nickel plating, zinc plating, or epoxy coating to protect the magnet from moisture and corrosive environments.
- Environment control: Store and use the magnets in dry environments to minimize exposure to humidity.
- Sealing: For applications in highly corrosive environments, consider sealing the magnets with additional protective layers or using corrosion-resistant materials in the surrounding structure.
- Standard NdFeB magnets (e.g., N35, N38) are generally suitable for temperatures up to 80°C to 100°C.
- High-temperature grades (e.g., N35M, N38H) can operate at higher temperatures, with some grades like N35AH or N38UH capable of withstanding temperatures up to 200°C.
4. Q: Can Sintered NdFeB Magnets be customized in terms of shape and size?
A: Yes, Sintered NdFeB magnets can be customized to meet specific application requirements. They can be produced in various shapes, including:
- Blocks
- Cylinders
- Rings
- Arcs
- Custom geometries
The customization process involves pressing the magnet powder into the desired shape and then sintering it. Custom sizes and dimensions can also be achieved through precision machining.
- Standard NdFeB magnets (e.g., N35, N38) are generally suitable for temperatures up to 80°C to 100°C.
- High-temperature grades (e.g., N35M, N38H) can operate at higher temperatures, with some grades like N35AH or N38UH capable of withstanding temperatures up to 200°C.
5. Q: How should I handle and store Sintered NdFeB Magnets to maintain their performance?
A: Proper handling and storage are crucial to maintaining the performance of Sintered NdFeB magnets:
- Handling:
- Use gloves: Wear gloves to prevent oils from your skin from transferring to the magnets, which can affect their surface and coating.
- Avoid dropping: Handle the magnets carefully to avoid mechanical stress and potential damage.
- Separate storage: Store magnets separately to prevent them from attracting each other, which can cause chipping or demagnetization.
- Storage:
- Dry environment: Store magnets in a cool, dry place to prevent corrosion.
- Away from magnetic fields: Keep magnets away from strong external magnetic fields to prevent demagnetization.
- Labeling: Clearly label the magnets with their grade, orientation, and other relevant information to avoid confusion.
- Standard NdFeB magnets (e.g., N35, N38) are generally suitable for temperatures up to 80°C to 100°C.
- High-temperature grades (e.g., N35M, N38H) can operate at higher temperatures, with some grades like N35AH or N38UH capable of withstanding temperatures up to 200°C.