Neodymium Block Magnets

As a leading NdFeB magnet manufacturer in China, MAG SPRING offers a wide range of high-quality magnet types, including Neodymium Block Magnets, Neodymium Ring Magnets, Neodymium Disc Magnets, and Neodymium Cylinder Magnets, tailored to meet diverse application needs. As a trusted supplier, we maintain a robust inventory of permanent magnets, such as NdFeB Magnets and Neodymium Ring Magnets. Our efficient logistics ensure rapid delivery times, enabling us to meet urgent customer requirements with timely and reliable supplies.

Product Overview

Our Neodymium Block Magnets (also known as NdFeB Block Magnets or Cube Magnets) are high-performance permanent magnets engineered for demanding industrial applications. Manufactured using sintered Neodymium-Iron-Boron (NdFeB) technology, these block magnets deliver exceptional magnetic strength and stability. We offer custom sizes up to 255mm x 200mm x 150mm x 80mm, with magnetization through the 80mm thickness, and a full range of magnetic grades to match your specific performance requirements.

Technical Specifications

• Product Type: Neodymium Block Magnets / Cube Magnets
• Material: Sintered Neodymium-Iron-Boron (NdFeB)
• Max. Size: 255mm x 200mm x 150mm x 80mm
• Magnetization Direction: Through 80mm thickness
• Grades: Full range of standard and high-performance NdFeB grades available
• Coatings: NiCuNi (Ni-Ni), White Zinc, Color Zinc, Epoxy, Phosphating, Teflon, Gold (Au), Silver (Ag), and custom coatings

Protective Coatings

To enhance corrosion resistance and extend service life in various operating environments, our Neodymium Block Magnets are available with a selection of protective coatings:

• NiCuNi (or Ni-Ni): Standard industrial coating for excellent corrosion resistance
• Zinc (White/Color): Cost-effective corrosion protection for general applications
• Epoxy: Chemical-resistant coating ideal for harsh environments
• Phosphating/Teflon: Specialized coatings for unique operational requirements
• Gold (Au)/Silver (Ag): High-performance coatings for precision and conductivity-critical applications

Applications

Neodymium Block Magnets are widely used across high-performance industrial sectors, including:

• Magnetic Separators for material purification
• MRI Systems for medical imaging
• Traction Machines & Wind Turbines for renewable energy
• Servo Motors & Linear Motors for industrial automation
• Hybrid/Battery Electric Vehicle (HEV/BEV) Motors
• Compressor Motors and other high-efficiency drive systems

Advantages

• Exceptional magnetic strength and energy product for compact, high-performance designs
• Customizable sizes, grades, and coatings to match application needs
• Stable performance across wide temperature ranges (grade-dependent)
• RoHS compliant and environmentally responsible manufacturing
• Low minimum order quantity (MOQ = 1 piece) for prototyping and small-batch needs
• Flexible production lead times (7-30 days) to meet project timelines

Production and Delivery

• Production Lead Time: 7-30 days, depending on order quantity and material grade
• Minimum Order Quantity (MOQ): 1 piece (supports prototyping and small-scale production)
• Packaging: Standard export packaging optimized for air or sea shipment, customizable per customer requirements
• Logistics: Efficient global supply chain for reliable, timely delivery

Quality and Compliance

Our Neodymium Block Magnets are manufactured under strict quality control processes:

• Sintered Neodymium block production with precision grinding and cutting
• Demagnetization curve testing to validate magnetic performance
• Coating application and rigorous quality inspection
• Secure packaging to prevent damage during transit
• All products are fully RoHS compliant

Certifications & Compliance

• ISO9001 Quality Management System certified
• ISO14001 Environmental Management System certified
• Products meet EU RoHS directive requirements

FAQs

Q: What is the maximum size of Neodymium Block Magnets you can produce?
A: We can manufacture block magnets up to 255mm x 200mm x 150mm x 80mm, with magnetization through the 80mm thickness.

Q: What coatings are available for corrosion protection?
A: We offer NiCuNi, Zinc (white/color), Epoxy, Phosphating, Teflon, Gold, Silver, and other custom coatings based on your needs.

Q: What is the minimum order quantity (MOQ)?
A: Our MOQ is 1 piece, making it easy to prototype or test small quantities before full production.

Q: How long is the production lead time?
A: Lead times range from 7 to 30 days, depending on order quantity and material grade selection.

About Us

As NdFeB Magnets China's leading manufacturer, Mag-spring was established in 2003 and is located in Ningbo, Zhejiang Province, China. It is a comprehensive manufacturer of magnetic application products, specializing in the research, design and production of magnetic filters and various magnetic application components.

The company has a group of professional technicians and production equipment, operates strictly in accordance with the ISO9001 quality system, and continuously strengthens internal management. While the company is constantly developing, it pays attention to environmental protection. It is an ISO14001 certified enterprise, and the company's products meet the requirements of the EU ROHS directive.

Based on the enterprise tenet of "efficiency, perfection, harmony and dedication" and the enterprise slogan of "everything we handle must be excellent", with many years of experience in research, design, manufacturing and sales in the field of magnetic products, the company's products have been recognized by many customers at home and abroad. We will sincerely look forward to cooperating with you with high-quality products, preferential prices and the best services.