customized high quality heat resistant powerful Black Epoxy coating Neodymium Block Magnet
Product Overview & Application Scenarios
These customized high energy density corrosion resistant high quality heat resistant powerful Black Epoxy coating Neodymium Block Magnets are engineered for both household and industrial use, delivering exceptional magnetic strength for organizing tools, fastening objects, or crafting custom storage systems. In professional environments, they are widely utilized in manufacturing, engineering, and product development, where their high-performance grip guarantees accurate component alignment and secure placement.
These customized precision engineered superior holding capability high quality heat resistant powerful Black Epoxy coating Neodymium Block Magnets also play a crucial role in the automotive and aerospace sectors, firmly holding critical parts during assembly processes. Thanks to their versatility and reliability, these magnets ensure consistent performance across countless applications, making them indispensable in both everyday and high-precision settings.
Technical Specifications
- Product Name: customized high quality heat resistant powerful Black Epoxy coating Neodymium Block Magnet
- Magnet Grade: N52 (Br ≥14.2 kGs, Hcj ≥12 kOe)
- Dimension: L15*10*1.8mm
- Dimensional Tolerance: +/-0.05
- Operating Temperature: ≤80°C (High-temp versions available)
- Density: ≥7.5 g/cm³
- Surface Magnetic Field: 2,200 Gs
- Magnetic Flux : 2.0 mWb (Fluxmeter-tested)
Surface Treatment & Coating Technology
To enhance these customized industrial use fast response high quality heat resistant powerful Black Epoxy coating Neodymium Block Magnets’ corrosion resistance, surface quality, and magnetic stability, the following treatments are used:
Edge Reinforcement: Laser cladding with nickel-based alloy at magnet seams (prevents electrochemical corrosion)
Edge Rounding: Reduces magnetic field distortion
Default Coating: Triple layer Ni-Cu-Ni (customizable)
Standard Thickness: Ni (3μm) + Cu (5μm) + Ni (4μm)
Optional Coatings: Gold or silver plating for better conductivity and corrosion resistance
Appearance & Dimensional Inspection Standards:
- Manual inspection with calipers and angle gauges
- Visual inspection under standard lighting (800–1200 lux)
- 2D imaging system for irregular geometry accuracy
- Magnetic field and polarity verification
- Custom fixture-based slot and wedge matching checks
Reliability Testing:
- High-temperature aging test (200–250°C)
- Humidity exposure (up to 96 hrs at 95% RH)
- Demagnetization stability test under load
- Vibration and assembly stress testing
Packaging Process & Instructions:
- Sorting and inspection before packaging
- Mated wedge pairs aligned and packed to preserve orientation
- Vacuum sealed or shrink-wrapped for moisture control
- Internal partitions or foam to prevent chipping
- Cartons labeled with grade, quantity, and orientation
Application Fields:
- Brushless DC Motors (BLDC): Segment rotor rings for consistent torque and magnetic balance
- Generator Rotors: Wedge layout for compact flux path control
- Magnetic Couplings: Torque transmission in chemical pumps
- Household Appliances: Motors in air conditioners, washing machines, etc.
- Automotive: Power steering, windshield motors, seat actuators
- Fan Blowers and HVAC Systems: Cost-effective and stable rotor design
Usage Precautions:
- Handle with care to avoid chipping; ferrite is brittle
- Avoid sudden temperature shocks post-sintering
- Store in dry environments away from alkaline substances
Contact Us:
Phone: +86 18038225892
Email: helen@jinconn.com
Address: Xiaohe Industrial Zone, Daojiao Town, Dongguan City, Guangdong Province, China
