Technical Specifications
Material: Strontium Ferrite (SrFe) / Barium Ferrite (BaFe)
Magnetic Grade: Y30, Y30BH, Y35 (customizable according to motor requirements)
Magnetic Properties:
Residual Induction (Br): 380–420 mT
Coercive Force (HcJ): ≥ 240 kA/m
Intrinsic Coercivity: High resistance to demagnetization
Operating Temperature: Up to 250°C (depending on grade)
Shape Options: Ring, Segment, Block (commonly ring-type for fan motors)
Dimensions:
Outer Diameter: 20–120 mm
Inner Diameter: 8–80 mm
Thickness: 2–20 mm
(All dimensions can be customized based on motor structure)
Professional Magnet Manufacturer
Our production facility is fully equipped with advanced manufacturing equipment, including Smelting Furnaces for raw material melting, Jet Mills for ultra-fine powder processing, Hydrogen Rupture Furnaces for enhanced powder activity, and high-precision Sintering Furnaces that ensure stable magnetic properties. This integrated production line enables us to maintain strict control over every processing stage-from material refinement to final magnetization. With automated testing systems and large-scale output capacity, we deliver consistent quality, high efficiency, and reliable supply for cooling fan motor manufacturers and other industrial clients worldwide.
FAQ
Can you provide samples for testing before mass production?
Absolutely. We provide free samples for standard sizes and offer quick prototype sampling for customized magnets.
What inspection items do you perform before shipment?
Every batch is tested for magnetic flux, dimensional tolerance, density, appearance, demagnetization curve, and mechanical strength.
Do you support long-term supply for large OEM manufacturers?
Yes. With our complete sintering and powder processing lines, we provide stable annual supply and support long-term contracts for OEM/ODM customers.
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