Description
HS Magnet’s ferrite sphere (ball) magnets, available in diameters Ø5, 10, 15, 20, 25 and 30 mm, combine reliable magnetic performance with excellent chemical and thermal stability. Machined from high-grade BaFeO ferrite, these precision spheres are ideal for industrial, educational and decorative applications.
Key Features
- Material & Magnetic Properties
• Alloy: Hard ferrite (BaFe₁₂O₁₉)
• Remanence (Br): ≈ 0.25 T
• Maximum energy product (BHₘₐₓ): ≈ 3.0 MGOe
• Coercivity (Hcb): ≥ 200 kA/m
• Maximum operating temperature: up to 250 °C - Dimensions & Tolerances
Available diameters: Ø 5.00 mm, 10.00 mm, 15.00 mm, 20.00 mm, 25.00 mm, 30.00 mm
Standard tolerance: ± 0.30 mm (± 0.15 mm available on request) - Magnetization & Finish
• Standard: diametric (through-diameter dipole)
• Custom pole patterns available
• Natural (uncoated) finish; optional epoxy coating for added chip resistance - Packaging & Handling
• Individually bagged with foam separators
• Tray or bulk packaging to prevent impact damage
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