- Material grade (N35, N38, N50, N38SH...) or magnetic properties: (BH)max, Br, iHc and bHc...
- Sizes, shapes (block, disc, cylinder, ring, segment...), and tolerances (send drawings if possible),
- Magnetization direction (e.g. think, axial direction),
- Coatings on surface (Zinc, Nickel, Nickel+Tin, Nickel+Copper+Nickel, Gold, Epoxy, Nickel+Epoxy),
- Maximium working temperarture (80°C - 240°C),
- Quantity (Annual quantity, lot size, samples quantity...),
- Other requirements (target prices, packing method, delivery time...)
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