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Such products are famous for its permanently magnetic Features. Nd-Fe-B bond have the highest magnetic properties, which
can choose the direction of magnetization of magnets and could be used to make complex cognitive shapes. Whats more, heat-resisting material and additives have been used on the magnetic coating, which can ensure an excellent stability against temperature. Besides, a special resin covering functions ensuring its good corrosion resistance.
| Grade | LHD-2 | LHD-4 | LHD-6 | LHD-8 | LHD-8H | LHD-10 | LHD-10H | LHD-12 | LHD-12L | LHD-13L |
| Br(mT) (KGs) | 200-300 2.0-3.0 | 350-450 3.5-4.5 | 500-600 5.0-6.0 | 600-650 6.0-6.5 | 650-700 6.5-7.0 | 680-720 6.8-7.2 | 700-720 7.0-7.2 | 720-750 7.2-7.5 | 750-800 7.5-8.0 | 750-800 7.5-8.0 |
| Hcb(KA/m) (KOe) | 160-240 2.0-3.0 | 240-320 3.0-4.0 | 318-358 4.0-4.5 | 358-438 4.5-5.5 | 478-557 6.0-7.0 | 398-478 5.0-6.0 | 398-478 5.0-6.0 | 438-517 5.5-6.5 | 398-478 5.0-6.0 | 398-478 5.0-6.0 |
| Hcj(KA/m) (KOe) | 400-560 5.0-7.0 | 597-670 7.5-8.5 | 557-716 7.0-9.0 | 636-796 8.0-10.0 | 875-1035 11.0-13.0 | 716-796 9.0-10.0 | 716-876 9.0-11.0 | 716-836 9.0-10.5 | 517-637 9.0-10.0 | 517-597 6.5-7.5 |
| (BH)max(KJ/m3) (MGOe) | 20-28 2.5-3.5 | 28-40 3.5-5.0 | 44-52 5.5-6.5 | 60-68 7.5-8.5 | 68-72 8.5-9.0 | 72-80 9.0-10.0 | 76-84 9.5-10.5 | 84-92 10.5-11.5 | 80-87 10.0-11.0 | 92-100 11.5-12.5 |
| reversible temperature coefficient (%/oC) | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 |
| Reversible magnetic conductivity (μH/m) | -0.10 | -0.11 | -0.10 | -0.12 | -0.13 | -0.10 | -0.11 | -0.10 | -0.11 | -0.08 |
| Hs KA/m KOe | ≥1600 ≥20 | ≥1600 ≥20 | ≥1600 ≥20 | ≥1600 ≥20 | ≥2000 ≥25 | ≥1600 ≥20 | ≥2000 ≥25 | ≥1600 ≥20 | ≥1600 ≥20 | ≥1600 ≥20 |
| T.C (oC) | 350 | 350 | 350 | 295 | 305 | 330 | 305 | 360 | 325 | 345 |
| T.max (oC) | 150 | 160 | 160 | 160 | 180 | 150 | 180 | 160 | 150 | 150 |
| Densityρ(g/cm3) | 4.0-5.0 | 5.0-5.5 | 5.0-5.5 | 5.8-6.0 | 5.8-6.0 | 6.0-6.2 | 6.0-6.2 | 6.2-6.4 | 6.2-6.4 | 6.2-6.4 |
| Grade | LHD-2 | LHD-4 | LHD-6 | LHD-8 | LHD-8H | LHD-10 | LHD-10H | LHD-12 | LHD-12L | LHD-13L |
| Br(mT) (KGs) | 200-300 2.0-3.0 | 350-450 3.5-4.5 | 500-600 5.0-6.0 | 600-650 6.0-6.5 | 650-700 6.5-7.0 | 680-720 6.8-7.2 | 700-720 7.0-7.2 | 720-750 7.2-7.5 | 750-800 7.5-8.0 | 750-800 7.5-8.0 |
| Hcb(KA/m) (KOe) | 160-240 2.0-3.0 | 240-320 3.0-4.0 | 318-358 4.0-4.5 | 358-438 4.5-5.5 | 478-557 6.0-7.0 | 398-478 5.0-6.0 | 398-478 5.0-6.0 | 438-517 5.5-6.5 | 398-478 5.0-6.0 | 398-478 5.0-6.0 |
| Hcj(KA/m) (KOe) | 400-560 5.0-7.0 | 597-670 7.5-8.5 | 557-716 7.0-9.0 | 636-796 8.0-10.0 | 875-1035 11.0-13.0 | 716-796 9.0-10.0 | 716-876 9.0-11.0 | 716-836 9.0-10.5 | 517-637 9.0-10.0 | 517-597 6.5-7.5 |
| (BH)max(KJ/m3) (MGOe) | 20-28 2.5-3.5 | 28-40 3.5-5.0 | 44-52 5.5-6.5 | 60-68 7.5-8.5 | 68-72 8.5-9.0 | 72-80 9.0-10.0 | 76-84 9.5-10.5 | 84-92 10.5-11.5 | 80-87 10.0-11.0 | 92-100 11.5-12.5 |
| reversible temperature coefficient (%/oC) | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 | 1.20 |
| Reversible magnetic conductivity (μH/m) | -0.10 | -0.11 | -0.10 | -0.12 | -0.13 | -0.10 | -0.11 | -0.10 | -0.11 | -0.08 |
| Hs KA/m KOe | ≥1600 ≥20 | ≥1600 ≥20 | ≥1600 ≥20 | ≥1600 ≥20 | ≥2000 ≥25 | ≥1600 ≥20 | ≥2000 ≥25 | ≥1600 ≥20 | ≥1600 ≥20 | ≥1600 ≥20 |
| T.C (oC) | 350 | 350 | 350 | 295 | 305 | 330 | 305 | 360 | 325 | 345 |
| T.max (oC) | 150 | 160 | 160 | 160 | 180 | 150 | 180 | 160 | 150 | 150 |
| Densityρ(g/cm3) | 4.0-5.0 | 5.0-5.5 | 5.0-5.5 | 5.8-6.0 | 5.8-6.0 | 6.0-6.2 | 6.0-6.2 | 6.2-6.4 | 6.2-6.4 | 6.2-6.4 |
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