ISO NdFeB / PA12
RY-NT240L
ISO NdFeB + PA12IsotropicInjection MoldingRev. 2026.03
Product image placeholder — replace with Ruiyi photo / SEMImage ratio 2.35:1
Key properties
Typical values · SI / CGSResidual induction · Br
400-560mT
4.0-5.6 kGs
Coercive force · Hcb
183-318kA/m
2.3-4.0 kOe
Intrinsic coercivity · Hcj
270-772kA/m
3.4-9.7 kOe
Max. energy product · (BH)max
27.8-35.8kJ/m³
3.5-4.5 MGOe
Density
5.2-5.35g/cm³
Molded density
Melt Flow Rate
300-500g/10min
270 °C / 5 kg
Technical specification
Rare Earth Magnetic Compound (Ruiyi) 2026 · p.1
| Property | Unit | Value · RY-NT240L |
|---|---|---|
| Magnetic properties / 磁性能 | ||
| Residual induction · Br · 剩磁 | mT | 400-560 |
| Coercive force · Hcb · 磁感矫顽力 | kA/m | 183-318 |
| Intrinsic coercivity · Hcj · 内禀矫顽力 | kA/m | 270-772 |
| Max. energy product · (BH)max · 最大磁能积 | kJ/m³ | 27.8-35.8 |
| Rev. temp. coeff. of Br · 剩磁温度系数 | %/°C | -0.183 |
| Rev. temp. coeff. of Hcj · 矫顽力温度系数 | %/°C | -0.273 |
| Mechanical properties / 力学性能 | ||
| Tensile strength · ASTM D638 · 拉伸强度 | MPa | ≥40 |
| Flexural strength · ASTM D790 · 弯曲强度 | MPa | ≥80 |
| Flexural modulus · ASTM D790 · 弯曲弹性率 | GPa | ≥12 |
| IZOD impact strength · ASTM D256 · IZOD 冲击强度 | kJ/m² | ≥8 |
| Physical properties / 物理特性 | ||
| Density · 密度 | g/cm³ | 5.2-5.35 |
| Melt flow rate (270 °C / 5 kg) · 流动性 MFR | g/10min | 300-500 |
| Molded shrinkage · 收缩率 | % | 0.3-0.5 |
| Injection molding conditions / 射出成型条件 | ||
| Pre-drying · 干燥条件 | °C / hr | 80 °C / 4 h |
| Barrel temp. T1 (feed) · 料筒 T1 | °C | 230 |
| Barrel temp. T2 · 料筒 T2 | °C | 245 |
| Barrel temp. T3 (nozzle) · 料筒 T3 | °C | 250 |
| Mold temperature · 模具温度 | °C | 80 |
| Injection pressure · 射出压力 | MPa (kg/cm²) | 105.7 (1079) |
| Set speed · 设定速度 | % | 60 |
Specifications are for reference only. Final values are subject to the official TDS. Rare Earth Magnetic Compound (Ruiyi) 2026 · p.1. Molding conditions are provided for customer reference.
Processing notice: the maximum barrel temperature for nylon (PA) compounds must not exceed 280 °C. Molding conditions are provided for reference and can be customised on request.
Demagnetisation curve
Placeholder — supply measured B-H dataTypical applications
BLDC & stepping motor rotors
Injection-molded magnetic parts with oriented pole patterns.
Multipole encoder rings
Injection-molded magnetic parts with oriented pole patterns.
Automotive actuators & sensors
Injection-molded magnetic parts with oriented pole patterns.
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