10/20Pcs High-Frequency Manganese Zinc Cylinders, Diameter 5,6,8,10,12,16-20mm Magnetic flux density: 3700 - 4000 MT. This product is suitable for quenching machines with a frequency of 20 kHz - 2000 kHz. Curie temperature: below 3 20°C. Diode Rectifier. Density: 4.8 - 5.2 g/cm³. byJuly 4, 2026
