At the technical level, we help customers reasonably and correctly select the type, grade, size and surface treatment of the magnets, provide various test results for reference, and provide professional packaging. Even provide more magnetic application solutions.
Surface | Coating | Thickness (Microns) | Color | Resistance |
Passivation | 1 | Silver Grey | Temporary Protection | |
Nickel | Ni+Ni | 10-20 | Bright Silver | Excellent Against Humidity |
Ni+Cu+Ni | ||||
Zinc | Zn | 8-20 | Bright Blue | Good Against Salt Spray |
C-Zn | Shinny Color | Excellent Against Salt Spray | ||
Tin | Ni+Cu+Sn | 15-20 | Silver | Superior Against Humidity |
Silver | Ni+Cu+Ag | 10-20 | Silver | Superior Against Humidity |
Gold | Ni+Cu+Au | 10-20 | Gold | Superior Against Humidity |
Copper | Ni+Cu | 10-20 | Gold | Temporary Protection |
Epoxy | Epoxy | 15-25 | Black,Red,Grey | Excellent Against Humidity&Salt Spray |
Ni+Cu+Epoxy | ||||
Zn+Epoxy | ||||
Parylene | Parylene | 5-20 | Grey | Excellent Against Humidity,Salt Spray,Superior Against Solvents,Gases, Fungi and Bacteria,FDA Approved |
Chemical | Ni | 10-20 | Silver Grey | Excellent Against Humidity |
Parameter | International Unit | Standard Data |
Curie Temperature(Tc) | ℃ | 310-380 |
Maximum Operating Temperature(Tw) | ℃ | 80-230 |
Hardness | Hv | 620 |
Electrical Resistivity (ᵨ) | Ω.cm | 1.8x10⁻⁴ ~2.0x10⁻⁴ |
Density(D) | g/m³ | 7.45~-7.65 |
Recoil Permeability(µ rec) | 1.05 | |
Magnetization Field Strength(Hs) | kA/m | ≧2400 |
kOe | ≧30 | |
Bending Strength | Mpa | 295-345 |
Temp. Coefficient of Br | ％℃ | -0.11~-0.12 |
Temp.Coefficient of Hcj | ％℃ | -0.5~-0.7 |
Common Magnet Shapes And Expressions Of Different Shapes
According to the actual needs, magnetic materials can be processed into different shapes. The common shapes mainly include round (disc and cylinder) magnet, square (block) magnet, ring magnet and arc magnet. Magnets with different shapes have different expression methods.
You can also buy irregular shapes (also called special-shaped magnets) from us, which including countersunk magnets, sphere magnets, cone magnets, heart-shaped magnets, star-shaped magnets, flower-shaped magnets,clasp magnets.
Please fill the form to let us know your need. Our sales will get in touch with you ASAP.
1 FLOOR, NO.128 BUILDING-1 128#, JIJIN ROAD, XIAOGANG, BEILUN, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
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