Product Photos:
Standard Specification for Sunnyfore Sintered NdFeB Magnets
| Grade | Remanence (Br) | Coercive Force (Hcb) | Intrinsic Coercive Force (Hci) | Max Energy Product       (BH) max | Working temp. | ||||
| KGs | T | Koe | KA/m | KOe | KA/m | MGoe | Kj/m3 |  ºC | |
| N35 | 12.2-11.8 | 1.22-1.18 | ≥10.8 | ≥860 | ≥12.0 | ≥960 | 36-33 | 286-260 | ≤80 |
| N38 | 12.6-12.2 | 1.26-1.22 | ≥10.8 | ≥860 | ≥12.0 | ≥960 | 38-36 | 303-286 | ≤80 |
| N40 | 12.9-12.6 | 1.29-1.26 | ≥10.8 | ≥860 | ≥12.0 | ≥960 | 40-38 | 318-303 | ≤80 |
| N42 | 13.2-12.8 | 1.32-1.28 | ≥11.0 | ≥875 | ≥12.0 | ≥960 | 42-40 | 334-318 | ≤80 |
| N45 | 13.8-13.3 | 1.38-1.33 | ≥11.0 | ≥875 | ≥12.0 | ≥960 | 45-43 | 358-342 | ≤80 |
| N48 | 14.1-13.7 | 1.41-1.37 | ≥10.5 | ≥836 | ≥12.0 | ≥960 | 49-46 | 390-358 | ≤80 |
| N50 | 14.3-14.0 | 1.43-1.40 | ≥10.5 | ≥836 | ≥11.0 | ≥960 | 51-47 | 406-374 | ≤80 |
| N52 | 14.5-14.2 | 1.45-1.42 | ≥10.5 | ≥836 | ≥11.0 | ≥875 | 53-49 | 422-390 | ≤80 |
| N33M | 11.8-11.4 | 1.18-1.14 | ≥10.3 | ≥820 | ≥14.0 | ≥875 | 33-31 | 263-247 | ≤100 |
| N35M | 12.2-11.8 | 1.22-11.8 | ≥10.8 | ≥860 | ≥14.0 | ≥1114 | 36-33 | 286-260 | ≤100 |
| N38M | 12.6-12.2 | 1.26-12.2 | ≥11.0 | ≥875 | ≥14.0 | ≥1114 | 38-36 | 303-286 | ≤100 |
| N40M | 12.9-12.6 | 1.29-1.26 | ≥11.0 | ≥875 | ≥14.0 | ≥1114 | 40-38 | 318-303 | ≤100 |
| N42M | 13.2-12.8 | 1.32-1.28 | ≥11.5 | ≥910 | ≥14.0 | ≥1114 | 42-40 | 334-318 | ≤100 |
| N45M | 13.8-13.3 | 1.38-1.33 | ≥11.8 | ≥938 | ≥14.0 | ≥1114 | 45-43 | 358-334 | ≤100 |
| N48M | 14.1-13.7 | 1.41-1.37 | ≥11.8 | ≥938 | ≥14.0 | ≥1114 | 49-46 | 390-358 | ≤100 |
| N50M | 14.3-14.0 | 1.43-1.40 | ≥11.8 | ≥938 | ≥13.5 | ≥1075 | 51-47 | 406-374 | ≤100 |
| N30H | 11.4-10.8 | 1.14-1.08 | ≥9.8 | ≥780 | ≥17.0 | ≥1356 | 30-28 | 239-223 | ≤120 |
| N33H | 11.8-11.4 | 1.18-1.14 | ≥10.3 | ≥820 | ≥17.0 | ≥1356 | 33-31 | 263-247 | ≤120 |
| N35H | 12.2-11.8 | 1.22-1.18 | ≥10.8 | ≥860 | ≥17.0 | ≥1356 | 36-33 | 286-260 | ≤120 |
| N38H | 12.6-12.2 | 1.26-1.22 | ≥11.0 | ≥875 | ≥17.0 | ≥1356 | 38-36 | 303-286 | ≤120 |
| N40H | 12.9-12.6 | 1.29-1.26 | ≥11.0 | ≥875 | ≥17.0 | ≥1356 | 40-38 | 318-303 | ≤120 |
| N42H | 13.2-12.8 | 1.32-1.28 | ≥11.5 | ≥915 | ≥17.0 | ≥1356 | 42-40 | 334-318 | ≤120 |
| N45H | 13.8-13.3 | 1.38-1.33 | ≥11.8 | ≥938 | ≥17.0 | ≥1356 | 46-43 | 358-342 | ≤120 |
| N46H | 13.9-13.6 | 1.39-1.36 | ≥12.3 | ≥980 | ≥17.0 | ≥1356 | 47-44 | 374-345 | ≤120 |
| N48H | 14.1-13.7 | 1.41-1.37 | ≥12.6 | ≥1010 | ≥16.0 | ≥1270 | 49-46 | 390-358 | ≤120 |
| N30SH | 11.4-10.8 | 1.14-1.08 | ≥9.8 | ≥780 | ≥20.0 | ≥1600 | 30-28 | 239-223 | ≤150 |
| N33SH | 11.8-11.4 | 1.18-1.14 | ≥10.3 | ≥820 | ≥20.0 | ≥1600 | 33-31 | 263-247 | ≤150 |
| N35SH | 12.2-11.8 | 1.22-1.18 | ≥10.8 | ≥860 | ≥20.0 | ≥1600 | 36-33 | 286-260 | ≤150 |
| N38SH | 12.6-12.2 | 1.26-1.22 | ≥11.0 | ≥875 | ≥20.0 | ≥1600 | 38-36 | 303-286 | ≤150 |
| N40SH | 12.9-12.6 | 1.29-1.26 | ≥11.0 | ≥875 | ≥20.0 | ≥1600 | 40-38 | 318-303 | ≤150 |
| N42SH | 13.2-12.8 | 1.32-1.28 | ≥11.5 | ≥915 | ≥20.0 | ≥1600 | 42-40 | 334-318 | ≤150 |
| N45SH | 13.6-13.3 | 1.36-1.33 | ≥11.8 | ≥938 | ≥20.0 | ≥1600 | 46-42 | 358-334 | ≤150 |
| N28UH | 10.8-10.4 | 1.08-1.04 | ≥9.3 | ≥740 | ≥25.0 | ≥2000 | 28-26 | 223-207 | ≤180 |
| N30UH | 11.4-10.8 | 1.14-1.08 | ≥9.8 | ≥780 | ≥25.0 | ≥2000 | 30-28 | 239-223 | ≤180 |
| N33UH | 11.8-11.4 | 1.18-1.14 | ≥10.3 | ≥820 | ≥25.0 | ≥2000 | 33-31 | 263-247 | ≤180 |
| N35UH | 12.2-11.8 | 1.22-1.18 | ≥10.8 | ≥860 | ≥25.0 | ≥2000 | 36-33 | 286-260 | ≤180 |
| N38UH | 12.6-12.2 | 1.26-1.22 | ≥11.0 | ≥875 | ≥24.0 | ≥1910 | 38-36 | 286-260 | ≤180 |
| N28EH | 10.8-10.4 | 1.08-1.04 | ≥9.3 | ≥740 | ≥30.0 | ≥2400 | 28-26 | 223-207 | ≤200 |
| N30EH | 11.4-10.8 | 1.14-1.08 | ≥9.8 | ≥780 | ≥30.0 | ≥2400 | 30-28 | 239-223 | ≤200 |
| N33EH | 11.8-11.4 | 1.18-1.14 | ≥10.3 | ≥820 | ≥30.0 | ≥2400 | 33-31 | 263-274 | ≤200 |
| N35EH | 12.2-11.8 | 1.22-1.18 | ≥10.8 | ≥860 | ≥30.0 | ≥2400 | 36-33 | 286-270 | ≤200 |
Physical Properties:Â
| Temp.Coeff.of Br | -0.09~-0.11%/ºC |
| Density: | 7.5~7.6g/cm3 |
| Vickers hardness: | 600Hv |
| Tensile Strength: | 8.0kg/mm2 |
| Specific Heat: | 0.12kcal/(kg,ºC) |
| Young's.Modulus: | 1.6x1011N/m2 |
| Poisson's.Ratio: | 0.24 |
| Curie Temperature: | 310-340ºC |
| Temp.Coeff.of Hc: | 0.5~-0.60%/ºC |
| Electrical Resistivity: | 114μΩ.cm |
| Flexural Strength: | 25kg/mm |
| Coeff.of.Thermal Expansion: | 4x10-6/ºC |
| Thermal Conductivity: | 7.7kcal(m.h.ºC) |
| Rigidity: | 0.64N/m2 |
| Compressibility: | 9.8x10-2m2/N |
| Relative Recoil Permeability urec: | 1.05 |
Characteristics of Surface Treatment
Performance |
Zn | Double Ni | NiCuNi | Electroless Ni | Epoxy |
|
Colour  |
White | Silver | Silver | Silver | Black |
|
Thickness(μ m)  |
8-15 | 15-20 | 15-30 | 10-20 | 10-30 |
| Pressure Cooker Test (120C,2atm, 100% RH) | >15hr | >24hr | >48hr | >24hr | >24hr |
| Salt Spray Test (5% NaCI,35ºC,1.2atm) |
>24hr | >24hr | >48hr | >72hr | >100hr |
Shipment and Packing
Delivery by Sea,Air and Express
Packing:
1.standard packing by Sea or door to door express.
2.antimagnetics iron and foam special packing by Air shipment.
3. exquisite packing shipment according to client's requirement.
standard packing demension reference:
| Air shipment | Inner Box | Air carton |
| Size: | 12x8x5cm | 29X23X14cm |
| Sea Shipment | inner box | sea caton |
| Size: | 12x8x5cm | 28X14X13cm |
Sunny fore have 9 years export experience and transportaion experience,
We will arrange air shipment in good condtion.
Contact  US
We Produce and sell magnet, feel free to contact us if you want to get price list or have any inquiry , by telling us following detail: Â
Dimensions, sizes, shape and drawing with tolerance.
Material grade or magnetic properties.
Magnetic direction, quantity.
Surface coating (if necessary)
 Quality Control
Sunnfore qualified by ISO9001:2008, certificat by RoHs, REACH, MSDS.
Company Information
Jiangmen Xinlike magnet  Co., Ltd (Sunny fore magnet company limited) located in Jiangmen, Guangdong province.Â
We Special in making magnet for more than 20 years, start to export magnet since 2007.Â
Our mail producting inlcuding : neodymium magnet,Sintered NdFeB magnet, Â permanent magnet.Â
Our factory magnet quality and is higher than average, the price is just on average basicÂ
And thanks for the support our dear client, Jiangmen Xinlike magnet Co. LTd Sunny Fore Magnet Pass ISO9001:2008 System standards 
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FAQ
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Sunnyfore Culture
Company Mission:
Integrity to provide valued products and customer-satisfied services; adhering to forge ahead, doing fine and strong , sustainable development; build a harmonious and efficient platform for creating career employees; create corporate wealth, public feedback, promote social progress.
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Business philosophy:
Practices orderly treat people fair and equitable work environment for scientific and efficient operating democratic and transparent beautiful pleasant harmonious development of enterprises.
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Company spirit:
Initiative and enterprise reform and dedication.
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