Chemical compositions in Nedoymium magnet are Nd and Fe. Because of its hardness, brittleness, oxidation and rust, this kind of surface should be coated, such as zinc, nickel, silver, gold, etc., also can do the phosphating treatment or spray epoxy resin to slow down the oxidation rate. |
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烧结钕铁硼镀层说明 Available Coatings Of Sintered NdFeB Magnets | |||||
镀层类型 Coating | 镀层厚度 Thickness | 颜色 Color | 压力试验 PCT | 盐雾时间 SST | 特征 Characteristic |
蓝白锌 Zn | 4-8μm | 蓝白色 Bright Blue | ＞24H-48H | 一般防护，适用于大多数产品 Regular Protection， Applic to most product | |
彩锌 Colored Zn | 4-8μm | 彩色 Shining Color | ＞48H-72H | 耐盐雾 Excellent salt apray resistance | |
镍铜镍 NiCuNi | 10-20μm | 银白色 Bright Silver | ＞48H-72H | ＞24H-72H | 耐盐雾，耐湿热 Excellent hunidity， heat ＆salt spray resistance |
化学镍 Electroless Nickel | 10-30μm | 银白色 Bright Silver | ＞72H | ＞96H | 耐盐雾，耐湿热 Excellent hunidity， heat ＆salt spray resistance |
特黑镍 Black Nickel | 10-20μm | 亮黑色 Bright Silver | ＞72H | ＞48H-96H | 耐盐雾，耐湿热 Excellent hunidity， heat ＆salt spray resistance |
锡 Sn | 10-25μm | 银色 Silver | ＞48H | ＞36H-72H | 耐盐雾，耐湿热 Excellent hunidity， heat ＆salt spray resistance |
环氧 Epoxy | 10-30μm | 黑色或灰色 Black or Grey | ＞72H-108H | 耐盐雾，耐湿热，结合力好 Excellent hunidity，heat ＆salt spray resistance，excellent adhesion | |
磷化/钝化 Phosphated /passivation | ≤1μm | 深灰色 Dark Grey | ≤2.5H Emerge in 3% NaCl liquor | 临时性保护 Temporary Protection | |
埃弗洛 Everlube | 8-20μm | 黄色 Yellow | ＞72H | ＞96H | 耐盐雾，结合力好 Excellent salt spray resistance， Excellent adhesion |
镍铜镍-金 Golden | 10-15μm | 金色 Golden | ＞48H | ＞12H | 透亮好看 Good looking |
注：对不同产品的盐雾试验、PCT试验时间，视实际形状而定 Notes：For different products，the salt spray and PCT time varies with the shape and size of the product. | |||||
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 | Eric Wang |
 | +86 519-8518 9192 |
 | +86 519-8518 9199 |
 | eric@xt-magnet.com |
