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The main material of neodymium magnets is iron. So it is easy for neodymium magnets to get rusty. That is why neodymium magnets are plated in NicuNi, Zn, epoxy etc. In addition, neodymium magnets are fragile and very easy to get broken during application. Thus plastic covered neodymium magnets are designed to protect magnets from corrossion and being broken. Plastic covered neodymium magnets are widely used in office as push pin magnets and also in bad working conditions such as oil and water etc.
The wall thickness of plastic is normally about 0.5mm-1mm. The magnetic force will be reduced much if the plastic is thick. Plastic covered neodymium magnets could be made in different sizes and shapes. Almost all colors such as white, black, yellow, green, glue, red etc are available.
The main material of neodymium magnets is iron. So it is easy for neodymium magnets to get rusty. That is why neodymium magnets are plated in NicuNi, Zn, epoxy etc. In addition, neodymium magnets are fragile and very easy to get broken during application. Thus plastic covered neodymium magnets are designed to protect magnets from corrossion and being broken. Plastic covered neodymium magnets are widely used in office as push pin magnets and also in bad working conditions such as oil and water etc.
The wall thickness of plastic is normally about 0.5mm-1mm. The magnetic force will be reduced much if the plastic is thick. Plastic covered neodymium magnets could be made in different sizes and shapes. Almost all colors such as white, black, yellow, green, glue, red etc are available.
