neodymium speaker magnets

2015 product   Strong neodymium speaker magnet    1 Product HS Code : 85051110.00  or 8505 1190.00   2. Meterial Composition :  Neodymium,Iron,Boron Magnet ,  (Nd-Fe-B) magnet, strong magnet,   3. Advantage of strong magnet  High energy for size Very high resistance to demagnetization Good in ambient temperature Moderately priced Material is corrosive and should be coated for long term maximum energy output 4. Grades of Neodymium Magnet : N33-N52, 33M-48M, 33H-48H, 30SH-45SH, 30UH-38UH,30EH-35EH;28AH-35AH      (more higher grade will be in more higher cost,  stardard Grade N35 is with best price basic)   M, H, SH, UH, EH , AH is for magnet max working tempature different, also cost is not the same.  )          5. Shapes and sizes:  OEM vary different shape and size as per client's demand.   6. Magnet Surface Coatings:     Neodymium Magnet is Easy get  oxidation, it need the magnet surface plating      including Nickel,Zinc,Copper, Ni-Cu-NI, Black Ni,  Phosphating,epoxy, etc
  Plating Characteristics      

Plating Type	Overall Thickness	Salt Spray Testing
Ni-Cu-Ni	12-21 um	24 hours
NiCu+ Epoxy	20-28 um	48 hours
Zinc	7-15 Um	12 hours
NiCuNi+Gold	16-23 um	36 hours

        
    7. Magnet  Magnetization Direction:  a. Thickness Magnetized  B. Axially Magnetized    c. Diametrally Magnetized d. Multi-poles magnetized e. Radial Magnetized f. Customzied specific requirements magnetized   

    8. Company  Quality Control :      Sunny Fore Magnet pass ISO 2008:9001 quality system certification,     Magnet productin pass SGS RoHS, REACH, EN71-3 testing report    9.  Magnet life :        Permament ??  Yes, Neodymium magnet is with Permanent Magnet power is working tempature under requested max working temp.    10 . Payment way of sunny fore magnet ?        T/T or , Paypal, or L/C,   most way is  30% desposit, 70% again B/L.   11. Export Experience:         sunny fore magnet export since 2007, have export to US, Germany, Italy, Turkey, Canada, Mexico, India , etc country.     12. lead time: 1 days is have stock, within 28 days for big order mass product     13, Shipping way:  Can magnet arrange ship by air ?? the anwer is : Yes, it is okay to ship by air after the magnet with goods and suitable airshipment packing, the detail is  The maximum field strength observed at a distance of 2.1m (7ft) is less than 0.159 A/m (0.002 gauss) and there is no significant compass deflection (less than 0.5 degree) ,   14, Shipping day:/ by courier 3 days / by air 7 days/ by sea about 30 days   15. Take attention of Magnet strong Power Warming : the stong magnets are dangerous when big size and magnetized.If your fingers are trapped between two they will cut your skin.Please be note they should only be handled with great care . Please tell us following information when you mean    Contact way Sunny Fore Magnet in Jiangmen City, Guangdong. We are  welcome for your facory  visiting.   Feel Free to send us mail or leave message when you need magnet quotaiton. :

Contact us if you need more details on Neodymium Speaker Magnets. We are ready to answer your questions on packaging, logistics, certification or any other aspects about N35 Neodymium Speaker Magnets、Neodymium Speaker Magnets. If these products fail to match your need, please contact us and we would like to provide relevant information.

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