Hard Ferrite Magnets Ceramic Magnet Round Disk

Ceramic Magnets Hard Ferrite Magnet

Commonly, Hard Ferrite Magnet is compund by ceramic Fe2O3,BaCO3 or SrCo3 powders.Soft ferrite magnets are compunded by Fe2O4,Zinc,Nickel and Manganess.The density of ferrite magnets about 5g/cm3,They are both electrically nonconductive and ferrimagnetic.  Hard ferrites have higher coercivity and higher remanence after magnetization.  Ferrite magnets are cheap and widely applied in house hold appliance like horse shoe shaped 
magnets, metric motors, loud speakers, earphones .Soft ferrite magnets have been extensively used in the cores
of RF tranformers , 
inductors, magnetic recorders.

Due to the low cost, ferrite magnets is a widely applied permanent magnet materials.
Hard Ferrite Magnets Ceramic Magnet Round Disk
For contact, please kindly tell the size,and possible quantity, If there is any thing we can do, please free to contact us for the detail informations.
 

Samsung lm301b Quantum Board 110W

Samsung lm301b Quantum Board 110W, QB350 model, 1board with 350pcs led, meanwell driver, can do knob timer(optional).Can also do spectrum customized. Meanwell driver provide 5 yes warranty, normall driver 1yr warranty.

240W, 450W,600W available too.

System Led Grow Light works both for seeding, veg and bloom stages, promote the plant growth.

System Led Grow Light

Led Grow Bar Full Spectrum Hydroponic

Led Grow Light Complete Kit

Grow Light Quantum Board,Best Quantum Board Grow Light,Diy Quantum Board Grow Light,Samsung Quantum Led Board

Shenzhen Wenyi Lighting Technology Co., Ltd , https://www.wygrows.com