100Pcs Super Strong Neodymium Magnet Blocks Powerful Rare-Earth Magnets 30*10*3mm

Description:
NdFeB magnets are permanent magnets with super strong magneticforce . It usually make some protective surface treatment to prevent from rustingsuch as nickel plating, galvanizing, epoxy plating, etc.
 
Features:
1. Super strong magnetic force - Once they get stuck with each other,they are hard to separate.
2. Its surface has been treated with rust protection.
3. With permanent magnetic force and long service life.
4. Perfect for sticking notes on fridge doors and DIY projects.
5. Widely used in electrical appliances, packaging, motors, automotivemachinery, etc.
 
Specification:
Material: Neodymium Iron Boron
Quantity: 20pcs, 50pcs, 100pcs (Optional)
Coercivity: 876-915 KA/m
Intrinsic Coercivity: > 995 KA/m
Remanence: 1.77-1.33 T
Maximum Magnetic Energy: 358000 KJ/m3
Density: 7.45 g/cm3
Operating Temperature: 80-180 ℃
Curie Temperature: 80 ℃
Size: 30*10*3mm / 1.18*0.39*0.12in
Weight: Approx. 85g (20pcs), 210g (50pcs), 423g (100pcs)
 
Package Includes:
20/50/100 x Magnets