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75mm Blue & Red Painted Bar Permanent Magnet Ferrite for Kids, Strontium Ferrite Bar Ceramic Rectangular Magnet with North & South, Science Anisotropic Ferrite Bar Magnets, Traditional Rectangle Shaped Magnet FERRITE Ceramic School Teaching Education Tool, Ferrite Ceramic Rod Bar Block Magnet China Factory
75mm Blue & Red Painted Bar Permanent Magnet Ferrite for Kids Specification:
Part No.: MPFBM-04
Material: Hard Ferrite / Ceramic
Shape: Bar (Block)
Grades: Y30 / Y35
Color: custom / red-green / red-blue / No or pure color
Application: School Educations Tool / Kids Toy
Two 75x18x6.5mm bar magnets were placed in contact with opposing poles (N:N). They were released & the distance caused by the repulsive force was measured.
This 75mm blue & red painted bar magnet is ideal for doing magnetic repulsion & attraction experiments;
Use for repulsion-attraction
Will not demagnetize when pushed together
Stamped “N” & “S” & painted red & blue respectively
Paint is guaranteed lead & heavy metal free
Will pick up minimum of 20 uncoated paperclips
Note (1): Ferrite bars are fragile/brittle. Do not drop on hard floors.
Note (2): Ferrite bars are relatively weak & will not magnetize nails or pins. Stronger magnets such as Nd or Alnico are best for this application.
Uses for our Ceramic North-South Bar:
Our Ceramic north-south bar magnets are made of a Ceramic magnet coated in red paint. Each bar is rectangular in shape and is axially magnetized (through length). On each end of the north-south bar is a marked north and south pole allowing easy identification of each pole. Stamped “N” & “S” Painted Red & Nlue Bar Ferrite Magnet 100mm
This small magnet makes it possible to identify the poles of a magnet. Use the north-south ends, just place on the magnet and see where it points to! This makes these bars ideal for educational purposes being able to teach about the poles of a magnet. These are available in two different sizes our popular large north-south bar and our small north-south bar. Strontium Ferrite North South Bar Magnets
We usually paint Ferrite educational magnet in no color, red-green or red-blue, or we combine them with other material such as metal and plastic. Meantime, these products comply with the international safety standards.
The Red/Green Go/No Go Yes/No Magnet is a plastic coated ferrite magnet that can be used as a planning magnet, warehouse magnet or notice board magnet. One side has a Green plastic coating; the other side has a Red plastic coating. Simply turn the magnet over to swap the main colour seen. With an operating temperature of up to 250 ° C can also be labeled easily hot parts. Just change the magnets on the main color! This red and green lacquered block magnet is the most popular education magnet. Its grade of magnetization is moderate so even smaller children can handle them easily without risking injury.
|Remanence||Coercivity||Intrinsic Coercivity||Max Energy product|
|Br(mT)||Br(Gs)||bHc(KA/m)||bHc(Oe)||iHc(KA/m)||iHc(Oe)||(BH)max(KJ/m 3 )||(BH)max(MGOe)|