How to Compare: "The formula for finding the Pull Force of a cube or bar magnet is as follows:
Pull Force = 0.576 x Br² x (Th) x √‾A where
Br = Flux Rating in KiloGauss
Th = Thickness of Magnetized Surfaces in inches
A = Surface Area (L x W) in inches"
'via Blog this'
There is a direct relationship between the Flux Density inside the pipe and the Pull Force per square inch of the magnets that are used. The Pull Force number takes into account the size and shape of the magnet along with the flux rating of the material from which it is made.
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