The entire magnetic group is placed in a constant temperature and humidity tankfor1 20 degreesfor1 5 seconds, and the table magnetic decline is no more than 5%.
Magnetic line requirements
See Figure 1 below
Each piece of magnetic chip should be clothed on the PC plate, there can be no shift. (See figure below).
Magnetic charge requirements
The way to charge magnets
The circular plane is two-stage magnetically charged, and the square is the plane three-stage magnetic charge
The highest magnetic field
Doughnut1 800GS±100GS Square 1900GS±100GS
At 5% concentration in NaC1, the laboratory temperature is 35degrees±2 degrees, the humidity ismore than8 5percent, the pressure bucket temperature is 47degrees±1 degree, the saline bucket temperature is 35degrees±2 degrees continuous sprayfor2 4 hours can not have yellowing, skinning and other undesirable phenomena.
Note: The outer plane of the unclosed surface is S-class
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