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Magnetic compatibility is a special functional indicator for magnetic card base paper, anti-magnetic packaging paper and intelligent label paper. Ordinary paper contains trace metal impurities, uneven filler distribution and unstable fiber electromagnetic characteristics, which will cause magnetic field interference, magnetic signal attenuation and signal distortion when matched with magnetic induction components. Poor magnetic compatibility leads to unstable magnetic signal reading, low identification rate and signal failure of intelligent paper labels and magnetic card paper. In intelligent logistics, smart packaging and magnetic identification scenarios, magnetic interference defects seriously affect equipment identification accuracy and intelligent system operation stability. Most ordinary paper modification processes ignore electromagnetic performance, and conventional impurity removal processes cannot remove trace magnetic interference substances, resulting in persistent magnetic signal instability. Shandong Ludao Energy Technology Co., Ltd. develops professional paper magnetic compatibility stabilization solutions. By removing trace magnetic impurities and homogenizing internal component distribution, we eliminate paper magnetic field interference and stabilize electromagnetic signal transmission. The solution adapts to intelligent magnetic identification and anti-magnetic packaging scenarios, improves the identification accuracy and stability of intelligent paper products, and expands the application range of functional intelligent paper.