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MAGNETIC CORE MATERIAL FOR ELECTROGRAPHIC DEVELOPER, CARRIER FOR ELECTROGRAPHIC DEVELOPER, AND DEVELOPER
MAGNETIC CORE MATERIAL FOR ELECTROGRAPHIC DEVELOPER, CARRIER FOR ELECTROGRAPHIC DEVELOPER, AND DEVELOPER
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机译：用于电子显影剂的磁芯材料，用于电子显影剂的载体和显影剂
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摘要
Provided are a magnetic core material for electrophotographic developer and a carrier for electrophotographic developer, which are excellent in charge characteristics and strength and with which a satisfactory image free from defects can be obtained, and a developer containing the carrier.;A magnetic core material for electrophotographic developer, having a sulfur component content of from 50 to 700 ppm in terms of a sulfate ion and a BET specific surface area of from 0.06 to 0.25 m2/g.
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机译：本发明提供电荷特性和强度优异，可以得到令人满意的无缺陷图像的电子照相显影剂用磁芯材料和电子照相显影剂用载体以及含有该载体的显影剂。电子照相显影剂，其硫含量以硫酸根离子计为50至700 ppm，BET比表面积为0.06至0.25 m 2 / g。
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