| 摘要 |
THE PRESENT INVENTION RELATES TO AN ABRASIVE COMPOSITION FOR SUBSTRATES OF MAGNETIC RECORDING MEDIA, CONTAINING AT LEAST AN ABRASIVE, AN ABRASIVE AUXILIARY AND WATER. THE ABRASIVE AUXILIARY COMPRISES AN ALIPHATIC ORGANIC SULFATE, AN OXYALKYLENE ALKYL ETHER SULFATE OR AN AMPHOTERIC SURFACE ACTIVE AGENT, AND THE ABRASIVE COMPOSITION HAS A PH OF 1 TO 13.
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