Abrasive sand is what kind of tool? What is its purpose?
Grinding is a fine abrasive, not a tool, is fine sand particles of uniform size, grading number is different, with XX mesh representation. Mainly used for grinding.
Abrasive sand is a fine particle similar to sand (finer than sand), which is produced by special processes and is mainly used for polishing. Such as electronics, precision instruments and other surface polishing.