The purpose of this standard is to establish a nationally
recognized basis for determining the magnetic content of abrasive
grain used in the manufacture of grinding wheels. coated abrasive
products. general polishing. and other general industrial uses such
as pressure blasting. wire sawing. lithoplate graining. etc.
It is intended to serve as a common basis of understanding for
abrasive grain producers. and for manufacturers. distributors. and
users of these abrasive products. Abrasive grain is a natural or
manufactured substance that is reduced by crushing to specific grit
sizes. and is then made into products which are used for removing
extraneous material by grinding. polishing. lapping. etc. Examples
of some of the natural materials are corundum. emery and garnet.
The manufactured materials include fused aluminum oxide and silicon
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