This part of ISO 11126 specifies requirements for olivine sand abrasives as supplied for blast-cleaning processes. It specifies ranges of particle size and values for apparent density, Mohs hardness, moisture content, conductivity of aqueous extract and watersoluble chlorides. The requirements specified in this part of ISO 11126 apply to abrasives supplied in "new" condition only. They do not apply to abrasives either during or after use.