Low-grade products are characterised by: The use of chalk as a filling agent Soft grain Irregular grain size Difficult to clean The creation of micro scratches High usage Premium cutting compounds are characterised by: Outstanding handling Perfect gloss level Economical use Process reliability and fast results Excellent cleaning properties The use of aluminium oxide as an abrasive ingredient Consistent grain size without irregularities, thanks to microfine screening Effective abrasive grain = greater efficiency Even grinding action when polishing