Sinterball are spherical spheres of alpha Aluminium oxide. This product is very well suitedfor monumental masonry applications and the use of Sinterball as a blast media for Headstone etching and letter engraving has resulted in good performance with a long lifespan and compares well to aluminium oxide which is a much more expensive alternative.
Specific Gravity 3.7
Applications Cleaning and removing of corrosion, Roughening & Etching. Favoured by Stone Masons for blasting through stencils to produce lettering on monuments & Headstones