The abrasive powder (kupershlak)

Kupershlak: Removal deep rust, old thick coatings, mill scale purification to a degree of 2 Sa, Sa 2 ½ and Sa3. Larger raw materials, the possibility of recovery for the surface profile (roughness) to 100-140mkm (all industries AKZ). Dynamic strength - 17.4. Abrasiveness - 4.2. Mohs hardness - 5.5-6.0.