Blasting Abrasive Garnet Sand is a natural product with chemically inert, non-toxic metals, Mohs hardness 7.5-8 , With its good hardness,garnet has been used as a gemstone and blasting abrasives. Garnet sand suits for water jet cutting machine, in order to have a good performance, the most important step is washing, the good washing can make the sand clean, we have 6 steps washing, so it is cleaner.