H&X supply rock garnet, we produce the garnet from the nature mineral.The hardness is higher than sea garnet. On the other side the sea garnet is cleaner because the formation of it is in the sea. While we make up the disadvantage by improving our manufacturing technique: many washing cycles process are taken in the way of producing.
As for sandbalsting, our garnet is good due the high hardness. Mosh hardness 7.5-8.0.
High hardness makes it the good abrasive.
Normal size for sandblasting:
20/40,30/60
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