• Blasting abrasive for use in blast cleaning carbon steels and low alloy steels are :
o Chilled iron grit or shot
o Steel and Malleable Iron Grit and Shot
o Natural Mineral Abrasive (e.g. Silica sands)
o Non Metallic Abrasive
Blasted surfaces shall be blown down with clean, dry compressed air, or vacuumed, or wiped free of duct and spent abrasive media before any coatings are applied.