Traditional Culture Encyclopedia - Traditional festivals - What are the advantages and disadvantages of sandblasting with steel sand, copper ore and granite respectively?

What are the advantages and disadvantages of sandblasting with steel sand, copper ore and granite respectively?

Characteristics of steel grit: moderate hardness, strong toughness, impact resistance, long service life, good rebound, strong adhesion, fast cleaning speed, low sand consumption, no breakage, high brightness of cleaning workpiece and good technical effect. Copper ore has high hardness, water chestnut appearance, good spraying effect and better rust removal effect than quartz sand.