Sandblasting Abrasive 1) S70, S110, S170, S230, S280, S330, S390, S460, S550, S660, S780, ... : S780, S660, S550, S460, S390, S330, S280, S230, S170, S110,S70 Chemical Analysis NameSteel shotExternal formRound or similar roundHardnessHRC40-65Density>7 ...