Honest Horse SAE standard steel shot and steel grit
Our steel shot grit have 3 usual hardness,GP:40-51HRC
GL:50-55HRC
GH: 60-68HRC
usually GP hardness can be used for sandblasting steel structure
GP,GL hardness can be used for blasting auto spare parts,depends on the hardness of fittings itself.
Please tell us your applications, our engineer will recommend you the satisfied hardness.
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