Hardness Of Basalt Rock Affecting Jaw Crusher Casting Performance

Mar 18, 2021 When it comes to strength, it generally, means the uniaxial compressive strength. It can be divided into four types soft rock 40MPa, secondary hard rock 40-100MPa, hard rock 100-160MPa, and super-hard rock 160-250Mpa. Hardness is usually the mohs hardness, indicating the ability of minerals to resist external mechanical force.

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