The main properties of cast stone are: high hardness (Mohs hardness is 7-8); good wear resistance (wear resistance coefficient is 0.09~0.14 g/cm2, strong corrosion resistance, except hydrofluoric acid and hot phosphoric acid, It is resistant to any acid-base corrosion (acid resistance greater than 96%, alkali resistance greater than 98%).
Cast stone has good corrosion resistance and wear resistance, its acid and alkali resistance can reach more than 99%, wear resistance is 5 to 10 times higher than that of manganese steel, and it is several times higher than carbon steel; its Mohs hardness 7 ~8, second only to diamonds and corundum. However, its toughness and impact resistance are poor, and cutting processing is difficult.
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