Who knows marble industry technical requirements?

Natural marble because of different applications, and its industrial technology requires a different focus. The main requirement of natural marble blocks blocks must have the shape of a rectangular parallelepiped body. Size of blocks required length greater than or equal to 100cm, width is greater than or equal to 50cm, height is greater than or equal to 70cm. Appearance quality requirements of a number of blocks of the same color pattern should be consistent; chipping of blocks, lack of edge, crack appearance quality grade should comply with Table 4.25.6 of. Physical performance requirements: bulk density of not less than 2.6g / cm3; water absorption of not more than 0.75%; dry compressive strength of not less than 20MPa; flexural strength of not less than 7.0MPa.

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