Grey Limestone 20-50

Color: Grey and Dark Grey

- CaO Content: 53.33% - TCVN 9191:2012

- MgO Content: 1.42% - TCVN 9191:2012

- SiO2 Content: 0.16% - TCVN 9191:2012

- Sulphur (S) Content: 0.016 - TCVN 9191:2012

- Phosphorus (P) Content: 0.006 - ASTM C25

Technical Report:

- Compressive strength (ASTM C170-16): 56 MPA

- Modulus of rupture (ASTM C99-15): 14 MPA

- Mohs hardness (TCVN 6415-18:2005): 6 (Orthoclase)

- Water absorption (ASTM C97-15): 0.1 %

- Bulk specific gravity (ASTM C97-15): 2713 Kgs/m3

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