Gypsum Specifications:
Constituents | Wt% |
CaO | 32.6 |
SO3 | 46.5 |
H2O | 20.9 |
Mesh | 150-200 |
Molecular Weight | 172.17 |
Melting Point ºC | 128 |
Specific Gravity | 2.32 |
Mohs hardness | 1.5-2 |
Solubility in 100 g H2O at 25ºC | 0.24 g |
First setting time | 7 min |
Second setting time | 15 min |
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