Forms of Gypsum
| Name/Chemical Formula | Raw Gypsum CaSO4 ・2H2O |
||
|---|---|---|---|
| Chemical Reaction | ↓ Dehydration Reaction ↓ |
↑ Hydration Reaction ↑ |
|
| Name/Chemical Formula | Calcined Plaster / Hard Plaster αCaSO4・1/2H2O βCaSO4・1/2H2O |
Calcined Plaster / Hard Plaster αCaSO4・1/2H2O βCaSO4・1/2H2O |
|
| Chemical Reaction | ↓ Dehydration Reaction ↓ |
↑ Hydration Reaction ↑ |
|
| Name/Chemical Formula | Drying Plaster ⅢCaSO4 |
Drying Plaster ⅢCaSO4 |
|
| Chemical Reaction | ↓ Dehydration Reaction ↓ |
HydrationCaSO4・2H2O ↑ |
|
| Name/Chemical Formula | ⅡCaSO4 | ⅡCaSO4 | |
| Chemical Reaction | ↓ Dehydration Reaction ↓ |
↑ Hydration Reaction ↑ |
|
| Name/Chemical Formula | ⅠCaSO4 | ⅠCaSO4 | |