Oman Gypsum Powder

Colour                                                                                White
Free water content                                                       0.20%
Combined water content                                           4.80%
Water demand                                                               72% 
Initial setting time                                                       6-9
Final setting time                                                        15-25
Spread of the mould for test                                   225 to 230 mm    
Screen 200 micron/70-mesh                                  100%
Screen 150 micron/100-mesh                                 99%
Screen 75 micron/200-mesh                                  95%
Compression strength                                               12/N/mm2
Flexure strength                                                           5 Mpa
PH                                                                                       7.8