umbo bag
1- Standard water: W/P: 67:70 %
2- Initial Setting Time : 6 :8 Min.
3- Final Setting time : 12 : 16 Min.
4- Bending Flexural strength : > 3 N/mm2 after 2 hours.
5- Bending Flexural strength : > 6 N/mm2 after 7 days.
6- Compressive Strength : > 10 N/mm2 after 2 hours.
7- Compressive Strength : > 20 N/mm2 after 7 days.
8- Fineness: < 3% (using 150 micron sieves)
9- Whiteness : > 90%