Portland Pozzalana Cement is made by blending fly ash and high quality cement to provide extra strength and durability. It corresponds to IS : 1489
Tests Requirement as per IS : 1489
(Portland Pozzalana Cement)
Test Result of
RISHI GOLD
CHEMICAL Loss on Ignition Not more than 5 % 2.21 %
Calcium Oxide No Parameters 56.76 %
Magnesium Oxide Not more than 6% 4.10 %
Insoluble Residue Less than 4 % 1.90 %
Sulphur Trioxide Less than 3.00 % 2.10 %
 
PHYSICAL Initial Setting Time Not less than 30 minutes 65 minutes
Final Setting Time Less than 600 minutes 185 minutes
Le Chatilier’s Expansion Less than 10 mm. 2 mm.
Fineness Not less than 2250 cm² /gm. 3750 cm² /gm.
Compressive Strength
3 Days Minimum 160 kg /cm² 210 kg /cm²
7 Days Minimum 220 kg /cm² 358 kg /cm²
28 Days Minimum 330 kg /cm² 481 kg /cm²
This is a special product having traces of red oxide blended with Portland slag cement to help in non-rusting of iron and steel used for construction.