Postfire Residual Strength and Morphology of Concrete Incorporating Natural Rubber Latex Exposed to Elevated Temperatures

Table 1

Oxide composition and physical properties of cement used.

Chemical analysis		Physical analysis
Oxide composition	Percentage by weight (%)	Property	Magnitude
K2O	0.46	Moisture content (%)	2.4
MgO	1.25	Specific gravity	3.15
Fe2O3	4.301	Bulk density (g/cm^3)	2.95
SiO2	53.2	Fineness modulus	0.88
CaO	11.52	pH	8.8
Al2O3	21.4
Na2O	1.04
Loss on ignition	6.78