Research Article

Colloidal Nanosilica Effect on the Properties and Durability of Coir Reinforced Cement Brick

Table 2

Properties of colloidal nanosilica.

TypeLUDOX TM-40

Density1.3 g/mL
Surface area∼140 m2/g
Concentration40 wt% suspension in H2O
pH9
Average particle size (nm)20 nm