Sodium Aluminosilicate

Test

Specification

Description*

A fine white odorless powder free from signs of impurity.

Moisture at 105 C for 2 hrs.*

NMT 7.0 % w/w.

Loss on Ignition (Dry Basis)

NMT 15.0 % at 10000 C for 2 hrs

PH (20 % Aqueous Solution)

Between 6.0 to 7.5

Linseed Oil Absorption ml/100 gm*

Between 80 ml to120 ml/100 gm

Residue on 325 Mesh 

NMT 0.10 %

(Wet Sieving Method)

Average Particle Size 

Max. 6.0 µm

D50 (Micron)

Whiteness by Reflection  Compared with MgO as 100 %

NLT  97.0 % w/w.

Iron Content (as Fe)

NMT  200 ppm

BET Surface Area

Between 70 to 100 m2/gm

Al2O3 Content 

Between  7.0 % to 13.0 %w/w.

SiO2 Content (Anhydrous Basis)*

NLT  84.0 % w/w.