Composing

Liquid 50%

Liquid 42%

Liquid 30%

Density

1.5

1.45

1.32

Process

Ionic Membrane Process

Diaphragm Cell Process

Ionic Membrane Process

NaOH

49% Min.

42% Min.

30% Min.

Na2CO3 

0.2 Max.

0.3 Max.

0.2 Max.

NaCl

0.03 Max.

1.8 Max.

0.005 Max.

Fe2O3  

0.002 Max.

0.003 Max.

0.001 Max.