Chemical Constituents

Special grade

First order

Second grade

Fluorine(F)% ≥

53

53

53

Sodium (Na)%≤

32

32

32

Aluminum (Al)%≥

13

13

13

Water(H₂O)%≤

0.4

0.5

0.8

Silica(SiO₂)%≤

0.25

0.36

0.4

Ferric oxide (Fe₂O₃)%≤

0.05

0.08

0.10

Sulfate(SO₄)% ≤

0.7

1.20

1.30

Phsophorus pentoxide(P₂O₅)% ≤

0.02

0.03

0.03

Ignition loss 550,30MIN ≤

2.5

3.00

3.00

Calcium oxide% ≤

0.10

0.15

0.20