Magnesium Oxide SIG

Chemical Analysis

Specification

Typical Data

Magnesium Oxide as MgO

(ignited basis by difference)

99.0% min.

99.5%

Calcium as CaO

0.3% max

0.15%

Silicon as SiO₂

0.05% max

0.02%

Boron as B

0.01% max

0.005%

Aluminum as Al₂O₃

0.005%

0.015%

Iron as Fe₂O₃

0.04% max

0.015%

Sodium as Na

0.1% max

0.03%

Chloride as Cl

0.25% max

0.10%

Sulphate as SO₄

0.25% max

0.15%

Loss on Ignition (900 (C)

2.0% max

0.8%

Iodine Number:

(meq I₂/100 g MgO)

10 max.

2 - 6

Bulk density

0.5 g/cc

+ 100 mesh

1 - 2%

+ 200 Mesh

5 - 10%

+ 325 mesh

13.9%

15 - 25%

Appearance

Fine white powder