Characteristic

Specification

Actual

Appearance

White powder

White powder

MgO content, %

≥62

64.55

Mg(OH)2 content, %

≥89.9

93.59

CaO content, %

≤3

2.21

SiO2 content, %

≤3

1.73

Fe2O3 content, %

≤0.3

0.09

Bulk weight, kg/m3

≥300

441

LOI, %

30 - 32

31

D10, (micron)

0.8 – 1.3

0.9

D50, (micron)

3 - 4

3.5

D97, (micron)

14 - 19

16.2

Moisture content, %

≤0.5

0.24

Whiteness index

W≥84 / T≤0.5

W88.5 / T0.14

Sieve residue 45 micron, %

<0.1

0.004

Content of stearic acid, %

1.2 – 1.5

1.5