Test Item

Specification

Result

Appearance

White, odorless, freely flowing granule  

Pass

SiO2

 66%-74%

70.45%

MgO  

13%-17%

16.75%

Loss on drying (105℃，2h)

5%max

1.66%

PH (1% suspension)

8-10

9.6

Bulk Density   (g/l )

300-600

443

SO4

0.5%max

0.25%

CI

0.1%max,

0.02%

Particle size

100-200mesh

Conclusion: Qualified