Standard compliance: HG/T 2568-2008 "Industrial Sodium Metasilicate",Enterprise Standard Q/0213DYP 001-2013 "Industrial Sodium Metasilicate".
| |
Sodium Metasilicate Anhydrous Beaded |
Sodium Metasilicate Anhydrous Powder |
| TYPE 1 |
TYPE 2 |
TYPE 1 |
TYPE 2 |
TYPE III |
| Superior |
First |
Superior |
First |
Superior |
| Appearance |
white beaded granule |
white powder |
| Total alkali (Na2O), % |
49.50-51.50 |
49.50-51.50 |
49.50-51.50 |
49.50-51.50 |
49.50-51.50 |
| Silica (SiO2), % |
46.00-48.00 |
46.00-48.00 |
45.50-47.50 |
45.50-47.50 |
45.00-47.50 |
| Iron (Fe), ppm ≤ |
100 |
200 |
100 |
200 |
100 |
| Bulk density, g/cm3 |
1.05-1.35 |
1.05-1.35 |
1.05-1.35 |
1.05-1.35 |
1.05-1.35 |
| Particle size, % |
18-60 mesh
≥93.00 |
18-60 mesh
≥93.00 |
18-60 mesh
≥93.00 |
18-60 mesh
≥93.00 |
Up 40 mesh≤5.00
Pass 60 mesh≥40.00 |
Up 40 mesh≤1.00
Pass 60 mesh≥90.00 |
Pass 100 mesh≥80.00 |
| Whiteness index, % ≥ |
88 |
80 |
88 |
80 |
90 |
| Water insoluble, % ≤ |
0.15 |
0.25 |
0.15 |
0.25 |
0.25 |
| Transparence, % ≥ |
-- |
-- |
80 |
60 |
50 |
| |
