Character & Purpose: White granular, easily soluble in water, soluble is alkalic. Mainly used as aids of washes and metal cleaner, also used in permutite, paper bleaching and cotton cooking.
Packing: 25KG PP/PE BAG
Formula: Na2SiO3·5H2O
Standard: HG/T2568—94Ⅰ
|
Item |
Spec.I |
Typical results |
|
Total Alkalinity (as N a2O) /% |
28.5+/-0.7 |
29.1 |
|
Silicon Dioxide content (SiO2) /% |
28.8+/-0.7 |
29.2 |
|
Iron content (as Fe) /% |
0.03Max. |
0.005 |
|
Water-insoluble matter /% |
0.03Max. |
0.006 |
|
Whiteness |
75Min. |
81 |
|
PH Value |
12.5+/-0.3 |
12.6 |
|
Loss on Ignition/% |
43.0+/-1.0 |
43.2 |
|
Particle Size |
>1250um |
<2% |
0 |
|
630~1250um |
50~80% |
65% |
|
180~630um |
20~50% |
34% |
|
<180um |
<2% |
1% | |
