Our advantage:
1. Factory price,
2. Good Quality,
3. Free sample,
4. ISO Cerficate,
5. A long stable supplier,
6. Good support to you
`````````````````````````````````````````````
Specifications
52% - 60% Na2S yellow flakes sodium sulphide 30ppm:
52% - 60% 30ppm yellow flake
52% - 60% 150ppm red flake
52% - 60% Na2S yellow flakes sodium sulphide 30ppm
Appearance:
Thin flakes, yellow or red, soluble water, presenting strong alkaline solution, easily oxidized when exposed to air, poison.
Specification:
1. Red flakes-purity: 52-60%, iron: 150ppm
2. Yellow flakes - purity: 52-60%, iron: 30ppm
Application:
Used as making sulphur dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making also widely used in pigment and rubber industry, etc.
Packing:
25kgs net weight/bag. With 3 layers to be packed, inner side: Woven bag, middle: Transparent film bag, outside: Woven bag, one 20FCL can load 20MT.
ITEM |
STANDARD I |
STANDARD II |
STANDARD III |
STANDARD IV |
STANDARD V |
Fe |
10ppm max |
30ppm max |
50ppm max |
150ppm max |
1500ppm max |
Na2S |
60%min. |
60%min. |
60%min. |
60%min. |
60%min. |
Water insolubles |
0.03%max. |
0.18%max. |
0.18%max. |
0.30%max. |
0.40%max. |
Na2CO3 |
1.80%max. |
1.80%max. |
1.80%max. |
3.00%max. |
5.00%max. |
Na2SO3 |
1.00%max. |
1.80%max. |
2.00%max. |
2.00%max. |
2.00%max. |
Na2S2O3 |
2.00%max. |
2.00%max. |
2.00%max. |
2.00%max. |
2.00%max. |