- Min.Order :20 Metric Ton
- Purity: 60%
- Payment Terms : L/C,T/T,
Keywords
High quality lower price red or yellow flakes Na2S 60% MIN sodium sulphide Na2S 60% Disodium sulfide
Quick Details
- Appearance:Flake Red & Yellow
- Application:uesed as making sulphur dyes or dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making. also widely in pigment and rubber industry, etc.
- PackAge:sodium sulphide red or yellow flakes package Packed in 25KG woven bag with plastic inner bag, total 3 layers
- ProductionCapacity:100000|Metric Ton|Year
- Storage:
- Transportation:By Sea
Superiority:
Specification
|
ITEM |
STANDARD I |
STANDARD II |
STANDARD III |
STANDARD IV |
STANDARD V |
|
Fe |
20ppm max |
30ppm max |
50ppm max |
150ppm max |
1500ppm max |
|
Na2S |
62%min. |
62%min. |
60%min. |
60%min. |
60%min. |
|
Water insolubles |
0.10%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 |
1.80%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. |
|
Colour |
Yellow |
RED |
|||
Details:
Used in Leather or tanning for removing hair from hides and skins.
Used in synthetic organic intermediate and preparation of sulfur dye additives .
In textile industry as a bleaching, as a desulfurizing and as a dechlorinating agent,
Used in pulp and paper industry.
Sodium sulphide is used in water treatment as an oxygen scavenger agent.
In the photographic industry to protect developer solutions from oxidation.
It is used in the production of rubber chemicals and other chemical compounds.
It is use in other applications include ore flotation, oil recovery, food preservative,
making dyes, and detergent.
Used in mining industry as inhibitor , curing agent , removing agent
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