- Appearance: Flake
- Purity: 50%~80%
- Grade Standard: Industrial Grade
- Market: All Over The World
- Origin: China
- Classification: S
- Type: Sodium Sulfide
- Colour: Yellow, Red
- Specification: 5ppm-1500ppm
- HS Code: 2830101000
Thin flakes, yellow or red, soluble water, presenting strong alkaline solution, easily oxidized when exposed to air, poison
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.
It must prevent raining damp during transportation. It can't be shipped with acid.
In 25KG Plastic Woven Bag Or As Required.
|Iron content||Na2S(%)||Na2SO3(%)||Na2S2O3(%)||Na2CO3(%)||Water Insoluble(%)||color|
|1500ppm Max||60.0 Min||0.2 Max||0.2 Max||5.0 Max||0.4 Max|| |
|150ppm Max||60.0 Min||0.2 Max||0.2 Max||2.0 Max||0.2 Max|
|80ppm Max||60.0 Min||0.2 Max||0.2 Max||2.0 Max||0.2 Max|| |
|50ppm Max||60.0 Min||0.2 Max||0.2 Max||2.0 Max||0.2 Max|
|30ppm Max||60.0 Min||0.2 Max||0.2 Max||2.0 Max||0.05 Max|
|20ppm Max||60.0 Min||0.2 Max||0.2 Max||2.0 Max||0.03 Max|
|15ppm Max||60.0 Min||0.2 Max||0.18 Max||1.8 Max||0.03 Max|
|10ppm Max||60.0 Min||0.2 Max||0.18 Max||1.8 Max||0.03 Max|
|5ppm Max||60.0 Min||0.2 Max||0.18 Max||1.7 Max||0.02 Max|