Wholesale Industrial Grade Stinky Soda Low Price Tinky Alkali Na2s Sodium Sulfide

 

 

 

1, Q: Can you supply samples for testing?
A: Yes, Our samples are free for your testing,
However, you need to afford the delivery fee (DHL/TNT/EMS)
The delivery fee will be deducted from the future bulk order.
2, Q: What documents you provide for every shipment?
A: Usually, Commercial invoice, Packing list, Bill of lading, COA, Certificate of origin,
MSDS are promised. Other documents you need for import,
please feel free to contact us.
3,Q: How can i get the price for this product?
A: Please give us the exact quantity,packing,destination port and
other necessary information,we will give you quotation according
to your specific requirments.
4,Q: How about delivery lead time?
A: Delivery lead time: About 7-10 days after payment confirmed.(Chinese holiday not included).
5,Q:How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T,Western Union or Paypal or secure payment. 

 

1, used in the dye industry for the production of sulfur dyes, is the raw material of sulfur blue and sulfur blue. Printing and dyeing industry used as an aid to dissolve sulfide dyes. In the tannery industry, it is used for hydrolysis to remove hair from raw skin, and it is also used to prepare sodium polysulfide to accelerate the immersion of dry skin and help soften it. Paper industry used as paper digester. The textile industry is used for the reduction of artificial fiber denitrification and nitrification, as well as mordant for cotton fabric dyeing. The pharmaceutical industry is used to produce antipyretic drugs such as phenacetin. In addition, it is also used to produce sodium thiosulfate, sodium hydrosulfide, sodium polysulfide and so on.
2, adding an appropriate amount of sodium sulfide in aluminum and alloy alkaline etching solution can significantly improve the quality of the etching surface, and can also be used for the removal of alkali-soluble heavy metal impurities such as zinc in alkaline etching solution.
3, sodium sulfide can also be used in direct electroplating conductive layer treatment, through the reaction of sodium sulfide and palladium to form colloidal palladium sulfide to achieve the purpose of forming a good conductive layer on the non-metallic surface.
4, used as corrosion inhibitor. It is also a raw material for sodium thiosulfate, sodium polysulfide, sulfide dyes, etc.
5, used in the manufacture of sulfur dyes, leather hair removal agents, metal smelting, photography, rayon denitrification and so on.