Product details
LOW IRON SODIUM SULPHIDE (NA2S) CAS NO.1313-82-2
Longyao Chemical is the factory of Sodium Sulfide and Sodium Hydrosulphide. The factory provides high quality low iron sodium sulfide (Na2S 60%) with Fe content range from 10ppm~30ppm. Mainly used in the leather industry, dye industry, textile industry and etc.
TECHNICAL PARAMETER
Grade |
10ppm |
20ppm |
30ppm |
Sodium sulphide (Na2S) |
60%min |
60%min |
60%min |
SodiumCarbonate (Na2CO3) |
2.0%max |
2.0%max |
2.0%max |
Water Insoluble |
0.1%max |
0.1%max |
0.1%max |
Iron content (Fe) |
0.001 %max |
0.002%max |
0.003%max |
APPLICATION
1. The dye industry is used to produce sulfur dyes, is the raw material of sulfur blue and sulfur blue.
2. Used as a dye aid for dissolving sulfur dyes in printing and dyeing industry .
3. In the leather industry used to hydrolyze the skin to depilate, but also used to prepare sodium polysulfide to accelerate the dry skin soak to help soft.
4. As a cooking agent for paper.
5. In textile industry is used for denitration and reduction of nitrification of artificial fiber, as well as mordant for dyeing cotton fabric.
6. In pharmaceutical industry is used to produce phenacetin and other antipyretic drugs.
7. In addition, it is also used to produce sodium thiosulfate, sodium thiohydride, sodium polysulfide, etc.
8. Adding an appropriate amount of sodium sulfide to the alkaline etching solution of aluminum and alloy can significantly improve the etching surface quality, and can also be used to remove the alkaline soluble heavy metal impurities such as zinc in the alkaline etching solution.
9. Sodium sulfide can also be used for the treatment of conductive layer in direct electroplating and the formation of colloidal palladium sulfide by the reaction of sodium sulfide and palladium to achieve the purpose of forming a good conductive layer on the nonmetallic surface.
PACKING: 25kg pp bag, 900kg/bag or 1000kg/bag.
FAQ
Q1: Are you a trading company or manufacturer?
A: We are chemical factory in China. So we can provide wholesale prices. What’s more, we can provide OEM product according to your requirement, eg: Fe content, Water Insoluble, etc.
Q2: How can I get a sample to check your quality?
A: Sample is free and the Lead time is about 2-5 days, freight cost on customers.
Q3: We would like to know if you have any stock of the products and the quantity in stock. As this is our first business, we would like to pay, and ship after our inspection, to assure the quality of the products.
A: It’s a pleasure to show our factory to our customers, welcome come and visit us in China. SGS inspection/ third party inspection is also acceptable.
Q4: How long is your delivery time?
A: Sodium Sulfide is hazard chemical, after order placed, 7-14 days needed to apply export license, at the same time, 7 days for production. Another 3-5 days for transportation from factory to seaport.
Q5: What documents do you provide?
A: Of course. We provide Commercial Invoice, Packing List, Bill of loading, COA, Origin certificate. If your market has any special requirements, please just let us know.
Q6: Do you accept third party inspection?
A: Yes.
Q7: What is your payment term?
The preferred is T/T. We also accept L/C.
http://www.longyaochemical.com/
