Sell Sodium sulphide flakes

Specifications:
1) Sodium sulphide flakes: 60% (min.)
2) Fe 1500ppm max, Fe 150ppm max, Fe 80ppm max, Fe 50ppm max, Fe 30ppm max, 
Fe 20ppm max, Fe 10ppm max
Product Description 
Na2S: 60%min Water insoluble 0.4%max Na2CO3: 5%max Fe : 1500 ppm max (Red)
Inner packing: 
25kg/PP woven bag
1,000kg/PP woven bag
100kg iron drum (solid fuse materials)
Molecular formula: Na2S
Molecular weight: 78.04

Property: Flakes, yellow or red color, soluble in water, presenting strong alkaline solution, easily oxidized when exposed to air. 

Aplication: Used in sulfur dyes, used as reductant, mordant, floatation agent, depilatory for leather, digestion auxiliary in paper-making, and used in textile, pigment and rubber too.  

Specification: Yellow flakes
Na2S(%): 60.0Min. 
Na2CO3(%): 2.0Max. 
Water Insoluble(%): 0.05Max. 
Fe(%): 0.003Max. 

Specification: Red flakes
Na2S(%): 60.0Min. 
Na2CO3(%): 5.0Max. 
Water Insoluble(%): 0.4Max. 
Fe(%): 0.15Max. 

Packing: 25kgs plastic woven bag.