Sodium Sulphide 30%

      Qingdao Lasheng Co.Ltd specialize in manufacturing kinds of  Sodium Sulphide 30%
We can supply Sodium sulphide from yellow to red flakes, with the big umbrella brand.

Our product general spec. Is as following:
Sodium sulphide red flakes
1500PPM        
        Na2S(%): 60.0Min
        Na2CO3(%): 5.0Max
        Water Insoluble(%): 0.4max
        Fe(%): 0.15max

Sodium sulphide yellow flakes low iron
150PPM          
        Na2S(%): 60.0Min
        Na2CO3(%): 2.0Max
        Water Insoluble(%): 0.2max
        Fe(%): 0.015max
 
30PPM                    
        Na2S(%): 60.0
        Na2CO3(%): 2.0Max
        Water Insoluble(%): 0.05max
        Fe(%): 0.003max