We have both sodium sulphide red flakes and sodium sulphide yellow flakes, small and thin flakes, often used in tannery. Details are as follow:

1500ppm (red flakes)

Na2S                              ≥60%
Water insoluble matter     ≤0.4%   
Fe                                  ≤0.15%
Na2CO3                          ≤5%

150ppm (red flakes)

Na2S                              ≥60%
Water insoluble matter     ≤0.2%   
Fe                                  ≤0.015%
Na2CO3                          ≤2%

80ppm (yellow flakes)

Na2S                              ≥60%
Water insoluble matter     ≤0.2%   
Fe                                  ≤0.008%
Na2CO3                          ≤2%

60ppm (yellow flakes)

Na2S                              ≥60%
Water insoluble matter     ≤0.2%   
Fe                                  ≤0.006%
Na2CO3                          ≤2%

30ppm (yellow flakes)
Na2S                              ≥60%
Water insoluble matter     ≤0.2%   
Fe                                  ≤0.003%
Na2CO3                          ≤2%

Package: 25kg plastic weaving bag
Quantity/fcl: 24mts
DG Grade: 8
UN NO.: 1849

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