Sodium Sulfide Uses In Leather Industry 1313-82-2 CAS NO.1313-82-2

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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