Leather /tanning usage Sodium Sulphide Na2S
USD $450 - $510 /Metric Ton
Min.Order:23 Metric Tons
Humate (Tianjin) International Limited
Sodium Sulphide
Molecular formula: Na2S
Property: Thin flakes, yellow or red, soluble water, presenting strong alkaline solution, easily oxidized when exposed to air, poison
Benefits:
used as making sulphur dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making also widely used in pigment and rubber industry, etc.
Specification
ITEM | I | II | III | IV | V | VI |
Fe | 10ppmmax | 20PPM max | 30ppm max | 80ppm max | 150ppm max | 1500ppm max |
Na2S | 60%min. | 60%min. | 60%min. | 60%min. | 60%min. | 60%min. |
Water insolubles | 0.10%max. | 0.10%max. | 0.18%max. | 0.20%max. | 0.30%max. | 0.40%max. |
Na2CO3 | 1.80%max. | 1.80%max. | 1.80%max. | 1.80%max. | 3.00%max. | 5.00%max. |
Na2SO3 | 1.80%max. | 1.80%max. | 1.80%max. | 2.00%max. | 2.00%max. | 2.00%max. |
Na2S2O3 | 2.00%max. | 2.00%max. | 2.00%max. | 2.00%max. | 2.00%max. | 2.00%max. |
Colour | Yellow | RED |
Packing:
in 25KG woven bags Or in 150KG iron drum (1500ppm)
If you are interested in our products, pls feel free to contact us freely.
Thanks & Best regards,
Wendy Yu
wendy at x- humate dot com
Skype: wendyu23