Specifications

1 Sodium Sulphide Na2S
2 purity: 60%min
3 red or yellow flakes
4 BV,SGS,CIQ acceptable
5 Leather or tanning usage

        Sodium Sulphide Flake for leather or tanning usage

 

 

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