Characterisics:
Solid-fused or granular,brown red color,soluble in water,presenting strong alkaline solution,easily oxidized when exposed to air,poisonus.

Molecular Formula: Na₂S

Specification:
Na₂S: 60% Min
Water insoluble: 0.4% Max
Fe: 0.15% Max.
Na₂C₃: 5% Max

Uses:
Used as making sulphur dyes or dyestuff intermediate reducer,mordant flotationagent,depilatory for leather,digestion auxiliary in paper-making.also widely in pigment and rubber industry,etc.Molecular formular: Na₂S Specification: Uses:

Producing method:

POWERED COAL REDUCTION
Na₂OS₄will be mixed with powered coal in commingler,then sent into rorary furnaces to be reduced,the reaction liquid will be in filtration,evaporation and tabletting to get the end product.

Standards: GB10500-89 Packing: Characteristics:

Packing: (1)150kgs new iron drums
               (2)25kgs plastic woven bags linedwith one layer polythene
                   bags,inside with plasticcoating bags.