Sodium Stannate Trihydrate

Sodium Stannate Trihydrate(Sn-42)

Items	Technical index
Sn	42.0% min
Pb	0.05% max
As	0.15% max
Sb	0.05% max
Alkali-insoluble matter	0.25% max
Free alkali (NaOH)	3.50% max

 Sodium Stannate Trihydrate(Sn-36.5)

Items	Technical index
Sn	36.5% min
Pb	0.003% max
As	0.10% max
Sb	0.01% max
Alkali-insoluble matter	0.2% max
Free alkali (NaOH)	5.50% max

Package: 25kg/Plastic drum or fibre drum  or 25kg/bag.

Application: Used as a mordant, flame retardant and weighting agent for textiles, as well as in the manufacture of ceramics, glass, and tin plating.