Sodium sulfite anhydrous 70%~80%,92%,96%,97% competitive price COA and MSDS

Sodium sulfite anhydrous 70%~80%,92%,96%,97% 2% discount price COA and MSDS

 

Sodium sulfite anhydrous

 

Molecular formula : Na2SO3

Appearance : white crystalline powder

Sepcification:

Index name	Premium grade
	Super grade	First grade	Salable product	Industrial grade
Sodium sulfite ( Na2SO3 ) , % ≥	97.0	96.0	93.0	90.0
Fe , ≤	0.003	0.005	0.01	/
Water insoluble matter , % ≤	0.02	0.03	0.05	/
Free alkali ( as Na2SO3 ) , % ≤	0.10	0.40	0.60	/
Na2SO4 , % ≤	2.50	/	/	/
NaCl , % ≤	0.10	/	/	/

  Packing: We use the kraft paper bags,25kg per bag.To meet your special requirements for packing.

Usage

1, Paper-making industry

2, Leather industry

3, Bleaching

4, Tannage and food

5, Dyeing and painting industry

 

High quality sodium sulfite