70% Min Sodium Hydrosulphite 88% 90% for Free Sample Sodium Hydrosulphite

• Grade Standard: Agriculture Grade, Industrial Grade, Medicine Grad
• Appearance: Yellow Flakes
• Purity: 60%Min
• Na2co3%: 1.0%
• Transport Package: Bags
• Specification: 25kg plastic woven bag
• Model NO.: TNN10
• Trademark: TNN
• Origin: China
• HS Code: 28301090

Product Description

Item	Grade A	Grade B
Colour	yellow	red
Na2S%min≥%	60	52/60
Na2CO3%max≤%	1.80	5.00
Na2SO3%max≤%	1	2.00
Na2S2O3%max≤%	2.00	2.00
Water Insolubles % max≤%	0.05	0.40
Fe max≤%	10-30PPM	30-300PPM

COA:

Item	The National Standard
Appearance	Yellow Flakes
NaHS            %≥	70.00
Na2S             %≤	3.50
Fe                 %≤	0.0030
Conclusion	Qualified