Supply High Quality Sodium Hydrosulfite 85% 88% 90%

• CAS No.: 7775-14-6
• Formula: Na2s2o4
• EINECS: 231-890-0
• Model NO.: 85% 88% 90%
• Appearance: Powder
• Grade Standard: Industrial Grade
• Mf: Na2o4s2
• Einecs No.: 231-890-0
• Transport Package: 50kg/Drum
• Specification: 85%, 88%, 90%
• Trademark: XLW or OEM
• Origin: China
• HS Code: 2831101000
• Production Capacity: 5000mts/Month

Product Description

Sodium hydrosulfite
1) Used as reducer, dyes auxiliary of dyeing industry, synthetic dyes and intermediates.
(2) Used as bleaching agent of paper pulp in paper-making industry.
(3) Used as bleaching agent of china clay in the ceramics industry.
(4) Used as deoxidizer of rubber and styrene butadiene rubber synthesis, developer in photo-taking industry.
(5) Used as reducing agent, bleaching agent in the industries including pharmacy, food, metallurgy and leather

Our Advantage
1. Well-approved quality and best price
2. Long years of specialization in the production and selling of chemicals
3. Ample stock in the warehouse
4. Free samples for your test before placing orders
5. Prompt and reliable delivery by professional shipping line
6. Instant notice before and after shipment

No.	Index name	Index			Note
		90%specification	88%specification	85%specification
1	Appearance	White crystalline powder	White crystalline powder	White crystalline powder	Eye measurement
2	Hydros content % ≥	90.5	88.5	85.5	Compulsory test
3	Content of  insoluble substance in water % ≤	0.1	0.1	0.2	Spot test
4	Content of  sodium carbonate %≥	1	1	1	Spot test
5	Granularity	A, B	A, B, C	A, B, C, D	Compulsory test ( Eye measurement )
6	Odor	Gentleness	Gentleness	Gentleness	Compulsory test