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|Minimum Order
Place of Origin:
china
Price for Minimum Order:
-
Minimum Order Quantity:
20 Ton
Packaging Detail:
50 kgs per drum or according customer's requirement
Delivery Time:
3-7days after reciving the advanced payment
Supplying Ability:
3000 Ton per Month
Payment Type:
T/T, L/C
China
連絡先担当者 Ms. lance
dfbie, Chaozhou, Guangdong
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
No.
Index name
Index
Note
*0%specification
*8%specification
*5%specification
1
Appearance
White crystalline powder
White crystalline powder
White crystalline powder
Eye measurement
2
Hydros content
% ≥
*0.5
*8.5
*5.5
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
