RIL International Ltd.
产品介绍
保险粉

Name of commodity : Sodium Hydrosulfite

Formula: Na2S2O4

CAS No. 7775-14-6

Hazard Class:4.2

UN No.1384

Packing Group: II

H.S.CODE: 2831101000 

   Contents

Industrial Grade

Food Grade

90%

88%

85%

90%

88%

85%

Na2S2O4 (%Min)

90

88

85

90

88

85

Na2CO3 (%)

1.0-5.0

1.0-5.0

1.0-5.0

1.0-5.0

1.0-5.0

1.0-5.0

Fe(ppm Max)

20

20

20

20

20

20

Zn(ppm Max)

1

1

1

1

1

1

Pb(ppm Max)

1

1

1

1

1

1

Water Insolubles (% Max)

0.05

0.05

0.05

0.05

0.05

0.05

Appearance

White crystalline powder

Odor

Odorless or with a slight odor of sulfur dioxide
 
Applications : It is widely used in the textile industry for vat dyeing, reduction agent, printing and stripping, textile materials bleaching, It is also used in bleaching for paper plups, Kaolin, leather, bamboo wares, foodstuffs and beverages. In Chemical industry, it is used in the line of photographics, chemical processing, cleaners, water treatment, gas purification, and environmental improvement.

Packing : 1)in 25kg/900kg bags,

                  2) in 50kg iron drums.

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