Sodium Metabisulphite

Sodium Metabisulphite

1. Properties: White or yellow crystal powder, wet decomposition,

   exposure to air oxidation, and acid exposure to emit sulfur dioxide,

   and its aqueous solution is acidic.

2. Usage: It is used as bleaching agents, reducing agents, rubber

   coagulant, processing agents, developers, electroplating wastewater

   treatment agent, scouring agent printing and dyeing industry,

   cement and oil additives, etc.

3. Packing: 50kg/bag, 25kg/bag, 1000kg/bag, or as required.

4. Product Standard: HG/T2826-2008

5. Specifications:

Products

Sodium Metabisulphite (Industrial Grade)

Quality

standard

Items

Standard Value

Top Grade

First Grade

Na₂S₂O₅

96.5%min.

95.0%min.

Fe

0.005%max.

0.010%max.

Arsenic (As)

0.0001%max.

-

Water insolubles

0.05%max.

0.05%max.

1. Properties: White or yellow crystal powder, wet decomposition, exposure to air

   oxidation, and acid exposure to emit sulfur dioxide, and its aqueous solution is acidic.

2. Usage: it is used asfood additives such as preservatives, bleaching agents and bulking

   agent.

3. Packing: 50kg/bag, 25kg/bag, 1000kg/bag

4. Product Standard: GB1893-2008

5. Specifications:

Products

Sodium Metabisulphite (Food Grade)

Quality

standard

Items

Standard Value

Na₂S₂O₅

96.5%min.

Fe

0.003%max.

Clarity

Pass the test

Heavy metal(by Pb)

0.0005%max.

Arsenic (As)

0.0001%max.