Product Description Appearance: White or light yellow free-flowing crystalline powder

Product Feature

ODOUR: sulfur dioxide

TASTE : SALTY

MELTING POING : 150 centigrade

SPECIFIC DENSITY 1.48

PH : 4.0-4.6

SOLUBILITY : SOLUBLE IN WATER ,INSOLUBLE IN ALCOHOL

Application:

1. For industry

Mordant of printing and dyeing; Dechlorinate of textile after bleaching;

Sulphonated agent and reducer of chemical industry and pharmacy;

Bleach of paper pulp, bamboo and timber bleach of stapk; Treatment agent of waste water; Rubber solidifying agent ;Perfume industry is served as hydrocarbon perfume aldehyde ;

The hide profession employ to do to molt dose and pliable dose and wearproof dose ,The sensitize industry is served as the developing agent reductant and the protection of fixing bath dose and so on; sewage treatment.

2.For food additive

Bleach agent (e.g.candies, cake, bamboo shoots, etc);Loose agent (e.g.bread, cracker etc);Antiseptic and germicide (e.g.fruit juice, tinned food brews, the cereals food is defended storage etc);Inhibitor and freshen agent (e.g.day lily, seafood, fruit and vegetable etc)

Specifications:

Na2S2O5 98% min

SO2 65% min

Fe 0.0015% max

water-Insoluble 0.01% max

As 0.0001% max

PH 4.0-4.6

Packing: PP bag inside PE bag or kraft bag ,25kg/50kg/1000kg net weight Transportation-and harsh rain. Stored in a cool, ventilated, dry place.