99.5

Chlorid Cl- %

0.0001

Sulphate SO4 2- %

0.0005

Iron Fe3+ %

0.0002

Storage:

50kg line the plastic of bag of plastic sheeting to weave bag inside， should be dampproof while transporting.

Properties:

WHITE POWDER CRYSTAL,SLIGHTLY SOLUBLE IN WATER, PRESENTING ACIDITY IN WATER, RANGE OF BOILING POINT: 184-186 .

Application:

Industry is used in the glass goods mainly, the enamel is made, chemical industry and building materials,etc; and can use as the antiseptic of the food.

Packing:

Pcked in carton with two-deck plastic bags in. there are two kinds of inner plastic bags,1 kg/bag or 5 kg/bag,and two kinds of cartons also,10 kg/carton or 20 kg/carton. or packed in paper bag, there is 20 kg/bag or 25 kg/bag of them