Product Name:Chemical fiber grade zinc sulfate heptahydrate
Type: Zinc sulfate series
Chinese Name:化纤级七水硫酸锌系列产品
Molecular formula:ZnSO4 7H₂O
Molecular weight:287.56

Physical and chemical property

White or slight-yellow crystal, loose and no agglomeration, easy soluble in water and slightly dissolvable in alcohol and glycerol, insoluble in liquid ammonia and ketone, tending to lose water molecules of hydration in dry air and become white powder appearance. When the temperature is 280℃, it will become no water substance and lose all crystal water. When the temperature is above 500℃, it will decompose.

Relatively density: 1.975

Melting point: 100℃

Use

As concreting liquid for synthetic fiber and important subsidiary material for synthetic fiber and vinylon.

Characteristic and function

1.High purity, equal crystal and easy soluble.

2.Low content of heavy metal, Fe, Pb and Cd meet with national standard.

Packaging and transportation

Plastic woven bag lined with plastic film bag. Standard net weight: 40kg, 50kg or as customer’s requirement. Avoid moisture during the transportation and store.

Regular clients

Tangshan Sanyou Jituan Chemical Fibre Co.,Ltd

 

ITEM	INDEX
Type	Premium Grade	Grade I
Zn %≥	22.51	22.28
ZnSO4 7H2O  % ≥	99	98
Water insoluble %≤	0.020	0.020
Pb %≤	0.001	0.002
Fe %≤	0.003	0.005
Cd%≤	0.001	0.002