FOB Price
Obtenir le dernier prix1 / Piece
|Minimum Order
Localité:
-
Prix de commande minimale:
Commande minimale:
1 Piece
Packaging Detail:
-
Delivery Time:
-
Supplying Ability:
-
Payment Type:
T/T
Personne àcontacter Ronghua
301, Xingtai, Hebei
|
Items
|
Grade
A
|
Grade
B
|
Grade
C
|
|
Purity(NH2SO3H)
|
*9.8%
min
|
*9.5%
min
|
*9.5%
min
|
|
Sulfate
(SO4)
|
0.*2%
max
|
0.*5%
max
|
0.*5%
max
|
|
Iron
(Fe)
|
0.***2%
max
|
0.***5%
max
|
0.**2%
max
|
|
Heavy
Metal
|
0.***5%
max
|
0.**1%
max
|
0.**1%
max
|
|
Insoluble in water
|
0.*1%
max
|
0.*1%
max
|
0.*2%
max
|
|
Moisture
|
0.*3%
max
|
0.*5%
max
|
0.*5%
max
|
|
