Zinc sulphate heptahydrate 21% Zn
Solubility: > 99.8%
Content:
Calculate: ZnSo4H20: 35% min
Calculate: ZnSo4H20: 95% min.
pH: 50g/L value 4
CL < 0.2%
Pb< 0.002%
Fe<0.008%
Mn<0.01%
CD< 0.002%
Cu<0.001%
Density: 3.28g/cm3
PLEASE NOTE THIS PRODUCT EASY TO AIR-SLAKE, STORE IN SEALED PACKAGE.
FAQ:
Q1: Is it possible to custom the labels with my own design?
Yes, and you just need to send us your drawings or artworks, then you can get you want.
Q2: How does your factory control the quality.
Quality is the life of our factory, first, each raw materials, come to our factory, we will test it firstly, if qualified, we will process the manufacturing with this raw materials, if not, we will return it to our supplier, and after each manufacturing step, we will test it, and then all the manufacturing process finished, we will do the final test before the commodities left our factory.
Q3: How about your service?
We provide 7*24 hours service, and whenever you need, we will always here with you, and besides, we can provide one stop purchasing for you, and when you purchase our commodities, we can arrange testing, custom clearance, and logistic for you!
Q4: Does free samples available for quality evaluation?
Yes, of course, we can provide free samples for you before you buy commercial quantity.
Q5: What is the delivery time?
For small quantity, it will take only 1-2 days for delivery, and after large quantity, it will take about 1-2 weeks.
Audited Supplier 
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