Zinc Sulphate Heptahydrate 21.5% min

  • Product Name: Zinc Sulphate Heptahydrate
  • Chemical formula: ZnSO4.7H2O
  • Formula weight: 287.54
  • Purity: Zn 21.5%min
  • Main Application: Agriculture Fertilizers;Feed Grade
  • Min Order: 25 MT or one 20' container
  • Appearance: White crystal
  • Place of Origin: China
  • Capacity: 30,000 MT
  • Delivery Time: 15 days
Inquiry Email
Product Details

What is Zinc Sulphate Heptahydrate?

White or light - yellow crystals,astringent,easily to be efflorescent in dry air. Dissolvable in water,little dissolvable in alcohol and glycerin.

It is mainly used as raw material for production of lithophone and zinc salts. It is also used in synthetic fiber industry, Zinc plating, pesticides, of flotation. 

Fungicide, water purification. It is mainly used in feed additive and trace element fertilize, etc


1. Zinc sulfate(Sulphate) is used as trace element fertilizer to prevent crops from Zn deficiency and increase crop yields. Now more and more farmers apply micronutrient fertilizers such as zinc sulfate.

2.It can be used as feed additive to supply trace element, prevent and cure some diseases because of zinc deficiency and prevent premature death. It also can increase appetite, control blood disorders and bone disease.

3.In industry field, zinc sulfate(sulphate) works as coagulator for man made fibril, and mordant in dyeing and printing industry.


Zinc Sulphate Heptahydrate

Chemical Formula: ZnSO4.7H2O       

Formula weight: 287.54       


The confirm to the agree product specification. On the batch, of which the consignment is a part, the following values were

determined. The confirm to the agree product specification.

Technical Specification Standard Test Result
Appearance Colorless crystal, odorless Pass
Alkalinityacidit Neutral Pass
Clarity Transparent Pass
Zn ≥21.5% 22.31%
Cd  ≤5ppm  4pp
Pb  ≤5ppm  2pp
Water Insoluble ≤0.05  0.032%

We declared that the above particulars are true and correct and the quality of product could meet the China national standard.

  • FAQ :
  • Q1:Are you a factory or trading company?

    A:We are a factory.You can check through Website or visiting our factory.
  • Q2:What is the minimum order?

    A:20 Tons,or one container.          
  • Q3:How can I get sample for testing?

    A:Kindly send us your address, we will send the sample to you  
  • Q4:Where is your factory located? How can I visit the factory?

    A:Our factory located in Qingdao, Shandong China. It is in the north of China as a sea-side city. It takes one and half hour from qingdao airport to our factory.  
  • Q5: How does your factory do regarding quality control?

    A:1. All our products have to be checked strictly before entry warehouse.

        2. 10-year warranty for quality guaranteen                

        3. Customer feedback form would be offered for every purchasing order.   

  • Q6: Do you accept PayPal payment ?

    A: Yes , we do . And T/T, L/C,D/P is acceptable too,any mutual agreement payment term. 

Leave a Message
Make an inquiry now to get the latest quoted price. We will reply you in 24 hours.
  • *Name
  • *E-mail
  • Country
  • *Message


  • Tel: 86-731-88612077
  • Fax: 86-731-88612177
  • Email: info@rsmgroup.com.cn
  • Address: Room 2005, Unit3, Building 4, Riverlord, North Star Delta, No.1200, North Xiangjiang Rd, Kaifu District, Changsha, Hunan, 410008, P .R. China.
  • *name
  • *email
  • *content

Copyright © 2016-2020.www.rsmaxunite.com All Rights Reserved.