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Quick Details

  • Classification: Sulphate
  • Type: potassium sulphate
  • CAS No.: 7778-80-5
  • Other Names: potassium fertilizer
  • MF: K2SO4
  • EINECS No.: 231-915-5
  • Place of Origin: Shandong, China (Mainland)
  • Grade Standard: Agriculture Grade, Food Grade, Industrial Grade
  • Purity: 95% 98% 99%
  • Appearance: white powder,granular
  • Application: potassium fertilizer
  • Brand Name: zefeng
  • Model Number: 20130451
  • HS: 3104300000

Packaging & Delivery

Packaging Details in 25/50/1000kg per bag
Delivery Time within 15 days upon payment

Specifications

100% fully water soluble potassium sulphate 99% for fertilizer
100% fully water soluble
high quality,best price
factory

100% fully water soluble potassium sulphate 99% for fertilizer

 

CAS No.: 7778-80-5
high quality and competitive price
directly manufature
Molecular Weight: 174.26

Potassium Sulphate

 

Formula of potassium sulfate K2SO4, theoretical potassium (K2O) 54%, generally 50%, also contains about 18% of sulfur, sulfur is essential crop nutrients. Preparation of potassium sulfate potassium ore available, or the conversion of potassium chloride, or salt brine and other resources. Alunite is commonly used to restore thermal solution.

 

[Molecular Formular ]K2SO4

[Molecular Weight] 174.26

[Property] Colorless crystals, density 2.662 g / cm 3. Melting point 1069 °C, soluble in water. Moisture absorption is small, uneasy caking, good physical properties, easy application, is a good water-soluble potash.

 

[Appearance]

1) Industrial Grade Potassium Sulphate: colorless or white hexagonal or orthorhombic crystalline or granular powder. Transformation of the relative density of 2.662 point 588 °C, melting point 1069 °C, boiling point 1689 °C. Soluble in water is not soluble in alcohol, acetone and carbon disulfide. A bitter salty.
2)Agricultural Grade Potassium Sulphate: white or colored crystalline powder or granules.

 

Specifications] Based on K20 50%

Item

Standard

Typical Result

Appearance

White powder or granule

Pass

K2SO4

95.0%min

98.2%

K20

50.0%min

51.1%

Moisture

1.5%max

0.98%

CL

1.5%max

1.45%

S

17%min

17%

Free Acid(H2SO4)

1.5%max

1.42%

PH

3-5

4.5

Water Soluble

90%min

90%

Based on K2O 52%

Item

Standard

Typical Result

Appearance

White powder or granule

Pass

K2SO4

98%min

99.0%

K20

50%min

52.6%

Moisture

1.5%max

0.95%

CL

1.5%max

1.5%

S

18%min

18%

Free Acid(H2SO4)

1.5%max

1.45%

PH

3-5

4.5

Water Soluble

100%

100%

Heavy Metal

0.01%max

0.002%

Calcium

0.1%max

0.04%

Iron(Fe)

0.1%max

0.02%

[Product applications] In Agriculture:
Suitable for various crops can be used as basal fertilizer, topdressing, types of fertilizer and foliar application. Basal amount of general mu 10-12. 5 kg, types of fertilizer consumption mu 1. 5-2. 5 kg, spray application 0.5% -2% is appropriate. Potassium in soil have been generally, does not leak, but the difference in fertilizer retaining capacity of sand on the need to "Eat smaller meals" measures, usually potatoes, melons and other crops on the application of potassium hi best, Use a wide

range of large amount.
[Product applications] In Industial:
1) Photographic industry as a photographic fixative.
2) The paper industry for pulp bleaching agent after dechlorination.
3) Bleached cotton printing and dyeing industry as a dechlorination agent.
4) In medicine as a detergent, disinfectant, a laxative.
5) The food industry used as chelating agents, antioxidants.
[Packing] N.W.20/25/50KG PP woven bag with PE linner bag.

 

 

For more demands,pls contact Coral

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