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Potassium Sulfate Fertilizer

Allas : Potassium Sulphate Fertilizer (SOP)

Grade Standard : Agriculture, industry

Purity : 50%~52%

Cas No : 7778-80-5

HS No : 3104300000

Einecs No: 231-915-5

MOQ : 25T (Sample free)

Payment Terms : T/T, L/C, cash(USD, EUR, RMB)

Trade Terms : FOB, CIF, EXW

Place of Origin : Hubei, China

Application : Agricultural fertilizers, Industrial raw materials

Company's latest catalog :Huaqiang Chemical Group Catalog.pdf

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Products Description

Pure potassium sulfate (SOP) is colorless crystal, and the appearance of potassium sulfate for agricultural use is mostly light yellow. Potassium sulfate has low hygroscopicity, is not easy to agglomerate, has good physical properties, is easy to apply, and is a very good water-soluble potash fertilizer.

Potassium sulfate is a common potassium fertilizer in agriculture, and the content of potassium oxide is 50 ~ 52%.It can be used as base fertilizer, seed fertilizer and topdressing fertilizer. It is also an important component of compound fertilizer nutrients.

Potassium sulfate is particularly suitable for cash crops that avoid the use of potassium chloride, such as tobacco, grapes, beets, tea trees, potatoes, flax, and various fruit trees. It is also the main ingredient in the manufacture of ternary compost containing no chlorine, nitrogen or phosphorus.

Industrial USES include serum protein biochemical tests, catalysts for Kjeldahl and basic materials for the production of various potassium salts such as potassium carbonate and potassium persulfate. Used as a cleaning agent in the glass industry. Used as intermediate in dye industry. Used as an additive in the perfume industry. It is also used in the pharmaceutical industry as a cathartic for the treatment of soluble barium salt poisoning.

Quality Standard

Test Items

Powder crystal


First grade

Potassium Oxide %        



Chloridion  %              ≤



Free Acid   %              ≤



MoistureH2O %        ≤



S%                        ≥



The product implementation standard is GB/T20406 -2017


Package & Delivery

Potassium sulfate

The double-layer packaging is adopted, the inner packaging is polyethylene plastic bag, the outer packaging is plastic woven bag, and the net content of each bag is 25kg or 50kg.

Supply Ability

Potassium sulfate

The company produces 1.5 million tons of NPK compound fertilizer, 1 million tons of urea, 150000 tons of organic fertilizer, 200000 tons of organic and inorganic compound fertilizer, 300000 tons of ammonium bicarbonate and 100000 tons of potassium sulfate.


Delivery:International Logistics Service

for 90% of our shipment, we will go by sea, to all main continents such as Southeast Asia, South America, Middle East, Africa, Oceania and Europe etc.

for neighborhood countries of China, such as Russia, Mongolia, Kazakhstan,Uzbekistan etc, we can ship trucks by rod or railway.

for few samples for testing in urgent demand, we can ship it by international courier service,such as DHL,TNT,UPS,or Fedex.

We will send testing report with goods, if your testing result is different from the report we send with goods, we will take the responsibility


Q:Are you trader or manufacturer?
A:We are one of the largest and most professional and product variety Fertilizer and Chemical Group in middle China.

Q:what is your lead time?
A:It depends on the quantity of the order, usually 7-30 days after received payment.

Q:How about your production capacity?
A: Annual output of 1.5 million tonnes High Concentration NPK Compound Fertilizer, 1 million tones Urea, 800,000 tonnes Synthetic Ammonia Alcohol, 150,000 tonnes Organic Fertilizer, 200,000 tonnes Organic-inorganic Compound Fertilizer, 300,000 tonnes Ammonium Bicarbonate, 250,000 tonnes Hydrogen Peroxide, 100,000 tonnes  of Dimethyl Ether, 100,000 tonnes Potassium Sulfate, 80,000 tonnes Sodium Nitrate and Sodium Nitrite, 50,000 tonnes Melamine and 50,000 tonnes Formaldehyde production capacity.

Q:Can you accept OEM order and what’s the MOQ?
A:OEM service is available and MOQ is 5X20 fcl.

Q:Can we get sample for test?
A:Yes, we supply sample free, but you need pay for the express fee.

 Q:what is your payment terms?
A: T/T and L/C.

Q: How do you guarantee your product quality?
A:. We make sure each lot of good is 100% qualified.

Q:Can we get technical support?
A:Yes, We provide online technical support


Our sales staff will be the first time to get in touch with you,to provide you with the latest price.

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