Customization: | Available |
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CAS No.: | 7778-80-5 |
Formula: | K2so4 |
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Physical and chemical Properties
1. Appearance: White granular or powder
2. Vapor Pressure: 0.4(1130degC)
3. Density: 2.669/cm3
4. Boiling Point: 1689degC
5. Freezing/Melting Point: 1069 deg C
6. Solubility: Soluble in water. 111 g/L (20 C)
7. Molecular Formula: K2SO4
8. Molecular Weight: 174.27
Item | Test Standard | Test Result |
Appearance | Powder/granular | Powder/granular |
K2SO4 | 99%min | 99.3% |
K20 | 50%min | 52.6% |
Moisture | 1.5%max | 0.95% |
CL | 1.5%max | 1.5% |
S | 17%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% |
Package | Bag No. /20' FCL | Net Weight per Drum | Net Weight per 20'FCL |
25kg bag with pallets | 800 | 25KG | 20 MT |
25kg bag without pallets | 1000 | 25 KG | 25MT |
Delivery time | within 7-15 working day after getting advance payment |
1. Potassium sulphate is convenient to apply, and is a good water-soluble potassium fertilizer.
2. Potassium sulphate is also a chemically neutral, physiologically acidic fertilizer.
3. Potassium sulphate is a kind of chlorine-free, high-quality and high-efficiency potash, especially in the cultivation of chlorine-sensitive crops such as tobacco, grape, sugar beet, tea tree, potato, flax and various fruit trees.
4. It is also an indispensable important fertilizer; it is also high quality. The main raw material of nitrogen, phosphorus and potassium ternary compound fertilizer.
Q1: Can I get samples?
A: Yes, we can provide you with free samples, but the freight needs to be paid by you, I hope you can understand.
Q2: How to pay?
A: PI will be sent firstly after our aligned products specification. Payment by Paypal , T/T, Western Union,LC, are ok.
Q3: How is your MOQ?
A: Normally speaking, our MOQ is 1kg. But we can also accept less quantity such as 100g on the condition that sample charge is100% paid.
Q4: How can you guarantee the quality of your products ?
1. Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
2. Free sample or pre-shipment sample are available for our new cooperation before you place commercial order. We are sure the same specification commercial products as sample to customers
3. Third Party Inspection like SGS can be arranged according to your requirement before shipping.
4. On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.
Q5:How is your after-sales service?
A: If you have any technical or quality problems after receiving the goods, you can always contact us. If the problem is caused by us, we will send you the goods for free or refund your loss.