Potassium sulphate (K₂SO₄) is a water-soluble fertilizer component widely used to enrich soil potassium content without adding chloride. Its inclusion in fertilizer blends enhances crop yield, strengthens plant resistance, and supports sustainable farming practices across Asia and Africa.
What is Potassium Sulphate?
Potassium sulphate is an inorganic salt that provides essential potassium and sulfur nutrients. Unlike other potassium fertilizers, it is chloride-free, making it ideal for chloride-sensitive crops like fruits, vegetables, and tobacco.
Key Applications in Agriculture
- Enhancing soil fertility in arid and semi-arid regions.
- Enriching fertilizer blends for cereals, fruits, and vegetables.
- Reducing soil salinity risks while supplying potassium and sulfur.
- Supporting high-value crop production in export-oriented agriculture.
Chemical Properties & Performance
- Formula: K₂SO₄
- Appearance: White crystalline powder
- Solubility: Highly soluble in water
- Function: Provides potassium (K₂O) and sulfur (SO₃) nutrients
- Benefit: Improves crop growth, yield, and stress resistance
Grades & Purity
- Agricultural-grade: Safe for fertilizer blends and food crops.
- Industrial-grade: Suitable for chemical and manufacturing processes.
- Advantage: Ensures farmers and fertilizer manufacturers receive consistent, high-quality supply.
Quality Standards & Compliance
Potassium sulphate supplied for fertilizer blends must meet international quality standards:
- ISO 9001: Ensures consistent quality and production processes.
- Fertilizer Regulatory Standards: Compliant with local agricultural regulations in India, Asia, and Africa.
- Purity Levels: Agricultural-grade K₂SO₄ typically contains ≥50% K₂O and ≥17% SO₃, suitable for high-performance fertilizer blends.
Packaging, Storage & Handling
- Packaging: 25 kg, 50 kg, or bulk bags to protect from moisture and contamination.
- Storage: Dry, ventilated warehouses; avoid exposure to water or humidity.
- Handling Tips: Use gloves and masks during manual handling to prevent inhalation of dust; suitable for automated fertilizer blending systems.
Advantages of Working with Reliable Suppliers
Partnering with a trusted supplier ensures:
- Consistent Supply: Continuous availability for large-scale fertilizer production.
- Product Traceability: Certificates of analysis (COA) and purity reports for every batch.
- Export-Ready Packaging: Suitable for shipping to Gulf, African, and Asian markets.
- Technical Support: Guidance on optimal blending ratios, crop-specific recommendations, and handling best practices.
Custom Solutions for Fertilizer Manufacturers
Suppliers like Vinipul Chemicals provide tailored solutions:
- Customized fertilizer blends with K₂SO₄.
- Consultation for crop-specific potassium and sulfur requirements.
- Assistance in scaling production without compromising nutrient quality.
Why Choose Vinipul Chemicals for Potassium Sulphate Supply
- Pan-India and international export capabilities.
- High-purity, industrial and agricultural-grade K₂SO₄.
- Expert support in supply chain, quality control, and compliance.
- Trusted by fertilizer manufacturers across Asia and Africa.
Export Destinations & Packaging for International Markets
Potassium sulphate from India is widely exported to African nations, Gulf countries, Southeast Asia, and other emerging agricultural markets. Key packaging and logistics considerations:
- Bulk Bags & Jumbo Sacks: 500 kg–1 ton for industrial fertilizer manufacturers.
- Containerized Shipping: Ensures product remains dry and contamination-free.
- Customs Compliance: Full documentation for smooth import into overseas markets.
Buyer Guide – Selecting the Right Potassium Sulphate for Fertilizer Blends
When choosing K₂SO₄ for fertilizers, manufacturers should consider:
- Purity & Nutrient Content: High K₂O and SO₃ percentages for optimal crop growth.
- Blend Compatibility: Ability to mix with NPK fertilizers without chemical reaction.
- Supplier Reliability: Consistent supply, COA documentation, and technical support.
- Price vs Quality: Competitive pricing without compromising nutrient standards.
Certifications & Test Reports
Reputable suppliers provide:
- Certificate of Analysis (COA): Batch-specific purity and nutrient content.
- ISO & Regulatory Certifications: Ensuring adherence to global agricultural chemical standards.
- Lab Testing Reports: For moisture, particle size, and solubility.
Request Price & Datasheet
Fertilizer manufacturers looking for high-quality potassium sulphate can contact Vinipul Chemicals directly for:
- Bulk pricing quotes and export details.
- Customized crop-specific recommendations.
- Sample testing and technical consultation.
- Export-ready packaging for Asia, Africa, and Gulf markets.
Contact Vinipul Chemicals: Request a Quote | Product Details
FAQs – Applications of Potassium Sulphate in Fertilizer Blends
- What is the ideal purity of potassium sulphate for fertilizer blends?
The ideal purity for agricultural-grade potassium sulphate (K₂SO₄) is typically ≥ 99%, ensuring maximum potassium (K₂O) and sulphate (SO₃) content for effective crop nutrition. - How does K₂SO₄ improve crop yield compared to other potassium fertilizers?
Potassium sulphate provides both potassium and sulphur, essential nutrients that improve plant growth, resistance to disease, and fruit quality, unlike potassium chloride which does not supply sulphur. - Can potassium sulphate be used in NPK blends safely?
Yes, K₂SO₄ is compatible with NPK formulations, enhancing the potassium and sulphur content without causing unwanted chemical reactions in the blend. - What is the typical packaging for exporting K₂SO₄?
Exports are usually in bulk bags (500 kg–1 ton) or jumbo sacks, with moisture-resistant liners to prevent contamination during shipping. - How do African manufacturers benefit from Indian potassium sulphate?
Indian K₂SO₄ is high-purity, cost-effective, and consistently available, making it ideal for fertilizer manufacturers and distributors in Africa who require reliable supply chains. - Is potassium sulphate water-soluble for fertilizer applications?
Yes, K₂SO₄ is highly water-soluble, making it suitable for soil application, fertigation, and foliar feeding. - What are the storage guidelines for K₂SO₄ in humid climates?
Store in a dry, ventilated warehouse. Avoid direct contact with moisture, as K₂SO₄ can caking or dissolve if exposed to water. - How can I verify the quality of potassium sulphate before purchasing?
Request a Certificate of Analysis (COA) from the supplier, which provides batch-specific information on purity, K₂O and SO₃ content, moisture level, and particle size. - Does Vinipul Chemicals provide export documentation for K₂SO₄?
Yes, Vinipul Chemicals provides full export documentation, including COA, packing list, invoice, and compliance certificates, ensuring smooth customs clearance. - What is the shelf life of potassium sulphate in bags?
When stored properly, K₂SO₄ has a shelf life of 3–5 years, retaining nutrient content and solubility. - How to determine the right quantity of K₂SO₄ for a specific crop?
Crop nutrient requirements depend on soil tests and crop type. Fertilizer experts can calculate the exact K₂SO₄ application to meet crop potassium and sulphur needs. - Can potassium sulphate be used in organic fertilizer blends?
Yes, K₂SO₄ is acceptable in certain organic blends, as it is non-synthetic and does not introduce harmful residues. - What is the price range for bulk potassium sulphate supply in India?
Prices vary based on quantity, grade, and export location, but Indian K₂SO₄ is generally competitive and cost-effective for large-scale fertilizer production. - Are there different grades of K₂SO₄ for fertilizer production?
Yes, grades vary by purity, granule size, and moisture content. Industrial-grade K₂SO₄ is used for fertilizer blends, while technical grades may be used for chemical processes.
How do I request a sample or datasheet from Vinipul Chemicals?
You can request a sample or datasheet by contacting Vinipul Chemicals through their Contact Us page or by directly emailing their sales team.
