Sanhuan Yuntianhua Potassium Dihydrogen Phosphate (Fertilizer Grade, Superior Product)
I. Product Specifications and Core Indicators
This product is Sanhuan Yuntianhua Brand Potassium Dihydrogen Phosphate (KH₂PO₄), graded as Fertilizer Grade Superior Product. Its core nutrient indicators meet and exceed the requirements for superior products in the national standard GB/T 2321-2016 "Fertilizer-Grade Potassium Dihydrogen Phosphate": Phosphorus Pentoxide (P₂O₅) content ≥ 52.0%, Potassium Oxide (K₂O) content ≥ 34.0%, and total nutrient content ≥ 86%. The product appears as white crystals or powder, with complete water solubility.
II. Key Product Characteristics
High Purity and Solubility: High purity of active ingredients, dissolves quickly and completely in water to form a clear, residue-free solution.
Safe and Efficient Nutrients: Chlorine-free and low-sodium, safe for crops without increasing soil salt damage risk; both phosphorus and potassium are water-soluble, ensuring high absorption and utilization efficiency by crops.
Acid-Base Buffering Capacity: Its aqueous solution is slightly acidic (pH ≈ 4.4-4.7), helping maintain fertilizer solution stability and slightly regulating the rhizosphere microenvironment.
Physical Stability: Good fluidity; products meeting superior grade standards have relatively low hygroscopicity, facilitating storage and weighing.
III. Main Application Fields
Efficient Foliar Topdressing: An excellent choice for foliar spraying on fruit trees, vegetables, cash crops, and field crops during flowering, young fruit, expansion, and color change stages. It promotes flower and fruit retention, enhances coloring, increases sweetness, and improves stress resistance.
Core Raw Material for Water-Fertilizer Integration: Suitable for formulating high-end water-soluble fertilizers for drip irrigation and sprinkler irrigation, ensuring no system clogging.
Seed Treatment and Seedling Promotion: Used for seed soaking or dressing to improve seed germination potential and seedling vigor.
Industrial Uses: Can be used as a buffer or culture medium, but its indicators must meet specific industrial requirements.
IV. Production Advantages
Stable and Reliable Quality: Backed by large enterprises' strict quality control systems and large-scale production, ensuring consistent quality across batches.
Raw Material and Process Guarantee: Usually has a complete industrial chain from phosphate rock to finished products, with high self-sufficiency in raw materials and mature production processes.
Compliance with National Standards: The superior grade indicates that its key indicators (such as nutrient content, moisture, water-insoluble matter, and chlorine content) exceed the basic national standard requirements.
V. Usage and Procurement Recommendations
Application Guidelines: Common dilution ratio for foliar spraying is 500-1000 times; for drip irrigation, it should be scientifically formulated according to crop fertilizer requirements.
Quality Verification: Request official quality inspection reports when purchasing to verify that nutrient content, heavy metals, and other impurity indicators meet standards.
Storage: Seal and store in a cool, dry place.
Market Positioning: As a high-quality domestic brand, it balances quality and cost-effectiveness, making it a preferred choice for large and medium-sized growers, cooperatives, and water-soluble fertilizer processing enterprises seeking stable results and reliable supply.
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