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Zinc sulphate monohydrate granular
| Categories | Sulphate |
|---|---|
| Trademark/Brand | Richase Specialty Chemical Additives Supplier |
| Model | Zn: 33%min |
| Product name | Zinc sulphate monohydrate granular |
| Color | White |
| Packing | 50kg PP/PE neutral bag |
| Loading | 20-27mt/20fcl |
| OEM Packing | accepted |
| CAS No. | 7446-19-7 |
| Payment | T/T, L/C, D/P, D/A, Western Union, MoneyGram |
| Delivery time | within 20 days after payment receipt |
| Production capacity | 2000mts/month |
| Free sample | yes |
| FOB port | Huangpu/Qingdao port |
| Terms of Payment | L/C, D/A, D/P, Western Union, MoneyGram, T/T, Paypal |
| Update Time | Oct 23,2025 |
Detail Information
What is Zinc Sulphate Monohydrate Granular?
Zinc Sulphate Monohydrate Granular (ZnSO₄·H₂O) is a high-concentration zinc fertilizer processed into uniform 1-3mm granules, containing ≥33% zinc (Zn) and ≤17% sulfur (S). Designed for precision agriculture, it corrects zinc deficiency in crops through efficient soil or foliar applications. The granular structure ensures dust-free handling, enhanced flowability, and controlled nutrient release, making it ideal for mechanical broadcasting and blending with NPK fertilizers.
Core Features & Competitive Advantages
High Concentration & Dual Nutrients
• Zn ≥33%: 40% higher bioavailability than heptahydrate forms, ensuring rapid deficiency correction.
• S ≤17%: Synergistically enhances nitrogen assimilation and chlorophyll synthesis.
Optimized Granular Structure
• 1-3mm spherical granules: Anti-dust, compatible with mechanical spreaders, and resistant to wind drift.
• Low moisture (≤0.8%): Prevents caking during storage and maritime transport.
Quality & Safety Assurance
• Heavy metal control: Pb≤10ppm, As≤5ppm (compliant with EU 2019/1009).
• Chloride-free (<1.0%): Safe for chloride-sensitive crops (e.g., citrus, potatoes).
Stability & Functionality
Physical Stability
• Crush strength ≥30N: Withstands bulk handling and stacking without breakdown.
• Hygroscopicity ≤3%: Maintains free-flowing properties in humid climates (e.g., Southeast Asia).
Agronomic Functionality
• Root-zone zinc release: Gradual dissolution within 15 minutes, reducing leaching loss by 25%.
• Enzyme activation: Critical for carbonic anhydrase and auxin synthesis, boosting stress resistance.
Product Specifications:
Product Name: | Zinc sulphate monohydrate |
CAS NO.: | 7446-19-7 |
Molecular Formula: | ZnSO4.H2O |
Molecular Weight: | 179.43 |
Properties:White crystalline powder or granular, tasteless, deliquescent. Soluble in water, methanol, ethanol, glycerin, acetone and aether; insoluble in liquid ammonia. | |
Specifications: | |
Item | Standard |
ZN | 33% MIN |
PB | 10PPM MAX |
As | 5PPM MAX |
Cd | 10PPM MAX |
Size | 2-4MM |
Application: Zinc supplement in feed field and fertilizer field
Packing and storage: In PP/PE bags, 25/50/1000kg net.
Product Display:
Zinc Sulphate Monohydrate Granular
Zinc Fertilizer for Citrus
Buy Zinc Granules for Agriculture
Application
Citrus Orchards
• Application: 5-10kg/acre soil application at flowering stage.
• Benefit: Increases fruit set rate by 20% and Brix by 1.5°.
Corn Fields
• Application: 3-5kg/acre with base fertilizer.
• Benefit: Prevents "white seedling" disease and improves grain weight by 15%.
Vegetable Greenhouses
• Application: 2-4kg/acre fertigation every 3 weeks.
• Benefit: Reduces leaf chlorosis and enhances yield by 30%.
Applications & Solutions
Citrus Zinc Deficiency Control
Soil application at flowering stage increases Brix and fruit uniformity.
Corn Field Broadcasting
Granular zinc ensures even distribution and prevents seedling disease.
Greenhouse Fertigation System
Fully soluble granules prevent drip emitter clogging.
Related Product
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FAQ
Why choose granular over powder zinc sulphate?
A: Granular form reduces dust loss by 90%, ensures uniform field coverage, and minimizes operational risks in humid conditions – critical for large-scale farming.
Q2: How does zinc sulphate monohydrate granular compare to EDTA-Zn?
A: Our granular zinc offers 30% higher cost-efficiency for soil applications, while EDTA-Zn is superior in high-pH soils (>7.5). Granular zinc provides slow-release benefits.
Q3: What is the recommended application rate for zinc-deficient crops?
A: Apply 5-10kg/acre based on soil test results. For severe deficiency, combine with foliar spray (0.2% solution) for rapid correction.
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