从Egypt供应商批发进口Dap (Diammonium Phosphate) — FOB条款

DAP (Diammonium Phosphate) – Full Product Overview

DAP is one of the most widely used phosphorus fertilizers in agriculture. It contains both nitrogen and phosphorus in highly available forms for plants.

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1. Specification (Typical Industrial Grade DAP 18-46-0)

* Chemical formula: (NH₄)₂HPO₄ * Nitrogen (N): ~18% * Phosphate (P₂O₅): ~46% * Moisture: ≤ 1.5% (typical max 2%) * Free acidity (as P₂O₅): Low / controlled * Appearance: Grayish, brown, or dark granular crystals * Granule size: 1–4 mm (majority in standard range) * Solubility: Fully water soluble in soil solution

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2. Standard & Quality Requirements

Common international standards:

* FAO / WHO fertilizer standards * ISO 5310 (Fertilizer terminology & specs) * ASTM / regional fertilizer grading standards * Export specifications often follow US, EU, or Chinese GB standards

Quality control parameters:

* Minimum P₂O₅: 46% * Minimum N: 18% * Low heavy metals (Cd, Pb within limits) * Free from harmful impurities (chlorides, fluorides controlled) * Anti-caking performance for storage stability

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3. Packaging

Typical commercial packaging options:

* 50 kg PP woven bags (most common) * 1 MT jumbo bags (bulk export) * Inner polyethylene liner for moisture protection * Export packing often includes: * Heat-sealed inner liner * UV-protected outer bag * Printed grade + origin + batch number

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4. Uses (Applications)

DAP is mainly used as a starter fertilizer:

Agriculture:

* Wheat, maize, rice * Vegetables and fruit crops * Oil seeds (sunflower, soybean, canola)

Benefits:

* Strong root development * Early plant growth stimulation * High phosphorus availability in early stages * Improves yield and crop uniformity

Application methods:

* Basal soil application before planting * Band placement near seed row (preferred) * Not typically used as foliar fertilizer

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5. Certification & Compliance

For export/import, DAP usually requires:

* Certificate of Analysis (COA) * MSDS (Material Safety Data Sheet) * Phytosanitary certificate (if required by importing country) * ISO 9001 (manufacturer quality management) * REACH compliance (for EU markets) * GMP / good manufacturing practice certification * Cargo inspection certificate (SGS, Bureau Veritas, etc.)

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6. Storage & Handling Quality

* Store in dry, ventilated warehouse * Avoid moisture and humidity exposure * Keep away from alkaline materials * Prevent caking using proper stacking and pallets * Shelf life: long-term if properly stored

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