Products
We offer a one-stop sourcing service for a full range of chemical products, and our professional foreign trade team provides end-to-end export services.
Product Specifications
CAS 号：57-13-6
Physical and chemical core indicators (export quality products)
1. Total nitrogen (dry basis): ≥46.4%
2.Moisture: ≤0.3%
3. Biuret: ≤0.9%
4. Appearance: white uniform particles, no large amounts of dust, no agglomeration
5. Conventional particle size: 0.85–2.8mm, screening pass rate ≥90%; large particle size 2–4mm
6.Bulk density: 0.78~0.85 t/m³
7. Water solubility: Easily soluble in water, the aqueous solution is weakly alkaline
8.5% aqueous solution pH: 8.0~9.5
9. Free ammonia: ≤0.01%
3. Impurity control index (unit: mg/kg)
1. Water-insoluble matter: ≤100
2.Arsenic (As): ≤5
3. Lead (Pb): ≤10
4. Cadmium (Cd): ≤1
5. Chromium (Cr): ≤50
6. Iron (Fe): ≤70
4. Export packaging and logistics parameters
1. Packaging specifications: 50kg PE lined PP woven bag / 1000kg ton bag
2. Container loading: 20GP=25MT
3. Supporting export documents: COA test report, MSDS, exit commodity inspection form, certificate of origin
4. Applicable trade terms: FOB Qingdao / Tianjin
Product Inspection
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Service Advantages
Rapid Response, Precise Quotations
We respond to inquiries within 24 hours, providing professional quotation options such as FOB, CIF, and CFR.
Quality First, End-to-End Control
We can arrange sample shipments and third-party inspections (e.g., SGS, BV), while strictly monitoring packaging and production progress.
Hazardous Cargo Booking: Professional and Efficient
We specialize in the export of Class 3, 5, 8, and 9 hazardous materials, securing cargo space in advance to ensure compliant shipments.
Accurate Documentation, Hassle-Free Customs Clearance
Proficient in handling documents such as Certificates of Origin (CO), Form E, Hazardous Packaging Certificates, and MSDS, ensuring smooth customs clearance at the destination port.
End-to-End Logistics Tracking, Secure Delivery
From factory to port, and from container loading to vessel departure, we provide real-time monitoring to ensure the safe arrival of your cargo.
Closed-Loop After-Sales Support, Long-Term Partnership
We assist in resolving quality issues and handling claims, regularly share market insights, and grow together with our clients.
Rapid Response, Precise Quotations
We respond to inquiries within 24 hours, providing professional quotation options such as FOB, CIF, and CFR.
Quality First, End-to-End Control
We can arrange sample shipments and third-party inspections (e.g., SGS, BV), while strictly monitoring packaging and production progress.
Hazardous Cargo Booking: Professional and Efficient
We specialize in the export of Class 3, 5, 8, and 9 hazardous materials, securing cargo space in advance to ensure compliant shipments.
Accurate Documentation, Hassle-Free Customs Clearance
Proficient in handling documents such as Certificates of Origin (CO), Form E, Hazardous Packaging Certificates, and MSDS, ensuring smooth customs clearance at the destination port.
End-to-End Logistics Tracking, Secure Delivery
From factory to port, and from container loading to vessel departure, we provide real-time monitoring to ensure the safe arrival of your cargo.
Closed-Loop After-Sales Support, Long-Term Partnership
We assist in resolving quality issues and handling claims, regularly share market insights, and grow together with our clients.
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