Ammonium Sulphate 21% Nitrogen: Caprolactam Grade Export Buying Guide

Buyers sourcing Ammonium Sulphate Caprolactam Grade from China usually ask for 21% nitrogen, export packing, COA review and destination-port quotation. This guide helps procurement teams prepare a clearer RFQ for container shipments.

Key Takeaways for Buyers

Caprolactam grade ammonium sulphate is commonly used as a nitrogen and sulfur fertilizer. It is traded in crystal, granular or compacted forms depending on supplier source and market demand.

Buyers should confirm nitrogen content, moisture, free acid, appearance, particle form and packing before comparing offers. Final specification should be based on COA and contract.

Export Packing and Shipment

Common packing includes 50 kg bags and jumbo bags. Palletizing, bag marks and container loading plans should be confirmed before shipment, especially when the buyer has distributor or import compliance requirements.

RFQ Checklist

Include target form, quantity, destination port, packing, expected shipment time and document requirements. If you compare ammonium sulphate with urea, DAP or MAP, state the intended crop or fertilizer program so the supplier can quote the right grade.

Buyer FAQ

What nitrogen content is common for ammonium sulphate?

21% nitrogen is commonly requested for caprolactam grade ammonium sulphate.

Can buyers request granular material?

Granular or compacted forms can be checked according to current supplier availability and specification.

What documents are useful before shipment?

COA, packing list, invoice, bill of lading and certificate of origin are commonly discussed, depending on order terms.