powder crystal ammonium sulphate

Appearancewhite Powder
Nitrogen20.5% min
Moisture1% max
  • Description

powder crystal ammonium sulphate

1. Captolactam grade: granular, white or off white, N 21% min, size: 2-4mm

2. Steel grade: Powder or granular, white or off white, N 20.5% min

3. Manufacture: SINOPEC, TCC, Shougang steel, Bao steel


Technical specifications of Ammonia sulfate(National standard GB535-1995)

Ammonia sulfate
ItemSupreme gradeFirst gradeQualified grade
AppearanceWhite crystal, no visible mechanical impurityNo visible mechanical impurityNo visible mechanical impurity
N content(dry basis), % ≥
Water content (H2O), % ≤
Free acid(H2SO4) content, % ≤
Fe content, % ≤0.007//
As content, % ≤0.00005//
Heavy metal (Pb) content, % ≤0.005//
Water insolubles, % ≤0.01//
Note: when ammonium sulphate is used in agriculture, it is not necessary to check the content of Fe, As, heavy metal and water in solubles.


Packaging & Shipping

1. Packed in PP woven bags with PE film liner. Net weight of each bag: 25kgs, 50kgs, 1000kgs.

2. Shipping mark as per sale’s mark.

3. Shpped in 20ft container or in bulk.

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