Ammonium Sulphate Specification 

Ammonium sulphate Granular

Ammonium Sulphate Caprolactam Grade

Items 

Standard

Standard

Appearance

White Granular

White Crystalline

N 

20.5%min

21%min

S 

23.5%min

24%min

Fe

——

0.007%max

As

0.0002%max

0.0005%max

Moisture

1.5%max

1.0%max

Free acid 

0.3%max

0.05%max

Water insoluble matter

——

0.02%max

Size

2-5mm 

——

Application

1. Used as fertilizer, applied to a variety soil and crops.

2. Used in textile,leather,medicine and so on.

3. Mainly used as the raw material of BLENDING NPK.