• Specification

Item	STANDARD GRADE	FINED GRADE
Water soluble humic acid (dry basis) ( % )	Min 85.0	Min 95
Humic acid (dry basis) ( % )	Min 60.0	Min 75
Potassium content (K2O dry basis) ( % )	Min 12.0	Min 15
Moisture ( % )	Max 15.0	Max 15
PH	9.0-10.0	9.0-10.0
Residue on sieve(0.5mm) ( % )	Max 5.0	0.2-1
Size(mm)	-	0.2-1

• Packing : in 25 kg paper bags or 50kg net PP woven bags with PVC lining.
• Storage : in sealed and damp-proof place.