Name: Sodium Hexametaphosphate 68%
CAS No.: 68915-31-1
Chemical formular: (NaPO3)6
HS Code: 28353990

Items	Indexes
	Premium Grade	First Grade	Quolified Grade
Total phosphates(as P2O5)% ≥	68.0	67.0	65.0
Inactive Phosphates(as P2O5)% ≤	7.5	8.0	10.0
Water Insoluble matter%≤	0.05	0.10	0.15
Iron (Fe)% ≤	0.12	0.10	0.20
PH Value	5.8-7.3	5.8-7.3	5.8-7.3
Solubility	Acceptable	Acceptable	Acceptable
Average degree of polymerization(n)	10-16	10-16	10-16