Specification :

No. Index Industrial Grade Food Grade
01 Assay Na5P3O10 % e 94.0-96.0 94.0-95.0
02 P2 O 5 % e 57.0 57.0
03 Water Insoluble Matter % d 0.15 0.05
04 Iron( Fe) % d 0.015 0.015
05 PH value ( 1% water solution) 9.2-10.0 9.5-10.0
06 Heavy Metal ( as Pb) % d 0.001
07 Arsenic ( As) % d 0.0003
08 Fluoride ( F) % d 0.003
09 Chloride( Cl) % d 0.025
10 Sulphate( SO4) % d 0.4
11 Whiteness % e 90 90
12 Ignition loss 1.0
13 density ( g/ cm 3 ) 0.35-0.9 0.35-0.9
14 Phase I 10-30 10-30
15 Particle Size( 1.00mm) % e 95 95