Properties:

1. Appearance: White microdot powder with luster
2. Melting point: 622 degree centigrade
3. Solubility: Easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+, Mg2+
4. pH: Slightly alkaline
5. Without causticity

Na5P3O10%≥                         94.0
P2 O 5 %≥                            57.0       
Water Insoluble Matter%≤      0.15        
Iron(Fe) %≤                           0.015       
PH Value (1% water solution)     9.2-10.0   
Heavy Metal (as Pb) %≤           -        
Arsenic (As) %≤                     -              
Fluoride (F) %≤                      -             
Whiteness %≥                        92         
density (g/cm3)                       0.35-0.9   
Phase I                                   10-30