Indexes

Industrial Grade

Food Grade

Na₅P₃O₁₀%≥

94.0

94.0

P₂ O ₅  %≥

57.0

57.0

Water Insoluble Matter%≤ 

0.15

0.04

Iron(Fe) %≤

0.015

0.006

PH ＆#118alue (1% water solution)

9.2-10.0

9.5-10.0

Heavy Metal (as Pb) %≤

-

0.001

Arsenic (As)  %≤

-

0.0003

Fluoride (F) %≤

-

0.003

Whiteness %≥

92

92

density (g/cm³)

0.35-0.9

0.35-0.9

Phase I

10-30

10-30