Specification :

For food grade,sodium tripolyphosphate is mainly used as quality improvement agent.For tech grade,it is used as additive in synthesizing detergent process,and can also used in other industry field.Please check the stardard:
Main content:94pct min.
Phosphorous pentoxide:57pct min
Iron as Fe:0.01pct max
Arsenic as As:3ppm max
Heavy metal as Pb:10ppm max
Fluoride as F:50ppm max
Size(through 20 mesh sieve):95pct min
PH value:9.2-10.0
Water insoluble:0.15pct max
Whiteness:90min
Type I:28pct min.
Density:0.66-0.9g/cm3
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