Index	Surface Density(g/cm3)			Content of Phase I (%)
Code	L	M	H	A	B	C
Spec	0.35 – 0.50	0.51 – 0.65	0.66 – 1.00	5 - 20	21 - 40	> 40

 

Index		Technical Grade		Food Grade
Main Content(Na5P3O10 )	≥	94%		94%
Phosphorus Pentoxide(P2O5)	≥	56.5%		56.5%
Whiteness	≥	90%		90%
Insoluble matter in water	≤	0.1%		0.1%
Iron (Fe)	≤	0.008%
PH Value(10g/l solusion)		9.2 – 10.0		9.2 – 10.0
Density(g/cm3)	≤	0.35 – 1.00		0.35 – 1.00
Arsenic (As)	≤			0.0005%
Heavy Metal ( as Pb )	≤			0.001%
Floride ( as F )	≤			0.005%

Packing: In 25kg or 50kg PP woven bags line with PE film bag inside.

Application: Technical grade is mainly used in china, scour, petroleum, metallurgy, mining, warter treatment, printing and dyeing industry and so on. Food grade complex plastic interweaved sack outside with double-layer polyethylene-film sack inside, net weight 25kg;or based on the demand of user.