1.Supply ability : 160,000MT 2. To meet different specificaltion 3. Abountant phosphorus resource 4. High quality

We are supply different specification STPP .

1.  Low bulk density     ( 0.35 - 0.55g/cm3 )

2.  Middle bulk density  ( 0.65  - 0.85 g/cm3 )

3.  High bulk density     ( 0.85  -  1.0  g/cm3  )

4.  Low Phase  I            ( less than 20% )

5.  High phase  I            ( more than 40% )

6.  low  Iron content      ( less than 0.008% )

Normal detailed specification as follows :

Sodium Tripolyphosphate ( STPP Technical Grade )  

 Purity ( as Na5P3O10 ) : 94% min.

 P2O5 : 57% min.

 Water insoluble : 0.1% max.

 Fe : 0.015% max.

 PH value : 9.0 -- 10

 Whiteness : 90% min.

 Bulk density : 0.65 --0.85 g/cm3

 Phase I : 20% -- 40%

 Fineness ( retain on 20 mesh ) : 5% max. 

Packing :  In  25kg WPP bag or 1000kg jumbo bag.

SODIUM TRIPOLYPHOSPHATE