Sodium tripolyphosphate

Products

The previous   To return to the list    The following
















Chemical formula: Na5Р3O10

Appearance: white loose powder.

Application: in production of detergents, in water treatment – boiler feeding, in oil, glass and ceramic industries. 

Package: Bags, in bulk, special containers "Big Bag".

Marking: Label with name, product quality, gross and net weight.

Transportation: Railway box cars, sheltered deckers, covered auto transport.

Storage: In closed storehouses, unlimited storage term.

Physical and chemical parameters:

 № Item

Norm
High grade  SK-10 SK low hydrated
1  Mass share of P2O5, %, min 57,0 56-58 56-58
2  Mass share of Na5P3O10, %, min 949494
3  Calcination losses, 105 °C, %, max

-

1,0

1,0

4


 ROH
 after 1 minute
 after 5 minutes

-

-


81-84
84-95

5

 Mass share of 1st form STPP, %, max

10

10

10-60

6

 Mass share of Fe, %, max

0,01

0,01

0,01

7

 Mass share of Sodium pyrophosphate, %, max


4

4

8

 Total sodium orthophosphate & metaphosphate, %, max

-

2

-

9

 Mass share of insolubles in water, %, max

0,10

0,1

0,1

10

 pH of 1-% water solution

9,7±0,3

 9,7±0,2 

9,2-10,3

 11 

 Looseness, %, min

30

-

-

 12 

 Whiteness, %, min

80

-

-

 13  

 Granulometry,
 Passing through sieve GOST 6613 with the mesh size in light:

 0,25 mm, %, min

 0,5 mm, max

 0,25 mm, max

 0,071 mm, max



97

-

-

-



-

0.5

3

50



-

0.5

3

50