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STPP / Sodium Tripolyphosphate
STPP
CAS No.:7758-29-4
MF: Na5P3O10
Purity: 94%
Grade Standard: Industrial Grade, Light

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Product details

Sodium Tripolyphosphate / STPP 94%, light, industry grade

 

1.Properties: white odorless  powder or granule;

 Melting point 622°C; Easily soluble in water; It can soften hard water to make suspension solution become into clear solution; It has got weak alkalinity but no corrosiveness. 

It is a surfactant, and has got outstanding emulsification to lubricants and fat. 

 

2.Usage:

Chiefly used as a water softener,sequestering agent,and defloculating agent in detergent industry.Also used in ceramic,mine,petroleum and paper manufacturing industries.

 

3.Specifications:
   

Na5P3O10

94% Min

P2O5

57.0% Min

Water insoluble:

0.10% Max

Fe:

100ppm Max

PH:

9.2-10

Phase I:

 

 

A:5-20%

B:21-40%

C:40% Min

Density:

 

 

Light:0.35-0.5g/cm3;

Medium:0.51-0.65g/cm3

Dense:0.66-1.0g/cm3

Whiteness:

85%Min

Particle Size

Through 16 mesh Sieve % ≥   95 

Through 35 mesh sieve % ≥ 90

 Through 100 mesh sieve %≥     40

 

 
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