Industry Grade Sodium Tripolyphosphate, STPP 94.0%

Description

Industry Grade Sodium Tripolyphosphate,STPP *4.0%
 

~Commodity Name : Sodium Tripolyphosphate (Tech Grade)
Structural formula: Na5P3O*0
CAS No. : ********4                                       

Characteristics

White powder or granule; Melting point **2 °C ; Easily soluble in water; It has remarkable chelating capacity to metal ions of Ca2+ and Mg2+ etc. and can soften hard water to change suspension into solution, alkalinity, without causticity . It is a surfactant, and has outstanding emulsification to lubricants and fat.

Specifications

Item Specification Index
Na5P3O*0 , %  Min *4.0
P2O5 , % Min *7.0
Water Insoluble , % Max 0.*5
PH Value (1% aqueous solution) 9.2~*0.*3
Whiteness Min *5
Iron as Fe , % Max 0.**5
Bulk density , g/cm3 Light:0.***0.5g/cm3;
      Medium:0.***0.*5g/cm3
   Dense:0.***1.0g/cm3

Application

As main auxiliary of synthetic detergent,soap synergistic agent,water softener,sequestering agent,and defloculating agent in detergent industry.

Also used in tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production.

Packing

*5 kg / *0 kg pp woven bag or /***0 kg super sack bag