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advantages of SPT

 

The following table presents a comparison of the available heavy liquids.

Our Sodium polytungstate is opposed to an organic heavy liquid and the aequous LST.

Have a look for yourself to find out which advantages Sodium polytungstate offers you.

 

  organic systems aqueous systems

halogenated
hydrocarbons

LST

Sodium
polytungstate
delivery form   liquid liquid, powder and granulate
       
recycleable   yes yes
       
thermally stability   > 100° C 95° C
       
toxicity highly toxic! non toxic non toxic
       
solubility >20° C   excellent excellent
solubility <15° C   crystallisation excellent
       
crystallizing point at
density 2,8 g/cm³
  16-18° C < 0° C
       
density of saturated solution at 25° C   2,95 g/cm³ 3,08 g/cm³
       
viskosity at
density 2,4 g/cm³
  4 cP 4 cP
       
viskosity at
density 2,8 g/cm³
  10 cP 19 cP
       
in combination with tungsten carbide for preparation of higher densities   unsuitable excellent

 

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