Clay

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General Characteristics

  • Density / sound deadening
  • Heath conductivity / cooling time
  • Detectability
Property Portaryte B Portaryte D Portaryte M
Density (kg/l) 4.4 4.4 5.2
Colour white Off-white Black
Abrasion No Medium Higher
Thermal cond. (W/mK) 2.5 2.5 9.7
Addition polymer stabilizer Little Medium Higher

A selection from the WBB Group Range for Sanitaryware

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In the table below some of the properties of white barytes (Portaryte B); off-white barytes (Portaryte D) and Magnetite (Portafer M).

Especially the combination of higher density and higher thermal conductivity. can make the use of magnetite attractive for the compounder. This is demonstrated in the table below:

Mass Mass V% V%
PP Filter PP Filter
Barytes 35 65 72.4 27.6
Magnetite 35 65 72.4 27.6

Taking the Barytes compound (65% filled) as reference, we find that using magnetite at the same volume percentage we can achieve a 15% higher compound density.

Since we are comparing the same filler-volume we can expect similar processing viscosity, however due to the higher conductivity of the magnetite we can expect faster cooling of the moulded/extruded products.

  • Our magnetite has magnetic properties which can make the plastic detectable (relevant for food packaging and -processing)
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A selection from the WBB Group Range for Sanitaryware

View table
Mass Mass V% V%
PP Filter PP Filter
Barytes 35 65 72.4 27.6
Magnetite 35 65 72.4 27.6
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