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Excellent PS filler masterbatch solutions




GEMASTIREN series are 60% to 80% Calcium carbonate (CaCO3) filled
Polystyrene (HIPS) compounds. GEMASTIREN series are used in thermoforming and injection moulding applications. 




  • PS sheets
  • PS thermoforming
  • Cups, plates
  • Injection moulding applications


Gemastiren series are significantly lowers raw material overhads and are 80% more environmental friendly. Gemastiren series are widely used in the manufacture of injection moulded products, extrusion products, thermoforming applications.




  • Significantly lowers raw material overheads
  • Upto 80% more environmentally friendly
  • Reduces energy consumption


Below listed products are reference grades, therefor no MFI stated. These products can also be improved with various additives and modifiers if required.
Product Description MFI (g/min.) Density (g/cm3)
GEMASTIREN FK60 %60 CaCO3 filled PE N/A 1.64
GEMASTIREN FK70 %70 CaCO3 filled PE N/A 1.78
GEMASTIREN FK80 %80 CaCO3 filled PE N/A 1.97