GEMASTIREN® FK Series

High CaCO₃ Filled HIPS Masterbatches

The GEMASTIREN® FK Series consists of 50% to 80% calcium carbonate (CaCO₃)–filled polystyrene (HIPS) masterbatches, specifically developed for thermoforming and injection moulding applications.

Applications 

  • PS sheets
  • PS thermoforming
  • Cups & plates
  • Injection moulded products
  • Extrusion products

The GEMASTIREN® FK Series offers substantial cost savings and environmental benefits, being up to 80% more eco-friendly compared to conventional alternatives. These compounds are widely used across industries that require durable, cost-efficient, and sustainable plastic solutions.

Advantages 

  • Significantly reduces raw material costs
  • Up to 80% more environmentally friendly
  • Lower energy consumption

Click to view the table.

Product Description Density Request Form
GEMASTIREN FK60 60% CaCO3 Filled PS 1.65
GEMASTIREN FK70 70% CaCO3 Filled PS 1.83
GEMASTIREN FK75 75% CaCO3 Filled PS 1.93

The products mentioned in the list above are reference products, therefore their MFI values are not specified. Products with many different features can be produced upon request.