Case study rubik bar stool

Raising the bar

Bar stool formed from polycarbonate offers clear benefits

Covestro polycarbonates and color technologies help bring distinctive furniture designs to market.

Supplier: Pedrali S.p.A.
Industry: Consumer products
Application: Rubik bar stool
Product: Makrolon® polycarbonate

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Despite an original idea and successful design, the challenges facing the development team at Pedrali were still considerable. The furniture manufacturer required a polymeric material for its Rubik bar stool that had glass-like transparency and could be produced in a single production step.

Thus, Pedrali seeked Covestro for help. Covestro offers high-transparent grades of Makrolon® polycarbonate for the furniture industry that are a good fit for the project. Makrolon® allows designers outstanding design freedom due to its melt flow properties which can be processed efficiently and cost-effectively in a wide processing window using injection molding.

Aura® color technology from Covestro offers another benefit to the furniture manufacturer. This technology allows the plastic to be infused briefly in a solution to add transparent color after production and is ideal for customized design of small pieces, such as the Rubik barstool.

Covestro’s color technologies are considered to be the industry’s most homogenous, one-stop solution for color and special effects. Two technologies can be employed to meet the needs of furniture designers and manufacturers:

  • AURA® infusion technology – Infuse parts with color and functional additives after they are molded/formed
  • LEDA® compounded color technology – Molded-in color for Covestro plastics

The main properties of Makrolon® polycarbonate grades are:

  • High strength
  • Glass-like transparency
  • High stiffness
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