Der neue Stuhl Belleville von Vitra besteht aus zwei separaten Komponenten – eine Rahmenstruktur und eine Sitzschale, aus Ultramid® B3EG6 SI, einem Polyamid der BASF mit besonders hoher Oberflächenqualität (SI: surface improved). Der neue Stuhl entsteht im sogenannten GIT-Verfahren, einer speziellen Spritzgießtechnik (Gasinjektionstechnik) und ist mithilfe des Simulationsinstruments Ultrasim® entwickelt worden. Erstmals ließ sich bei einer Festigkeitssimulation die reale Form der Gasblasen der GIT berücksichtigen. The new Belleville chair from Vitra consists of two separate components – a frame structure and a seat shell made of Ultramid® B3EG6 SI, a polyamide from BASF with an exceptionally high surface quality (SI: surface improved). The new chair is produced using the GIT method, a special injection molding technology (gas-injection technology) and was developed using the Ultrasim® simulation instrument. For the first time, the real shape of the GIT gas bubbles was taken into account in a strength simulation.
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The Surface Polyamide Ultramid® SI – The Entire Beauty of Plastics

Aesthetics, stability and a lot of design possibilities for surfaces: there are many reasons why the furniture industry and in particular chair manufacturers are turning to plastic as their material of choice. It is now possible to combine the look and mechanics of visible components in a way that has never been seen before.

Ultramid® SI (SI=surface improved) is the surface polyamide that combines the mechanical benefits of polyamide with a sophisticated surface look:

  • High-quality surface look and feel
  • Stable because of polyamide as polymer
  • Tailor-made UV resistance
  • Flame-retardant grades available
  • Virtually unlimited choice of colors with masterbatches from BASF Color Solutions
  • Advice in BASF's designfabrik®
  • CAE part design with BASF's Ultrasim®

Ultramid® SI – Aesthetics and mechanics are no contradiction any longer

The Ultramid® SI family gives furniture and chair designers a lot of options when it comes to the development and production of high-quality design furniture. All four Ultramid® SI grades are also noted for having a special function, e.g. flame retardance.

BASF has many decades of experience working with plastics for design chairs and seating furniture. This work with prestigious designers and furniture manufacturers has found its way into the development of Ultramid SI. Examples of projects that have received high attention:

  • Design chai MYTO
  • Design chair Vegetal
  • Chair uni_verso

 

 

Ultramid® SI – The Surface Polyamide for a Lot of Applications

Ultramid® SI can be used as a material for almost all visible chair components:

  • fixing elements
  • castors & wheels
  • back frames
  • seat shells
  • mechanisms
  • chair bases

Ultramid® SI Application Range

The applications are as manifold as its product properties: Explore the various application possibilities of Ultramid® SI!

Panels
Wood is one of the most versatile and usable raw materials around. 
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Furnished Living Room
Decors
BASF provides a broad range of products and extensive specialized knowledge for the decor industry.                       
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Fittings
Whether you manufacture hinge systems for furniture, lift systems for kitchens or pull out systems for drawers, our engineering plastics will ensure you achieve the highest possible Quality.                          
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Tailor-made Solutions

Tailor-made for individual needs: We support our customers in developing application-oriented solutions.

Light Weight
Compared to convention chipboard, wood-based materials...
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