Tnk 500

seductive character

Tnk 500

timeless design


TNK 500 is much more than a formal design. A sum of functional details, techniques and technology. A timeless and elegant design. With a rich visual quality and shapes suggesting fluency, development and humanity. 

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timeless design, elegant

Lumbar adjustment

Comfort and durability

Aluminium infusion and viscoelastic foams. Strong nylon. Polymer strengthened by glass fibres. Soft materials on the points that have direct contact with the user, ensuring great comfort.

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Lumbar adjustment, Comfort and durability



Without a doubt, an office chair capable of seducing. High Quality Materials and great added value. Sustainable and respectful towards the environment. 

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MEETING, directional



TNK 500 is a program of operational chairs awarded with the Red Dot Award Product Design 2012, one of the most prestigious International product awards in the field of design. 

DESIGN, awarded


Its construction allows its development in the range, to provide any personalized need.

Tnk 500

Seductive Character

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Tnk 500

Product Configurator

Tnk 500


signature design

Marcelo Alegre, with Alegre Design, develops and designs technological and everlasting products. His main aim is to reinvent daily articles.


Respect for the environment in our industrial production is in Actiu's DNA. We care for our setting by creating sustainable, environmentally-friendly products.

Certificado FSC
Certificado AENOR ISO 14006:2011
Certificado AENOR UNE-EN ISO 9001:2008
Certificado AENOR UNE-EN ISO 14001:2004
Certificado CC
60 recycled materials
82 recyclable materials


All the documentation available on the TNK 500 operative chair: Product catalogue, image gallery, product certificates, technical specifications, Autocad library, Revit library.

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