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Postura Max® Chair

Trusted by thousands of schools across Australia, the Postura Max® Chair sets the standard for ergonomic classroom seating. Designed to support healthy posture, withstand heavy daily use, and bring vibrant energy into learning spaces, it’s the chair of choice for flexible, modern classrooms.

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Postura Max® Chair – Stackable, Durable, Ergonomic Design

Every Postura Max® Chair is designed and manufactured to meet the highest Australian quality and safety standards. Its single-piece, injection-moulded frame eliminates weak points and makes it incredibly tough, even in the busiest educational environments. Plus, with easy-wipe surfaces and a lightweight design, cleaning and reconfiguring spaces is faster and simpler than ever.

Related links
RePlay Program - Reducing Plastic Waste
Learn more about the Recycled Postura Max
Read a case study
View the Postura® Seating Range
Technical details

Warranty: 20 years

• Proudly Australian made.

• Recycled-options contain at least 50% recycled plastics, and up to ~92% (% varies by colour).

• Superior pressure support curves, IPR (Ischial- Pressure Release system).

• Extra large lumbar air ventilation in the backrest.

• New flexing air bridge supporting the chair.

• Anti-rocking system, designed to resist rocking backwards.

• The single injection moulded polypropylene design is made for durability.

• Anti-static polypropylene stays cleaner for longer and is easier to clean.

• NATA certified for strength, durability, and stability, the Postura Max® Chair meets stringent quality standards, making it a trusted choice for schools across the globe.

• Complies with the certification requirements of AS/NZS 4688 level 5.

• Intellectual Property Notice 
Sebel is an authorised user of registered and/or pending Design, Patent and/or Trademark rights relating to this product. Click here to learn more. 

Postura Max Data Sheet
385 KB .pdf file
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Postura Max Size Guide
523 KB .pdf file
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Recycled Postura Max Data Sheet
360 KB .pdf file
Download

For help with chair and table sizing, view our Postura Size Guide here or contact our friendly team. 
 

 
Seat Height Leg Space Student Stature
Size 2    310mm 190mm 1080-1210mm
Size 3    350mm 210mm 1190-1420mm
Size 4    380mm 230mm 1330-1590mm
Size 5    430mm 270mm 1460-1765mm
Size 6    460mm 280mm 1590-1880mm










 

• Stacks up to a recommended 12 chairs on the floor (size 6 equals 1870mm high).

• Stacked chairs can easily be moved using the Postura® Trolley.

Recycled Plastics FAQs

Our recycled plastic may feature natural variations in colour, surface texture, gloss and minor flow or weld lines. These characteristics are a normal part of the recycling and moulding process and do not affect the strength, durability or performance of the product. Each piece is uniquely shaped by its material journey, giving every item its own one-of-a-kind finish.

Yes. Many items in our range are available in recycled plastic options, or contain recycled elements. Due to the nature of recycled plastic, slight surface variations may occur - these do not affect strength or performance.
Because recycled plastic carries its own history, and unique process to turn the 'old' into something new - small variations in colour, surface texture and gloss are completely normal. 

Recycled materials can include a blend of plastic sources, each with slightly different characteristics. When moulded, these can create subtle visual differences. This is part of the sustainable nature of recycled plastic and is expected across the industry.

These subtle differences don’t impact quality or performance - they simply make every piece uniquely yours.

Recycled plastic may present:

  • Slight colour variation

  • Differences in surface texture

  • Areas of glossier or duller finish

  • Flow/weld lines

  • Minor sink marks where material thickness changes

These are normal characteristics of the material and manufacturing process.

Minor flow lines, weld lines, smudges or faint surface variations occur naturally during the moulding process.
They generally occur when molten material flows unevenly and / or some areas of the moulding cool faster than others. 

Don't worry though - these are not faults or cracks and do not weaken the product in any way!
  • Flow and weld lines or marks, are common in injecton moulding. They may appear as wavy line, streaks, or seams, on the surface of the moulding.
  • Sink marks are one of the most common injection moulding imperfections that usually occur as depressions in the thicker sections of the plastic part. Generally, these depressions are very small and do not affect the function, performance & durability of the plastic part/ product.

 
No. All Sebel products - whether made from virgin or recycled plastic - are engineered and tested to the same strength, durability and safety standards. Visual variations do not compromise performance.
Surface variations described above are normal characteristics of recycled plastic and are not considered defects. However, if you believe there is structural damage or a performance issue, please contact our team and we’ll be happy to assess it.

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