— HZ-CC-410

Ergonomic student chair
Plastic shell

The HZ-CC-410 is our highest-volume student chair. The curved polypropylene shell provides passive lumbar support at every size group — the shell profile is independently tooled per size, not simply scaled. A reinforced steel sled frame with floor-protecting glides supports up to 100 kg and stacks 8 units high for easy storage.

Seat width

360–420 mm (by size)

Seat depth

340–400 mm (by size)

Shell material

Polypropylene (PP)

Frame

Steel sled, Ø 25 mm

Stack height

Up to 8 units

EN 1729 sizes

1 – 6

EN 1729ErgonomicStackablePP shellISO 90016 sizes

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— Technical specifications

Ergonomic student chair · Plastic shell

PP (polypropylene)

Shell material

Ø 25mm oval steel

Frame tube

Chrome or powder coat

Frame finish

260–460mm (by size)

Seat height

100 kg

Load capacity

8 units

Stack qty

12 shell colours

Colour options

≈ 3.2 kg

Unit weight

— Engineering highlights

Built for institutional use.

— 01

Size-specific shell tooling

Unlike manufacturers who scale a single mould, we maintain independent PP tooling for each of the six size groups. The lumbar curve radius and seat pan angle are optimised per size — not interpolated — ensuring correct spinal support from age 4 to adult.

— 02

Stackable to 8 units

The sled geometry is designed with stacking in mind. Eight chairs occupy the same floor space as one seated chair, reducing storage requirements by 87%. Integrated stacking guides prevent scratching between units.

— 03

12 shell colours, all in stock

All 12 standard colours are held in production stock. Mixed-colour orders are accepted with no surcharge per colour. Popular combinations: forest green + cream, red + grey, royal blue + white.

— 04

Floor-protecting glides

All four sled contact points carry replaceable polypropylene glides. Glides are press-fit, field-replaceable without tools, and are sold as a spare part for easy maintenance by school facilities teams.

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Joyce@hongzhou998.com

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+86 158-2020-2234

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