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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 690 x 690 x 1180 mm | |
|---|---|---|
| Five-star base diameter | 700 mm | |
| Seat width | 520 mm | |
| Seat depth | 520 mm | |
| Seat height adjustment range | 520 mm | |
| Backrest total height | 700 mm | |
| Fixed armrest height from floor | 750 mm | |
| Headrest dimensions | 320 x 180 mm | |
| Caster diameter | 60 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended maximum user weight | 181 kg | |
|---|---|---|
| Seat foam density | 45 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 50 mm | |
| Foam rebound rate | 60% | |
| Base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Gas lift cycle durability | 120000 cycles | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Product net weight | 18 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery | Woven black polyester fabric | |
|---|---|---|
| Backrest upholstery | Black polyester fabric over PP support panels | |
| Seat core | High-density polyurethane foam | |
| Internal seat frame | 2mm thick steel reinforcing plate | |
| Gas lift | Chrome-plated steel Class 3 gas lift | |
| Five-star base | Glass-filled nylon, 3mm wall thickness | |
| Armrests | Fixed PU-padded polypropylene armrests | |
| Casters | Black nylon dual-wheel casters | |
| Back frame | Curved black polypropylene structural frame | |
| Headrest | Fabric-covered foam pad on PP support bracket | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic 100mm stroke adjustment via side lever | |
|---|---|---|
| Tilt mechanism | Center-tilt with adjustable tension control | |
| Lumbar support | Contoured integrated lower back pad | |
| Headrest adjustment | 2D height and angle adjustment | |
| Split back support | Independent dual-panel upper back | |
| Rolling mobility | Five dual-wheel casters for smooth movement | |
| Tilt lock function | Single position lock for upright working posture | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Open office workstation use | Suitable for daily 8-hour seated task work at standard height desks | |
|---|---|---|
| Home office setup | Compact footprint fits residential workspaces for remote work use | |
| Manager private office use | Professional appearance suitable for executive and administrative private offices | |
| Conference room seating | Swivel and mobility features support meeting room interaction and multi-directional communication | |
| Height compatibility | Recommended for users 1900 mm tall | |
| Floor compatibility | Suitable for hard wood, tile, and low-pile carpet office floors | |
| Reception visitor seating | Professional aesthetic and supportive design for guest and reception area use | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| Office furniture safety requirements | EN 1335:2020 | |
|---|---|---|
| Office chair mechanical stability | EN 1335:2018 | |
| Office furniture surface flammability | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair safety and performance | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster performance standard | ANSI/BIFMA X2017Clause 11 | |
| Gas lift performance standard | ANSI/BIFMA X2017Clause 8 |
Standards applicable to China-market projects
| Office chair structural safety | GB/T 3326 | |
|---|---|---|
| Office chair mechanical durability | GB/T 22792.2 | |
| Formaldehyde emission limit | GB 18580 | |
| Upholstery fabric safety | GB 18401 |
This product must meet the following technical requirements: 1. Office chair structural safety: GB/T 3326; 2. Office chair mechanical durability: GB/T 22792.2; 3. Formaldehyde emission limit: GB 18580; 4. Upholstery fabric safety: GB 18401; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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