| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 680 x 1215 mm | |
|---|---|---|
| Seat width | 505 mm | |
| Seat depth | 465 mm | |
| Seat height range (floor to seat) | 525 mm | |
| Backrest height (seat to top of back) | 570 mm | |
| Armrest height above seat | 200 mm | |
| Headrest height adjustment range | 60 mm | |
| Five-star base wheel span | 680 mm | |
| Headrest width | 315 mm | |
| Backrest width | 430 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 user weight capacity | 181 kg | |
|---|---|---|
| Net chair weight | 20 kg | |
| Static base load rating | 1136 kg | |
| Gas lift cycle durability | 120000 cycles | |
| Seat foam density | 55 kg/m³ | |
| Mesh upholstery abrasion rating | 50000 Martindale double rubs | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | High-tensile breathable polyester mesh | |
|---|---|---|
| Seat cushion core | High-resilience cold-cure polyurethane foam | |
| Seat surface upholstery | Breathable woven mesh fabric | |
| Chair internal frame | Reinforced 3mm thick steel inner frame | |
| Five-star base | Glass-filled nylon with 2.5mm wall thickness | |
| Gas lift cylinder | Steel SGS Class 4 pneumatic cylinder | |
| Tilt mechanism chassis | 2.5mm thick stamped steel plate | |
| Armrests | Reinforced PA plastic padded arm pads | |
| Casters | 60mm diameter dual-wheel PU silent casters | |
| Headrest | Curved mesh-padded PA frame | |
| 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 gas lift adjusts 85mm to match varied desk heights | |
|---|---|---|
| Headrest adjustment | 60mm vertical lift to support neck posture for tall users | |
| Armrest adjustment | 70mm vertical height adjustment to align with desk surfaces | |
| Backrest recline | 135-degree tilt with tension control for relaxed working postures | |
| Swivel function | 360-degree full rotation for multi-directional desk access | |
| Mobility | Smooth rolling on all floor types via dual-wheel PU casters | |
| Lumbar support | Integrated contoured lumbar zone aligned to natural lower back curve | |
| Waterfall seat edge | Contoured front seat edge reduces leg pressure for extended sitting | |
| Maximum back recline angle | 135 degrees | |
| 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
| Private office workstation use | Ideal for 8 hour daily seated desk work for administrative staff | |
|---|---|---|
| Home office computer desk setup | Suitable for remote workers requiring lumbar and neck support | |
| Open-plan task workstations | Durable construction for shared team desks in co-working spaces | |
| Conference room meeting seating | Swivel and tilt function supports flexible meeting postures | |
| Height-adjustable desk pairing | 85mm seat height adjustment matches sit-stand desk ergonomics | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| Office furniture office chair safety | EN 1335:2020 | |
|---|---|---|
| Office chair strength/durability | EN 1335:2018 | |
| Office chair stability | EN 1335:2009 |
US and Canada office-furniture standards
| Office chair general purpose standard | ANSI/BIFMA X2017 |
|---|
Standards applicable to China-market projects
| Office chair stability standard | GB/T 10357.2 | |
|---|---|---|
| Office chair strength/durability | GB/T 10357.3 | |
| Upholstered furniture safety | GB 20400 |
This product must meet the following technical requirements: 1. Office chair stability standard: GB/T 10357.2; 2. Office chair strength/durability: GB/T 10357.3; 3. Upholstered furniture safety: GB 20400; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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