| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 610 x 1190 mm | |
|---|---|---|
| Seat height adjustment range upper value | 720 mm | |
| Seat depth | 515 mm | |
| Backrest height | 570 mm | |
| Headrest width | 315 mm | |
| Headrest height adjustment travel upper value | 190 mm | |
| Fixed armrest height above seat | 180 mm | |
| Five-star base leg spread | 680 mm | |
| Seat usable width upper value | 440 mm | |
| Minimum knee clearance under seat | 535 mm | |
| Headrest side view width | 460 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
| Maximum recommended user weight | 150 kg | |
|---|---|---|
| Five-star base static load capacity | 1000 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Backrest mesh abrasion resistance | 50000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Gas lift cycle durability | 100000 cycles | |
| Net product weight | 19 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest construction | Elastic polyester breathable mesh over grey PP+fiberglass frame | |
|---|---|---|
| Seat cushion padding | High-density molded polyurethane foam with woven fabric upholstery | |
| Armrest construction | Fixed loop-style polypropylene armrests integrated with back frame | |
| Headrest construction | Breathable mesh cushion on rigid PP support bracket | |
| Lumbar support | Contoured molded PP lumbar support integrated into back frame | |
| Five-star base | Injection-molded nylon five-prong caster base | |
| Gas lift cylinder | Black powder-coated Class 3 steel gas lift with 85mm outer diameter | |
| Casters | 60mm diameter black nylon dual-wheel swivel casters | |
| Seat mechanism | 2mm thick steel butterfly tilt and lock chassis | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 360° swivel height adjustment via right-side lever, 285mm total travel | |
|---|---|---|
| Headrest adjustment | Vertical height adjustment up to 190mm with fixed angle positioning | |
| Backrest recline | 90° to 120° tilt range with single-position lock via chassis lever | |
| Base swivel function | 360° full rotation around central gas lift axis | |
| Mobility function | Smooth dual-wheel casters for rolling on hard and carpeted floors | |
| Lumbar support function | Fixed contour mid-back lumbar support aligned to seated spine curve | |
| Tilt tension control | Rotary tension knob under seat to adjust recline resistance | |
| 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
| Corporate open office workstations | Suitable for 8-hour daily seated work for staff at standard 760 mm desks | |
|---|---|---|
| Home office workspaces | Fits compact home work areas with 680mm narrow base footprint for small rooms | |
| Conference and meeting rooms | Swivel and mobility design supports easy movement during collaborative discussion | |
| General office administrative use | Fixed armrests and ergonomic lumbar support suit general seated administrative tasks | |
| Height-compatible user range | Fits users 185 cm tall with adjustable seat and headrest travel | |
| 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 chair safety standard | EN 1335:2020 | |
|---|---|---|
| Office chair stability | EN 1728:2012 | |
| Upholstery abrasion resistance | EN 14465:2007 |
US and Canada office-furniture standards
| General office chair standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster performance standard | ANSI/BIFMA X5.1 Caster Test | |
| Gas lift safety standard | ANSI/BIFMA X5.1 Gas Lift Test |
Standards applicable to China-market projects
| General office chair safety | GB/T 3326 | |
|---|---|---|
| Formaldehyde emission limit | GB 18584 | |
| Upholstered furniture durability | GB/T 26393 |
This product must meet the following technical requirements: 1. General office chair safety: GB/T 3326; 2. Formaldehyde emission limit: GB 18584; 3. Upholstered furniture durability: GB/T 26393; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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