| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 670 x 1050 mm | |
|---|---|---|
| Seat height | 425 mm | |
| Seat depth | 480 mm | |
| Backrest width | 505 mm | |
| Headrest width | 425 mm | |
| Headrest vertical adjustment travel | 250 mm | |
| Armrest height from floor | 610 mm | |
| 5-star base diameter | 660 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 80 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 | 150 kg | |
|---|---|---|
| Net chair weight | 20 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Back mesh abrasion resistance | 50000 cycles | |
| 5-star base static load rating | 1600 kg | |
| Caster rolling durability | 100000 cycles | |
| Recommended daily usage duration | 8 hours | |
| Recommended maximum daily usage duration | 8 hours | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable polyester mesh | |
|---|---|---|
| Seat cushion padding | High-density molded polyurethane foam | |
| Seat base support | 12 mm bent plywood inner panel | |
| Back frame | Reinforced PP+fiberglass Y-frame | |
| Armrest structure | Steel support post with PU padded top | |
| Gas lift cylinder | Class 4 steel pneumatic cylinder | |
| 5-star base | Reinforced nylon construction | |
| Casters | PA+PU dual-wheel swivel casters | |
| Headrest padding | Breathable mesh with curved PP support | |
| Seat inner support panel | 12 mm thick bent plywood core | |
| Back support frame | Reinforced PP+fiberglass Y-shaped frame | |
| Armrest assembly | 1.5 mm steel support post with PU padded top |
Adjustment / rotation / tilt / mobility / storage features
| Headrest adjustment | 250 mm vertical height adjustment for neck support | |
|---|---|---|
| Seat height adjustment | 100 mm pneumatic lift via under-seat lever | |
| Swivel function | 360-degree full rotation around central axis | |
| Backrest tilt function | 135-degree recline with multi-position lock | |
| Tilt tension adjustment | Knob-controlled tension for user weight calibration | |
| Armrest adjustment | 80 mm vertical height adjustment for arm support | |
| Mobility function | Dual-wheel casters for smooth rolling on hard and carpet floors | |
| Lumbar support | Contoured Y-frame static lumbar support integrated into backrest | |
| 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 workspace | Suitable for executive desks requiring 8-hour daily ergonomic support | |
|---|---|---|
| Open plan office cubicles | Standard footprint fits 700 mm deep workstations without overhang | |
| Home office study | Adjustable features accommodate multiple users in residential workspaces | |
| Conference room seating | Swivel and tilt function supports collaborative meeting use | |
| 24-hour call center environments | Breathable mesh and durable construction supports shift work use | |
| Co-working shared spaces | Neutral black finish matches diverse office decor schemes | |
| Private executive office | Suitable for executive desks requiring 8-hour daily ergonomic postural support | |
| Conference meeting rooms | 360-degree swivel and tilt support natural movement during collaborative discussions |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to office work chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair strength, durability and stability testing | |
| EN 1022:2018 | Applies to domestic and contract seating stability test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance testing |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture size measurement and dimensional tolerances | |
|---|---|---|
| GB/T 35607-2017 | Applies to green product evaluation for office furniture VOC limits | |
| GB 28007-2011 | Applies to structural safety requirements for office chairs |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture size measurement and dimensional tolerances; 2. GB/T 35607-2017: Applies to green product evaluation for office furniture VOC limits; 3. GB 28007-2011: Applies to structural safety requirements for office chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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