| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 650 x 1100 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 510 mm | |
| Maximum seat height | 530 mm | |
| Minimum seat height | 420 mm | |
| Backrest height | 580 mm | |
| Backrest width | 515 mm | |
| Five-star base span | 700 mm | |
| Armrest height above seat | 220 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
| Net weight | 18 kg | |
|---|---|---|
| Recommended user weight capacity | 150 kg | |
| Seat foam thickness | 80 mm | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 cycles | |
| Gas lift static load rating | 150 kg | |
| Caster rolling durability | 100000 cycles | |
| Warranty period | 10 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable light gray woven fabric over molded padding | |
|---|---|---|
| Seat upholstery | Light gray woven fabric over high-density foam pad | |
| Structural frame | White impact-resistant polypropylene/nylon composite | |
| Armrests | Fixed white PP supports with padded gray top surfaces | |
| Height adjustment column | Chrome-plated steel Class 4 gas lift with black plastic collar | |
| Five-star base | White molded nylon reinforced with glass fiber | |
| Casters | Dual-wheel design with black PU tread and silver hub | |
| Tilt mechanism | 2.5mm thick stamped steel plate with black powder coat | |
| Seam stitch pitch | 3 mm | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation around central gas lift axis for multi-directional access | |
|---|---|---|
| Pneumatic seat height adjustment | 110 mm vertical stroke controlled by side lever under seat | |
| Tilt recline function | 135-degree backward recline with adjustable tension control | |
| Tilt lock | Single-position upright lock for focused desk work | |
| Split dual-panel back support | Independent upper back pads reduce spinal pressure during seated work | |
| Integrated lumbar support | Curved lower back pad provides natural lumbar lordosis support | |
| Smooth rolling mobility | Soft PU casters suitable for hard floors and low-pile carpet | |
| Fixed armrest support | Stationary armrests provide stable forearm support during typing | |
| 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
| Packaging note | Knock-down packing with included hex tool and hardware | |
|---|---|---|
| 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 workstations | Contemporary neutral color and ergonomic support for 8-hour desk shifts | |
|---|---|---|
| Home office setups | Compact footprint and minimalist style suits residential workspaces | |
| Meeting and conference rooms | Swivel and mobility support collaborative discussion use | |
| Study and co-working spaces | Adjustable height and lumbar support fit diverse user body types | |
| Reception and administrative areas | Clean aesthetic presents a professional front-facing appearance | |
| 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
| EN 1335-1:2020 | Applies to office work chair dimensional safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office work chair structural strength and stability requirements | |
| EN 1335-3:2009 | Applies to office work chair test method specifications |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair performance and safety requirements | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to large occupant office chair load requirements if configured for heavy use | |
| Five-star base static load | 1136 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional measurement standards for office desks and chairs | |
|---|---|---|
| GB/T 35607-2017 | Applies to green product evaluation requirements for office furniture | |
| GB 28007-2011 | Applies to general safety technical requirements for children's furniture (if used in youth settings) |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional measurement standards for office desks and chairs; 2. GB/T 35607-2017: Applies to green product evaluation requirements for office furniture; 3. GB 28007-2011: Applies to general safety technical requirements for children's furniture (if used in youth settings); Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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