| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 680 x 1240 mm | |
|---|---|---|
| Backrest width | 500 mm | |
| 5-star base outer caster span | 700 mm | |
| Seat depth | 530 mm | |
| Adjustable seat height range | 540 mm | |
| Backrest height above seat | 730 mm | |
| Total adjustable chair height | 1240 mm | |
| Seat width | 520 mm | |
| Caster diameter | 55 mm | |
| Armrest height above seat | 200 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 chair weight | 20 kg | |
|---|---|---|
| Maximum user weight capacity | 181 kg | |
| Seat foam density | 35 kg/m³ | |
| Back foam density | 30 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Back foam thickness | 60 mm | |
| Gas lift cycle durability | 120000 cycles | |
| Upholstery abrasion resistance | 50000 double rubs | |
| 5-star base static load rating | 150 kg | |
| Product warranty period | 3 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick brown PU/faux leather | |
|---|---|---|
| Seat padding | High-density polyurethane foam | |
| Back padding | Contoured high-density polyurethane foam with lumbar curve | |
| Internal frame | 12mm thick bent plywood support structure | |
| Armrests | Integrated wrap-around padded upholstery matching seat/back | |
| 5-star base | Polished chrome-plated steel, 2mm wall thickness | |
| Gas lift cylinder | Chrome-plated steel, 50mm outer diameter | |
| Tilt mechanism | 2.5mm thick steel plate center-tilt assembly | |
| Casters | Black dual-wheel PU, floor-protective design | |
| Seam construction | 8 stitches per inch upholstery stitching | |
| 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 | 80mm stroke pneumatic gas lift, operated by side lever | |
|---|---|---|
| 360-degree swivel | Full rotation enabled by central gas lift and 5-star base | |
| Tilt adjustment | Center-tilt mechanism with tension control and infinite lock | |
| Mobility | Five dual-wheel casters suitable for carpet, tile, and wood flooring | |
| Integrated arm support | Fixed wrap-around padded armrests for forearm support during seated work | |
| Lumbar support | Contoured lower back curvature built into backrest padding | |
| Tilt tension control | Adjustable resistance knob to match user weight for recline | |
| 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 executive office | Professional brown leather aesthetic matches premium manager office decor | |
|---|---|---|
| Open-plan workstations | Slim 700mm base footprint fits standard desk cubicle layouts | |
| Conference meeting rooms | Swivel and mobility support easy repositioning around meeting tables | |
| Home office spaces | Mid-back profile suits residential workspaces without overwhelming room scale | |
| Reception/visitor areas | Polished chrome base presents a professional first impression for guests | |
| Standard 720-760mm height desks | 540 mm adjustable seat height aligns with standard office 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
| EN 1335-1:2020 | Applies to office chair dimensional and safety requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural performance and durability testing | |
| EN 1335-3:2009 | Applies to office chair test methods for stability and load verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance testing | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Applies to base durability and caster rolling life requirements |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional stability and structural strength testing | |
|---|---|---|
| GB/T 35607-2017 | Applies to green product evaluation criteria for office furniture | |
| GB 28007-2011 | Applies to strength, durability and stability requirements for office chairs |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional stability and structural strength testing; 2. GB/T 35607-2017: Applies to green product evaluation criteria for office furniture; 3. GB 28007-2011: Applies to strength, durability and stability requirements for office chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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