| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 570 x 505 x 910 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 505 mm | |
| Seat height from floor | 500 mm | |
| Backrest width | 450 mm | |
| Backrest height | 480 mm | |
| Armrest outer span | 570 mm | |
| 5-star base diameter | 686 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 50 mm | |
| Backrest padding thickness | 40 mm | |
| Armrest height above seat | 200 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended user weight capacity | 125 kg | |
|---|---|---|
| Net product weight | 19 kg | |
| Gas lift height adjustment stroke | 100 mm | |
| Tilt recline angle | 15 degrees | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Caster rolling durability cycles | 60000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | 1.0 mm thick black PU faux leather | |
|---|---|---|
| Seat and backrest fill | High-density polyurethane foam | |
| Inner support frame | 1.5 mm thick welded steel tubing | |
| Armrests | Polished chrome-plated solid steel cantilever arms | |
| Central gas lift | Class 3 chrome-plated steel pneumatic cylinder | |
| Tilt mechanism | 2.5 mm thick steel plate with spring tilt assembly | |
| 5-star base | Polished chrome-plated die-cast aluminum | |
| Casters | Black nylon dual-wheel hard-floor casters | |
| Surface finish on metal parts | Mirror chrome plating with anti-corrosion treatment | |
| Seam stitching | 9 stitches per inch matching thread | |
| 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
| Pneumatic height adjustment | 100 mm vertical seat height adjustment via right-side under-seat lever | |
|---|---|---|
| 360-degree swivel rotation | Full 360-degree rotation around central gas lift column | |
| Spring tilt function | 15-degree backward tilt with adjustable tension control | |
| Upright tilt lock | Lockable upright position for stable task work | |
| Smooth rolling mobility | Dual-wheel casters for low-noise movement on hard flooring | |
| Fixed arm support | Rigid cantilever armrests for consistent elbow support during seated work | |
| Ergonomic split back support | Two-section padded backrest for mid-back lumbar alignment | |
| 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
| Open office workstation use | Suitable for daily 8-hour seated task work at standard height desks | |
|---|---|---|
| Conference/meeting room use | Minimalist chrome and black aesthetic fits formal meeting space layouts | |
| Home office setup | Compact footprint fits residential workspaces without excessive bulk | |
| Executive guest seating | Polished finish suitable for front-of-house guest or visitor seating | |
| Hard floor compatibility | Nylon casters safe for tile, wood and laminate office flooring | |
| Commercial grade project use | Durable construction supports high-turnover commercial office installations | |
| 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 safety strength requirement | EN 1335:2018 | |
|---|---|---|
| Office chair stability requirement | EN 1022:2018 |
US and Canada office-furniture standards
| Office chair general purpose performance | ANSI/BIFMA X2017 |
|---|
Standards applicable to China-market projects
| Office chair safety structural requirement | GB/T 3326 | |
|---|---|---|
| Office chair mechanical performance requirement | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Office chair safety structural requirement: GB/T 3326; 2. Office chair mechanical performance requirement: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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