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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 670 x 650 x 1260 mm | |
|---|---|---|
| Seat height adjustment range | 530 mm from floor to seat top | |
| Seat cushion usable width | 500 mm between armrests | |
| Seat cushion usable depth | 510 mm from front waterfall edge to seat/back junction | |
| Backrest height above seat | 750 mm from seat surface to top of headrest area | |
| Five-star base diameter | 700 mm across opposite caster centers | |
| Caster diameter | 60 mm | |
| Armrest height above seat | 230 mm | |
| Armrest pad width | 90 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 static user weight capacity | 125 kg | |
|---|---|---|
| Net product weight | 22 kg | |
| Seat foam density | 45 kg/m³ molded high-density polyurethane foam | |
| Back foam density | 35 kg/m³ molded polyurethane foam | |
| Upholstery abrasion resistance | 50000 double rubs (Wyzenbeek) | |
| Seat foam rebound rate | 45% | |
| Caster rolling durability | 100000 cycles | |
| Base static load rating | 1136 kg | |
| Seam stitch pitch | 8 stitches per inch | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.0mm thick black PU synthetic leather (bonded leather upgrade option) | |
|---|---|---|
| Seat cushion core | 45kg/m³ molded high-density polyurethane foam, 80mm thick at center | |
| Back cushion core | 35kg/m³ molded polyurethane foam, 60mm thick at lumbar zone | |
| Side shell trim | 8mm thick bent plywood with walnut wood veneer finish, wrapping seat side edges | |
| Five-star base | 2.5mm thick polished die-cast aluminum alloy, chrome finished | |
| Gas lift cylinder | Class 3 (Class 4 upgrade option) steel pneumatic cylinder, 50mm outer diameter, 70mm stroke | |
| Tilt mechanism plate | 3mm thick stamped steel wire-control tilt plate, with tension adjustment knob | |
| Armrests | Integrated padded armrests with 20mm thick foam padding wrapped in matching black upholstery, attached to bent wood seat shell | |
| Casters | 60mm diameter dual-wheel PU casters with nylon yoke, 5 units total | |
| Internal support frame | 1.5mm thick welded steel tube frame embedded within seat/back assembly, bonded to bent plywood shell | |
| 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
| 360-degree swivel rotation | Full rotation around central gas lift axis, no lock in swivel mode | |
|---|---|---|
| Pneumatic seat height adjustment | 70mm vertical travel via side lever under right seat, locking at any position within travel range | |
| Recline tilt function | 12-degree maximum backward tilt of seat and back assembly, with adjustable tension knob and single upright lock position | |
| Rolling mobility | Smooth rolling on hard floors and low-pile carpet via 5 dual-wheel PU casters, no brake mechanism as standard | |
| Fixed ergonomic arm support | Contoured padded armrests positioned at 230mm above seat surface to align with standard desk height for forearm support during typing | |
| Lumbar support | Contoured segmented back cushion provides built-in lumbar support at 200mm above seat surface, no mechanical adjustment | |
| Waterfall seat edge | Curved front seat edge reduces pressure on back of thighs during extended seated use | |
| 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 configuration | 1 unit per export corrugated carton, with foam edge protection and plastic bag wrapping | |
|---|---|---|
| Reference carton dimensions | 840 x 670 x 570 mm | |
| Reference gross weight per carton | 25 kg | |
| Reference CBM per unit | 0.32 CBM | |
| assembly time per unit | 30 minutes | |
| 20ft GP container loading quantity | 85 units | |
| 40ft HQ container loading quantity | 210 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Packaged Gross Weight | 23 kg/set |
Recommended spaces / users / usage modes
| Private executive office space | Suitable for 8-hour daily use by managers and executive staff at standard 760 mm height office desks, with high-back support for extended work sessions | |
|---|---|---|
| Formal meeting and conference rooms | Appropriate for boardroom and executive meeting spaces, with swivel and tilt function to support comfortable long meetings | |
| Home office premium workspaces | Suitable for residential home offices desiring a professional, upscale aesthetic with durable commercial-grade construction | |
| Reception and visitor management areas | Can be used for reception desk seating for staff and waiting visitors in upscale corporate lobbies | |
| Height-adjustable desk compatible | Works with both fixed-height and sit-stand height-adjustable desks due to 70mm gas lift height adjustment range | |
| 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 | Applicable European standard for office chair dimensions, defining ergonomic dimensional requirements for task seating | |
|---|---|---|
| EN 1335-2:2018 | Applicable European standard for office chair safety requirements, covering structural strength, stability and component durability | |
| EN 1335-3:2009 | Applicable European standard for office chair test methods, specifying test procedures to verify safety and durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable North American standard for general-purpose office chairs, defining load, durability and stability test requirements for commercial office seating |
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Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for furniture size measurement and dimension tolerances for office seating, to be used for incoming inspection of physical dimensions | |
|---|---|---|
| GB/T 22800-2009 | Applicable quality standard for leather and artificial leather office chairs, covering upholstery material performance and structural durability requirements | |
| GB 28007-2011 | Applicable national safety standard for office chairs with gas lift mechanisms, covering stability, strength and component safety requirements |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for furniture size measurement and dimension tolerances for office seating, to be used for incoming inspection of physical dimensions; 2. GB/T 22800-2009: Applicable quality standard for leather and artificial leather office chairs, covering upholstery material performance and structural durability requirements; 3. GB 28007-2011: Applicable national safety standard for office chairs with gas lift mechanisms, covering stability, strength and component safety requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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