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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 630 x 680 x 1080 mm | |
|---|---|---|
| Seat height adjustment range | 520 mm | |
| Seat cushion usable width | 480 mm | |
| Seat cushion usable depth | 460 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest height above seat | 620 mm | |
| Fixed armrest height above seat | 220 mm | |
| Five-star base radius from center to caster | 320 mm | |
| Backrest thickness | 60 mm | |
| Knee clearance under seat front edge | 180 mm | |
| Caster diameter | 50 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
| Suggested user weight capacity | 150 kg | |
|---|---|---|
| Product net weight | 18 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Seat foam rebound rate | 40% | |
| Caster rolling durability | 40000 cycles | |
| Gas lift cycle rating | 100000 cycles | |
| Chrome base static load rating | 1136 kg | |
| Maximum recommended user weight capacity | 150 kg | |
| Seat cushion foam density | 45 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Black polyurethane faux leather, 1.0 mm thickness | |
|---|---|---|
| Seat and back core structure | Walnut-toned bent plywood shell, 12 mm thickness | |
| Armrest padding | Black polyurethane faux leather over high-density foam, matching seat upholstery | |
| Edge trim on seat/back | Matching light wood veneer edge banding, 15 mm width | |
| Gas lift cylinder | Chrome-plated steel Class 3 gas lift, 50 mm outer diameter, 100 mm stroke | |
| Five-star base | Polished chrome-plated steel, 1.8 mm tube wall thickness | |
| Casters | Black polyurethane rolling wheels with chrome-plated steel mounting stems, twin-wheel design | |
| Adjustment lever | Black nylon tilt/height adjustment lever mounted under right side of seat | |
| Seat cushion foam | High-resilience molded polyurethane foam, 80 mm thick, fire retardant treated to commercial office standard | |
| Backrest foam | Molded polyurethane foam, 60 mm thick, contoured for lumbar support | |
| Seat and back core shell | Walnut-toned bent laminated plywood, 12 mm panel thickness, clear matte wood finish | |
| Seat cushion padding | Molded high-resilience polyurethane foam, 80 mm thickness, fire-retardant treated for commercial use |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, 100 mm total stroke, locks at any position within 520 mm seat height range | |
|---|---|---|
| Synchronous tilt function | Backrest tilts in coordination with seat pan at 2:1 ratio, 12 degree maximum backward tilt angle, tension adjustable for user weight | |
| Rolling mobility | Smooth rolling on hard flooring via 5 twin-wheel casters, 360 degree caster rotation for multidirectional movement | |
| Fixed integrated armrests | Padded armrests mounted directly to seat shell, provides stable forearm support at fixed 220 mm height above seat, no height or width adjustment | |
| Contoured lumbar support | Curved backrest shape provides built-in mid-lumbar support at 200 mm above seat surface, no adjustable lumbar pad | |
| 360-degree swivel | Full 360-degree horizontal rotation around the central gas lift axis, no rotation stop, allowing easy access to surrounding workspace without moving the base | |
| Fixed integrated armrest support | Padded armrests rigidly mounted to the bent wood seat shell, provides stable forearm support at fixed 220 mm height above seat, no height, width or pivot adjustment | |
| Built-in lumbar support | Pre-contoured backrest shape provides passive mid-lumbar support positioned 200 mm above seat surface, no separate adjustable lumbar pad | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Shipping carton dimensions | 680 x 570 x 550 mm | |
| Gross shipping weight | 22 kg | |
| Shipping volume per unit | 0.213 CBM | |
| Assembly time per unit | 25 minutes | |
| 20ft container loading quantity | 132 units | |
| 40ft HQ container loading quantity | 328 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Private office workstations | Suitable for executive and management private offices, matches wood-tone desk finishes for a cohesive professional appearance | |
|---|---|---|
| Conference room seating | Suitable for boardroom and meeting room use, swivel and tilt function allows comfortable movement during long meetings | |
| Co-working open plan spaces | Fits modern co-working and open office environments, neutral black and walnut finish coordinates with a range of desk styles | |
| Residential home offices | Suitable for upscale residential home office workspaces, compact 630mm width footprint fits standard home desk sizes without excess floor space use; polished chrome base complements contemporary interior decor | |
| Client reception seating | Appropriate for reception and visitor seating areas, professional appearance creates a polished first impression for visiting clients | |
| Executive private offices | Suitable for management and executive private offices, walnut wood and black leather finish matches wood executive desks for a cohesive professional appearance; rated for 8 hours of daily seated work | |
| Modern open plan offices | Fits contemporary co-working and open office environments, neutral black and walnut finish coordinates with a range of desk styles; durable construction supports frequent multi-user use in shared spaces | |
| Client reception areas | Appropriate for formal client reception and visitor seating zones, tailored professional wood and leather appearance creates a polished first impression; fixed armrests support easy entry and exit from the chair for visitors |
EU Market Access Requirements* EN Standards
| EN 1335-1:2000 | Applicable European standard for office chair dimensional, safety and strength requirements, recommended for projects targeting EU markets | |
|---|---|---|
| EN 1335-2:2009 | Applicable European standard for office chair mechanical safety performance, covering structural stability and durability testing | |
| EN 1021-1:2014 | Applicable standard for upholstered furniture ignition resistance from smouldering cigarettes, recommended for commercial upholstery compliance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable North American standard for general-purpose office chairs, covering strength, durability and stability requirements for commercial use, recommended for acceptance testing of chair structure, base, gas lift and casters |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office chair dimensional stability and strength testing, recommended for procurement quality acceptance | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable standard for furniture mechanical performance testing of chairs and stools, covering static load, fatigue and impact testing requirements | |
| GB 18584-2001 | Applicable standard for limit of harmful substances in wooden furniture, covering formaldehyde emission requirements for the bent plywood shell |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office chair dimensional stability and strength testing, recommended for procurement quality acceptance; 2. GB/T 10357.3-2013: Applicable standard for furniture mechanical performance testing of chairs and stools, covering static load, fatigue and impact testing requirements; 3. GB 18584-2001: Applicable standard for limit of harmful substances in wooden furniture, covering formaldehyde emission requirements for the bent plywood shell; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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