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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 686 x 737 x 1321 mm | |
|---|---|---|
| Seat width | 508 mm | |
| Seat depth | 508 mm | |
| Seat height range (floor to seat top) | 559 mm | |
| Backrest height | 838 mm | |
| Backrest width | 483 mm | |
| Five-star base diameter | 686 mm | |
| Caster diameter | 65 mm | |
| Seat padding thickness | 80 mm | |
| Backrest padding thickness | 60 mm | |
| Bentwood trim thickness | 12 mm | |
| Gas lift cylinder diameter | 50 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 | 136 kg | |
|---|---|---|
| Net weight range | 18.6 kg | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Caster rolling durability | 40000 cycles | |
| Base static load rating | 1134 kg | |
| Gas lift cycle rating | 100000 adjustment cycles | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.0mm thick black polyurethane (PU) faux leather, wipe-clean smooth finish | |
|---|---|---|
| Seat padding | High-density cold-cured polyurethane foam, CFC-free, with firm edge support | |
| Backrest padding | Contoured high-density polyurethane foam, ergonomic lumbar contour | |
| Side accent trim | Curved bent plywood with walnut wood veneer finish, polished clear lacquer topcoat | |
| Internal support frame | 18mm thick double-curved plywood seat and back shell, structurally bonded to bentwood trim | |
| Five-star base | Polished die-cast aluminum alloy, 2.5mm wall thickness, polished chrome mirror finish | |
| Pneumatic gas lift | Chrome-plated steel Class 3 gas lift cylinder, SGS-certified reference specification | |
| Height and tilt control levers | Reinforced nylon levers with matte black finish, steel actuation cables | |
| Casters | Dual-wheel black polyurethane casters with steel swivel bearings, non-marking tread | |
| Tilt mechanism | 3mm thick steel plate central tilt mechanism, tension adjustment knob | |
| 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 enabled by central swivel joint between gas lift and seat mechanism, allowing free movement in all directions without lock | |
|---|---|---|
| Pneumatic seat height adjustment | 76mm vertical adjustment travel controlled by side lever, locking at any position within the 559 mm seat height range | |
| Synchro-tilt recline function | 12-degree backward tilt of seat and back together, with adjustable tension knob to match user weight, upright position lock | |
| Smooth caster mobility | Dual-wheel casters rotate 360 degrees, rolling freely on hard wood, tile and low-pile carpet without scratching floor surfaces | |
| Armless design clearance | No protruding armrests, allowing the chair to slide fully under standard 730mm height desks without obstruction, suitable for compact workspaces | |
| Contoured back support | Built-in curved lumbar region in the backrest foam provides natural lower back support without separate adjustable lumbar pad | |
| Waterfall seat edge | Curved front seat edge reduces pressure on the back of user thighs, improving blood circulation during long working sessions | |
| 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-grade corrugated carton, knockdown assembly, components packed in protective PE foam and corner braces | |
|---|---|---|
| Carton dimensions | 930 x 660 x 460 mm | |
| Gross weight per carton | 28 kg | |
| CBM per unit | 0.283 m³ | |
| Required assembly time | 20 minutes | |
| 20ft GP container loading quantity | 108 units | |
| 40ft HQ container loading quantity | 264 units | |
| Included hardware | 1 set of assembly bolts, 1 Allen key, 1 multi-language assembly instruction | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Private executive office spaces | High-back design and polished aluminum/walnut trim provide a professional, premium aesthetic suitable for manager and executive workspaces | |
|---|---|---|
| Home office workspaces | Armless compact footprint allows tucking under standard home desks, while padded support provides comfort for full workdays | |
| Modern conference and meeting rooms | Sleek minimalist design complements contemporary conference room furniture, and swivel/caster function allows easy movement during meetings | |
| Open-plan workstations | Armless design eliminates armrest interference between adjacent workstations, and rolling casters allow easy repositioning | |
| Height-adjustable sit-stand desks | 76mm pneumatic height adjustment range allows alignment with both seated and raised standing desk heights for flexible working | |
| 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 | Recommended applicability: office furniture – office work chairs – Part 1: Dimensions, determining appropriate seat, back and clearance dimensions for seated office tasks | |
|---|---|---|
| EN 1335-2:2018 | Recommended applicability: office work chairs – Part 2: Safety requirements, covering structural stability, strength, and component durability for daily office use | |
| EN 1335-3:2009 | Recommended applicability: office work chairs – Part 3: Test methods, defining standardized test procedures for verifying structural performance and durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Recommended applicability: standard for office chairs – general purpose, defining requirements for structural durability, static load, impact, cyclic testing and stability for commercial office seating |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standards and test results require confirmation | |
|---|---|---|
| GB/T 24821-2009 | Recommended applicability: mechanical performance and stability testing for office chairs, including static load, durability and stability test requirements | |
| GB 18584-2001 | Recommended applicability: limit of harmful substances (formaldehyde, heavy metals) in wood furniture components including bentwood trim, ensuring indoor air quality compliance |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standards and test results require confirmation; 2. GB/T 24821-2009: Recommended applicability: mechanical performance and stability testing for office chairs, including static load, durability and stability test requirements; 3. GB 18584-2001: Recommended applicability: limit of harmful substances (formaldehyde, heavy metals) in wood furniture components including bentwood trim, ensuring indoor air quality compliance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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