| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 690 x 762 x 1118 mm | |
|---|---|---|
| Seat width | 508 mm | |
| Seat depth | 546 mm | |
| Maximum seat height | 584 mm | |
| Backrest width | 521 mm | |
| Backrest height | 597 mm | |
| Five-star base diameter | 686 mm | |
| Caster wheel diameter | 50 mm | |
| Seat cushion thickness | 102 mm | |
| Armrest height from seat | 220 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 product weight | 26.3 kg | |
|---|---|---|
| Recommended static weight capacity | 160 kg | |
| Backrest maximum recline angle | 15 degrees | |
| Gas lift vertical travel stroke | 100 mm | |
| Seat foam density | 35 kg/m³ | |
| Back foam density | 30 kg/m³ | |
| Foam rebound rate | 52% | |
| Caster rolling durability | 100000 cycles | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.5 mm thick burgundy PU faux leather, stitched edge detailing | |
|---|---|---|
| Seat cushion core | High-density molded PU foam with waterfall front edge | |
| Backrest support core | Curved 12 mm E1-grade bent plywood inner frame | |
| Armrest structure | Polished chrome-plated steel arm supports with matching upholstered pads | |
| Five-star base | 2 mm thick polished chrome-plated steel 5-prong swivel base | |
| Gas lift cylinder | Chrome-plated Class 2 steel pneumatic height adjustment cylinder | |
| Tilt mechanism | 3 mm thick black powder-coated steel multi-tilt chassis under seat | |
| Caster wheels | Dual-wheel black PU/nylon casters with silver accent rings | |
| Seat underside structure | Black PP protective cover and steel support brackets | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation around central gas lift axis for full desk access | |
|---|---|---|
| Pneumatic seat height adjustment | Lever-operated height adjustment across 100 mm stroke for desk alignment | |
| Tilt tension adjustment | Knob-controlled spring tension adjustment to match user body weight | |
| Upright tilt lock | Single-lever locking of backrest in fully upright working position | |
| Backrest rocking recline | Synchronized rocking up to 15 degrees from upright for relaxed posture | |
| Smooth rolling mobility | Five dual-wheel casters for movement on hard floors and low-pile carpet | |
| Contoured lumbar support | Integrated curved backrest shape for mid-back lumbar alignment | |
| Waterfall seat edge | Rounded front seat edge to reduce leg pressure during extended seating | |
| 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 use | Formal burgundy styling suits leadership and manager workspaces | |
|---|---|---|
| Open-plan workstation placement | Compact mid-back profile fits standard desk height workstations | |
| Conference meeting room seating | Polished chrome trim matches formal meeting room furniture finishes | |
| Home office professional setup | Durable upholstery is easy to clean for daily residential work use | |
| 8-hour daily work shifts | Ergonomic contoured padding supports extended seated work tasks | |
| Hard floor and low-pile carpet | Soft PU dual casters roll smoothly without damaging floor surfaces | |
| 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 safety and functional requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength and durability testing | |
| EN 1335-3:2009 | Applies to office chair stability and safety test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair structural performance and durability | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to heavy-user office chair static and fatigue load testing |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional tolerance and stability testing | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair strength and durability mechanical testing | |
| GB 28007-2011 | Applies to upholstered furniture formaldehyde emission limits for indoor use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional tolerance and stability testing; 2. GB/T 10357.3-2013: Applies to office chair strength and durability mechanical testing; 3. GB 28007-2011: Applies to upholstered furniture formaldehyde emission limits for indoor use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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