| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 740 x 780 x 1280 mm | |
|---|---|---|
| seat width | 520 mm | |
| seat depth | 540 mm | |
| adjustable seat height range | 585 mm, top value 585 mm | |
| backrest height | 770 mm | |
| five-star base radius | 350 mm | |
| caster diameter | 60 mm | |
| armrest height above seat | 210 mm | |
| extended footrest length | 400 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 weight | 25 kg | |
|---|---|---|
| recommended user weight capacity | 136 kg | |
| upholstery abrasion resistance | 50000 double rubs | |
| seat foam density | 45 kg/m³ | |
| seat foam rebound rate | 55% | |
| caster rolling durability | 40000 cycles | |
| gas lift static load rating | 150 kg | |
| warranty period | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| upholstery | 0.8mm thick PU leather blend, camel brown finish, button-tufted back | |
|---|---|---|
| seat cushion padding | 100mm thick high-density polyurethane foam, wrapped in soft polyester batting | |
| backrest padding | 80mm thick segmented high-density foam with tufted button anchors | |
| internal frame | 1.5mm thick welded steel tube frame with 12mm plywood seat/back support | |
| five-star base | 2.0mm thick chrome-plated polished steel radial base | |
| armrest structure | Dark gray textured polypropylene support frame, chrome-plated steel top trim, padded upholstered arm pad | |
| gas lift cylinder | 50mm diameter Class 3 chrome-plated steel pneumatic cylinder | |
| casters | 60mm diameter black polyurethane dual-wheel casters with chrome accent rings | |
| footrest | Padded upholstered retractable footrest with chrome-plated steel slide rails | |
| mechanism components | 3.0mm thick steel tilt/recline mechanism with powder-coated finish | |
| 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 seat height adjustment | 140mm vertical travel via side lever, locks at desired height | |
|---|---|---|
| recline function | 135° lockable backrest recline, adjustable tilt tension via side knob | |
| retractable footrest | Slide-out padded footrest locks in extended position, retracts fully under seat | |
| 360-degree swivel | Full rotation around central gas lift axis for multi-directional access | |
| tilt tension adjustment | Knob-controlled spring tension adjusts recline resistance for user weight | |
| rolling mobility | Dual-wheel casters roll smoothly on carpet and hard office flooring | |
| fixed padded armrests | Ergonomic curved armrests provide stable upper body support during work/recline | |
| recline position lock | Infinite position lock between upright and maximum recline angles | |
| reclined overall depth | 1150 mm | |
| 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
| executive office use | Suitable for manager and executive private offices, supports long work and rest breaks | |
|---|---|---|
| home office application | Fits premium home office setups for remote work and study use | |
| conference room use | Suitable for high-end boardrooms and executive meeting spaces | |
| user suitability | Accommodates users up to 136kg, supports upright work and reclined rest positions | |
| floor compatibility | Suitable for carpet, hardwood, tile and commercial office flooring | |
| recommended cleaning | Wipe upholstery with damp cloth, clean chrome surfaces with non-abrasive polish | |
| 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 1335-1:2000 | Applies to office chair dimensional safety and functional requirements | |
|---|---|---|
| EN 1335-2:2009 | Applies to office chair strength, durability and stability testing | |
| EN 1022:2018 | Applies to seating stability for domestic and contract office use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair performance and durability requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional stability and measurement methods | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair seat/back static and fatigue strength testing | |
| GB 20214-2006 | Applies to office caster chair stability and anti-tipping requirements | |
| GB/T 22807-2019 | Applies to leather/faux leather upholstery physical property testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional stability and measurement methods; 2. GB/T 10357.3-2013: Applies to office chair seat/back static and fatigue strength testing; 3. GB 20214-2006: Applies to office caster chair stability and anti-tipping requirements; 4. GB/T 22807-2019: Applies to leather/faux leather upholstery physical property testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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