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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 710 x 790 x 1330 mm | |
|---|---|---|
| Seat dimensions | 530 x 530 mm | |
| Seat height range (floor to seat) | 560 mm | |
| Backrest height (seat to top of headrest) | 780 mm | |
| Extended footrest dimensions | 420 x 250 mm | |
| Footrest extension length (seat front out) | 420 mm | |
| Five-star base diameter | 700 mm | |
| Armrest height (floor to padded top) | 700 mm | |
| Caster wheel diameter | 50 mm | |
| Armrest width (padded surface) | 80 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest lumbar support thickness | 80 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 maximum user weight | 204 kg | |
|---|---|---|
| Net weight (chair only) | 25 kg | |
| Recline angle range (upright to full recline) | 145° | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Caster rolling durability cycle rating | 100000 cycles | |
| Gas lift static load rating | 150 kg | |
| Stitched seam pitch | 8 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick brown PU leather | |
|---|---|---|
| Seat cushion padding | Multi-layer high-density polyurethane foam | |
| Backrest padding | Contoured high-density foam with integrated lumbar bolsters | |
| Armrest pads | PU leather-wrapped foam padding with dark charcoal ABS frame | |
| Internal support frame | 1.5mm thick welded steel tube frame | |
| Five-star base | 1.8mm thick chrome-plated polished steel | |
| Caster wheels | Dual-wheel polyurethane soft tread with metal mounting stem | |
| Height adjustment gas lift | Chrome-plated steel gas lift, Class 4 rating | |
| Recline mechanism chassis | 3mm thick steel plate with tension control | |
| Retractable footrest frame | Chrome-plated steel support rail with PU-padded top | |
| 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 360° rotation enabled by central gas lift swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 110mm vertical travel via side-mounted lever control | |
| Recline locking function | Infinite angle lock between 90° upright and 145° recline | |
| Recline tension adjustment | Knob-controlled tension to match user body weight | |
| Retractable sliding footrest | Manual pull-out extension from under seat for leg support | |
| Smooth multi-surface caster mobility | Dual-wheel casters roll on carpet, tile, and hardwood floors | |
| Integrated fixed lumbar support | Contoured backrest padding supports lower back without adjustment | |
| Integrated headrest section | Padded upper back section supports neck and head during recline | |
| 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 private office | Formal brown leather finish matches professional manager/executive workspace decor | |
|---|---|---|
| Home office workspace | Recline and footrest support long work sessions and short resting breaks | |
| Manager meeting room | Swivel and adjustable height support collaborative discussion at conference desks | |
| Reception waiting area | Padded comfort accommodates extended waiting for guests or visitors | |
| 24/7 intensive workstations | Thick padding and heavy-duty mechanism support extended daily use | |
| Height-adjustable desk compatibility | 560mm maximum seat height matches sit-stand desk 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
| Office furniture office chair safety requirement | EN 1335:2020 | |
|---|---|---|
| Office chair castor performance requirement | EN 12529:1998 | |
| Upholstered furniture PU leather performance | EN 13356:2011 |
US and Canada office-furniture standards
| Office chair general purpose performance standard | ANSI/BIFMA X5.1:2017 | |
|---|---|---|
| Office chair gas lift safety requirement | ANSI/BIFMA X5.1 Clause 8 | |
| Office chair caster durability requirement | ANSI/BIFMA X5.1 Clause 12 |
Standards applicable to China-market projects
| Office chair strength and durability standard | GB/T 10357.3:2013 | |
|---|---|---|
| Upholstered furniture formaldehyde emission limit | GB 18584:2001 | |
| Furniture surface cold-crack resistance for leather/PU | GB/T 16799:2008 |
This product must meet the following technical requirements: 1. Office chair strength and durability standard: GB/T 10357.3:2013; 2. Upholstered furniture formaldehyde emission limit: GB 18584:2001; 3. Furniture surface cold-crack resistance for leather/PU: GB/T 16799:2008; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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