| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 880 x 1200 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 540 mm | |
| Backrest height | 830 mm | |
| Seat height adjustment range | 570 mm | |
| Retractable footrest extension length | 420 mm | |
| 5-star base diameter | 650 mm | |
| Caster wheel diameter | 50 mm | |
| Armrest height from seat | 200 mm | |
| Backrest width | 520 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 | 26 kg | |
|---|---|---|
| Maximum static user load | 227 kg | |
| Upholstery abrasion resistance | 50000 Martindale rubs | |
| Gas lift height adjustment stroke | 120 mm | |
| Recline angle range | 135degrees | |
| Gas lift cycle durability | 120000 full lift cycles | |
| Caster rolling durability | 100000 rolling cycles | |
| 5-star base static load capacity | 1136 kg | |
| 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 tan PU faux leather, stain-resistant, waterproof | |
|---|---|---|
| Seat cushion padding | 40kg/m³ high-density cold-cure foam, 100mm thick | |
| Backrest padding | 35kg/m³ high-density foam, 80mm thick | |
| Integrated headrest padding | 30kg/m³ soft foam, 120mm thick | |
| Internal support frame | 1.5mm thick welded steel tube frame | |
| Armrests | PU padded tops with dark textured ABS trim, fixed steel internal supports | |
| 5-star base | 2.0mm thick chrome-plated polished steel, corrosion-resistant finish | |
| Caster wheels | 50mm dual-wheel black PU casters with chrome accent rings, non-marking | |
| Footrest surface | Matching tan PU upholstery over steel support frame | |
| Recline control hardware | Polished chrome-plated steel lever and adjustment dial | |
| Seam stitching | 8mm stitch pitch, heavy-duty polyester thread | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Central chrome gas lift column enables full unrestricted swivel for desk access | |
|---|---|---|
| Pneumatic height adjustment | Side lever controls gas lift to adjust seat height between 450mm and 570mm | |
| Lockable recline mechanism | Side dial controls recline tension, locks backrest at any angle up to 135 degrees | |
| Retractable pull-out footrest | Slide-out steel-rail footrest extends 420mm from under seat for leg rest | |
| Dual-wheel non-marking caster mobility | Five PU casters roll smoothly on carpet and hard floors with no floor damage | |
| Fixed padded arm support | Ergonomically curved fixed armrests support forearms in upright and reclined positions | |
| Integrated head and neck support | Built-in padded headrest aligns with cervical spine in all seating positions | |
| 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 professional appearance supports manager and executive desk workspaces | |
|---|---|---|
| Home office workspace | Recline and footrest enable both productive work and short rest breaks | |
| Conference room leadership seating | High-back padded design provides long-meeting comfort for senior attendees | |
| Managerial reception areas | Polished chrome and tailored upholstery presents a professional business image | |
| Standard 720-760mm height office desks | Adjustable seat height aligns with conventional commercial desk work surfaces | |
| Carpeted and hard floor surfaces | Non-marking PU casters work safely on most common office flooring types | |
| 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 performance requirements for commercial use | |
|---|---|---|
| EN 1335-2:2018 | Applies to strength, durability and stability testing for office work chairs | |
| EN 1021-1:2014 | Applies to upholstered furniture ignitability resistance for cigarette smolder |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety, durability and structural performance standards |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional, strength and durability testing requirements | |
|---|---|---|
| GB 28007-2011 | Applies to safety requirements for office chairs, stability and structural integrity | |
| GB/T 16799-2008 | Applies to polyurethane synthetic leather upholstery material performance requirements |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional, strength and durability testing requirements; 2. GB 28007-2011: Applies to safety requirements for office chairs, stability and structural integrity; 3. GB/T 16799-2008: Applies to polyurethane synthetic leather upholstery material performance requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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