| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 711 x 737 x 1295 mm | |
|---|---|---|
| Seat width | 533 mm | |
| Seat depth | 508 mm | |
| Seat height adjustment range | 533 mm | |
| Backrest total height | 787 mm | |
| Headrest dimensions | 320 x 180 mm | |
| Fixed armrest height above seat | 203 mm | |
| Five-star base total span | 700 mm | |
| Caster diameter | 60 mm | |
| Retractable footrest extension length | 350 mm | |
| Lower lumbar pad height | 180 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 | 181 kg | |
|---|---|---|
| Chair net weight | 19 kg | |
| Five-star base static load rating | 1000 kg | |
| Gas lift vertical stroke | 101 mm | |
| Seat cushion foam density | 50D | |
| Seat cushion foam rebound rate | 60% | |
| Upholstery mesh abrasion resistance | 50000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Seam stitch pitch | 8 mm | |
| Product warranty period | 5 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable high-tensile polyester mesh | |
|---|---|---|
| Seat cushion core | 50D high-density molded polyurethane foam | |
| Seat support plate | 12 mm thick plywood inner core | |
| Back and armrest frame | PP with 20% fiberglass reinforcement | |
| Tilt mechanism chassis | 2.5 mm thick stamped steel plate | |
| Internal reinforcement frame | 1.5 mm thick steel tube | |
| Five-star base | Injection-molded black nylon | |
| Caster wheels | 60 mm diameter PU soft tread dual-wheel casters | |
| Gas lift cylinder | SGS-certified Class 4 steel cylinder | |
| Retractable footrest | PP frame with padded mesh surface | |
| Armrest pads | Fixed flat hard PP top surface | |
| Headrest padding | 40 mm thick high-density foam wrapped in mesh |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | Pneumatic gas lift adjusts seat 533 mm via side lever | |
|---|---|---|
| Recline function | Backrest tilts 90° upright to 135° reclined with 3-position lock | |
| Tilt tension control | Under-seat knob adjusts tilt resistance to match user weight | |
| Headrest adjustment | 102 mm vertical travel with 45° angle rotation | |
| Swivel function | 360° full rotation around central gas lift axis | |
| Footrest operation | Pull-out retractable footrest extends 350 mm from under seat | |
| Mobility function | Five dual-wheel casters enable smooth rolling on all floor types | |
| Lumbar support | Dual split back panels provide independent left/right lumbar contour | |
| Fixed armrests | Rigid non-adjustable armrests provide stable forearm support at fixed height | |
| 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
| Carton gross weight | 22 kg | |
|---|---|---|
| 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
| Home office workspace | Suitable for long-duration seated work with lumbar support and recline | |
|---|---|---|
| Corporate open office workstation | Commercial-grade durability supports daily use by rotating staff | |
| Executive private office | Professional black finish matches formal office decor with full adjustability | |
| Student study desk area | Adjustable height fits teen to adult users for study and screen time | |
| Gaming and entertainment space | Recline function and footrest support relaxed seated positions for media use | |
| Hot-desking shared workspaces | 360° swivel and rolling casters enable easy repositioning between users | |
| 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 strength requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office work chair safety structural performance requirements | |
| EN 1022:2018 | Applies to seating furniture stability test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance standards | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to big and tall office chair static load requirements |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional and structural stability requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to chair strength and durability mechanical test methods | |
| GB 18584-2001 | Applies to indoor furniture formaldehyde emission limit requirements | |
| GB/T 22807-2019 | Applies to office leather/fabric upholstery furniture performance specifications |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional and structural stability requirements; 2. GB/T 10357.3-2013: Applies to chair strength and durability mechanical test methods; 3. GB 18584-2001: Applies to indoor furniture formaldehyde emission limit requirements; 4. GB/T 22807-2019: Applies to office leather/fabric upholstery furniture performance specifications; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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