| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 645 x 700 x 1250 mm | |
|---|---|---|
| Seat dimensions | 515 x 420 mm | |
| Backrest height | 580 mm | |
| Headrest height | 95 mm | |
| Seat height adjustment range | 555 mm | |
| Armrest height above seat | 250 mm | |
| Armrest total height from floor | 730 mm | |
| Five-star base diameter | 700 mm | |
| Back frame width | 505 mm | |
| Retractable footrest extension length | 320 mm | |
| Caster diameter | 60 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 | 20 kg | |
|---|---|---|
| Maximum recommended user weight | 159 kg | |
| Suitable user height range | 1950 mm | |
| Seat foam density | 45 kg/m³ | |
| Seat foam thickness | 60 mm | |
| Back mesh static load rating | 150 kg | |
| Base static load capacity | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Mesh upholstery abrasion resistance | 50000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable polyester mesh | |
|---|---|---|
| Headrest upholstery | Matching breathable polyester mesh | |
| Seat support | High-density molded foam core under mesh | |
| Back frame | Glass-fiber reinforced nylon plastic | |
| Armrest pads | Soft polyurethane (PU) padding | |
| Five-star base | Polished aluminum alloy | |
| Gas lift cylinder | Chrome-plated steel Class 4 gas lift | |
| Casters | Polyurethane (PU) soft tread swivel casters | |
| Recline mechanism plate | 3mm thick stamped steel | |
| Footrest surface | Breathable woven mesh | |
| Seam stitch pitch | 8 mm | |
| Internal support frame | 1.2mm thick steel seat pan |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 85mm stroke gas lift adjustment | |
|---|---|---|
| Recline function | 135° maximum backrest recline | |
| Retractable footrest | 320mm slide-out footrest | |
| Armrest adjustment | 75mm vertical height adjustment | |
| Headrest adjustment | 45° angle tilt + 80mm height adjustment | |
| Lumbar support | Segmented contoured zoned lumbar support | |
| Swivel function | 360° full rotation around gas lift axis | |
| Tilt tension control | Knob-adjustable recline resistance | |
| Caster mobility | Dual-wheel PU casters for 360° rolling | |
| 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
| Home office workspace | Suitable for long hours of desk work at standard 760 mm height desks | |
|---|---|---|
| Corporate open office | Commercial grade durability for daily employee workstation use | |
| Executive private office | High-back ergonomic support with recline and footrest for short rest breaks | |
| Conference meeting room | Swivel mobility and adjustability for multi-hour meeting sessions | |
| Height-adjustable sit-stand desk | Compatible with 555 mm seat height range for sit-stand desk setups | |
| Multi-user shared workspace | Wide adjustment range to accommodate 195 cm tall users | |
| Carpeted and hard-floor offices | Soft PU casters protect floors while enabling smooth rolling movement | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office work chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Office chair mechanical stability and strength test methods | |
| EN 1335-3:2009 | Office chair structural integrity test requirements | |
| EN 1022:2018 | Furniture seating stability standard |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office chair general purpose safety and performance standard | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Office chair test for heavy-duty users up to 159kg | |
| ANSI/BIFMA X5.12-2019 | Office chair caster durability performance standard | |
| BIFMA e3-2019 | Furniture sustainability standard for material and emissions |
Standards applicable to China-market projects
| GB/T 3326-2016 | Standard for office furniture desk and chair dimensional accuracy | |
|---|---|---|
| GB/T 10357.3-2013 | Test standard for office chair mechanical stability and strength | |
| GB 18584-2001 | Standard for formaldehyde emission limits in wooden furniture | |
| GB/T 35607-2017 | Green product evaluation standard for furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Standard for office furniture desk and chair dimensional accuracy; 2. GB/T 10357.3-2013: Test standard for office chair mechanical stability and strength; 3. GB 18584-2001: Standard for formaldehyde emission limits in wooden furniture; 4. GB/T 35607-2017: Green product evaluation standard for furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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