| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 700 x 1240 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 | 20 kg | |
|---|---|---|
| Maximum static user weight capacity | 136 kg | |
| Suitable user height range | 183 cm | |
| Gas lift stroke length | 100 mm | |
| Recline angle range lock positions | 4 positions | |
| Base static load rating | 1134 kg | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Seam stitch pitch | 3 stitches per 10 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable tensioned polyester mesh | |
|---|---|---|
| Seat upholstery | Breathable mesh over high-density molded foam | |
| Internal seat frame | 1.5 mm thick reinforced steel plate | |
| Backrest support frame | Nylon and glass fiber composite | |
| Armrest pads | 30 mm thick soft PU padding | |
| Armrest support structure | Reinforced nylon with steel height adjustment posts | |
| Five-star base | 2.5 mm thick powder-coated steel | |
| Footrest structure | Steel support frame with padded mesh surface | |
| Gas lift cylinder | Class 3 steel gas lift, 50 mm outer diameter | |
| Caster wheels | 60 mm diameter PU tread with nylon hub | |
| Control mechanism chassis | 3 mm thick stamped steel | |
| Headrest padding | 40 mm thick foam with mesh upholstery |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | Pneumatic gas lift adjusts seat height 100 mm via right-side lever | |
|---|---|---|
| Recline function | Backrest tilts up to 135° with multi-position tilt lock | |
| 3D armrest adjustment | Armrests adjust 80 mm height, 50 mm front/back, 30 mm in/out | |
| Headrest adjustment | Headrest adjusts 60 mm height and 25° tilt angle | |
| Lumbar support | Contoured adjustable lumbar pad moves 50 mm vertically | |
| Retractable footrest | Steel-framed footrest pulls out 460 mm and flips up for leg support | |
| Tilt tension control | Adjustable spring tension sets recline resistance for user weight | |
| Smooth caster mobility | Dual-wheel PU casters roll silently on hard floors and carpet | |
| Waterfall seat edge | Curved front seat edge reduces pressure on back of thighs | |
| 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 workstation | Supports 8+ hour daily computer work with ergonomic adjustments | |
|---|---|---|
| Corporate open office | Commercial-grade construction for shared workstations and employee desks | |
| Study room use | Adjustable support fits teen and adult users for homework and remote learning | |
| Reclined rest break use | 135° recline and extended footrest support short naps during work breaks | |
| Conference meeting rooms | Swivel and mobility allow easy turn to face speakers or presentation screens | |
| Gaming and media use | Ergonomic support reduces back strain during long recreational screen sessions | |
| 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 strength/stability | EN 1335:2009 | |
|---|---|---|
| Office chair dimensions | EN 1335:2000 | |
| Office chair stability | EN 1022:2018 |
US and Canada office-furniture standards
| Office chair general purpose | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster durability | ANSI/BIFMA X5.1 Clause 17 | |
| Gas lift safety | ANSI/BIFMA X5.1 Clause 8 | |
| Caster rolling durability | 100000 cycles |
Standards applicable to China-market projects
| Office chair safety requirement | GB/T 39602 | |
|---|---|---|
| Formaldehyde emission limit | GB 18584 | |
| Fabric colorfastness | GB/T 3920 |
This product must meet the following technical requirements: 1. Office chair safety requirement: GB/T 39602; 2. Formaldehyde emission limit: GB 18584; 3. Fabric colorfastness: GB/T 3920; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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