| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (upright) | 860 x 770 x 1285 mm | |
|---|---|---|
| Adjustable seat height | 620 mm | |
| Seat width | 625 mm | |
| Seat depth | 515 mm | |
| Cushion thickness | 140 mm | |
| Backrest height | 720 mm | |
| Footrest extension length | 420 mm | |
| Armrest height above seat | 220 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Backrest maximum width | 745 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 static load capacity | 272 kg | |
|---|---|---|
| Base static load test rating | 1136 kg | |
| Gas lift durability cycles | 120000 cycles | |
| Caster rolling durability cycles | 100000 cycles | |
| Foam deformation resistance service life | 6000 hours | |
| Net weight reference | 28 kg | |
| Seat tilt recline maximum angle | 160 degrees | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery surface | 1.2mm thick black PU leather | |
|---|---|---|
| Seat and back padding | 45kg/m³ high-density molded polyurethane foam | |
| Seat support panel | 15mm thick multi-layer plywood | |
| Internal frame | 1.5mm thick welded steel tube | |
| Five-star base | 1.8mm thick chrome-plated polished steel | |
| Armrest structure | Steel inner frame wrapped with padded PU leather | |
| Caster material | Polyurethane tread with polypropylene inner hub | |
| Footrest surface | PU leather padded top with chrome-plated steel support rail | |
| Recline control knob | Chrome-finished metal lever/knob | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation supported by central swivel mechanism | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical travel via Class 4 gas lift | |
| Recline locking function | Lockable at any angle between upright and 160 degrees | |
| Retractable footrest operation | Manual pull-out extension, stows under seat when not in use | |
| Tilt tension adjustment | Rotary knob adjusts recline resistance to match user weight | |
| Smooth rolling mobility | Dual-wheel casters suitable for hard floors and low-pile carpet | |
| Lumbar contour support | Segmented stitched back padding provides built-in lumbar support | |
| 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 use | Suitable for manager/executive desks requiring long-seat comfort | |
|---|---|---|
| Home office workspace | Fits premium home office setups for professional use | |
| Conference room managerial seating | Suitable for senior meeting room and boardroom applications | |
| User weight accommodation | Designed for users up to 150kg for extended daily use | |
| Recommended floor types | Suitable for wood, tile, and low-pile carpeted floors | |
| 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 chair safety requirements | EN 1335:2020 | |
|---|---|---|
| Office chair structural durability | EN 1728:2012 | |
| Furniture fire resistance for upholstery | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair general purpose standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Gas lift safety standard | ANSI/BIFMA X5.1 Clause 8 | |
| Caster durability standard | ANSI/BIFMA X5.1 Clause 12 |
Standards applicable to China-market projects
| Office chair structural strength | GB/T 3326 | |
|---|---|---|
| Upholstered furniture safety | GB 20400 | |
| Furniture mechanical test for seating | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Office chair structural strength: GB/T 3326; 2. Upholstered furniture safety: GB 20400; 3. Furniture mechanical test for seating: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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