| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 680 x 1280 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
| Product net weight | 23 kg | |
|---|---|---|
| Maximum user weight capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam thickness | 60 mm | |
| Mesh abrasion resistance | 50000 cycles | |
| Caster rolling durability | 100000 cycles | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Breathable black elastic mesh | |
|---|---|---|
| Five-star base | Polished die-cast aluminum | |
| Armrest pads | Soft polyurethane padding on nylon support | |
| Internal frame | Glass-fiber reinforced nylon | |
| Gas lift | Chrome-plated steel class 3 gas lift | |
| Casters | Black polyurethane dual-wheel casters | |
| Headrest padding | High-density polyurethane foam | |
| Retractable footrest | Fabric-padded steel sliding mechanism | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Dual split back lumbar support | Two independent vertical back panels flex to conform to spine curvature | |
|---|---|---|
| Seat height adjustment | Pneumatic 100mm height adjustment via side lever | |
| Backrest recline function | 125 degree maximum recline with tension adjustment knob | |
| Retractable sliding footrest | Pull-out 380mm padded footrest stores under seat | |
| 360-degree swivel rotation | Full rotation enabled by central swivel mechanism | |
| Smooth omnidirectional movement | Dual-wheel casters roll freely on hard floors and low-pile carpet | |
| Adjustable headrest | Height and tilt adjustable curved headrest | |
| 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
| Corporate open plan offices | Long-duration ergonomic support for employees working 8+ hour shifts at desks | |
|---|---|---|
| Home office workspaces | Compact footprint fits standard home desk setups with added footrest for rest breaks | |
| Executive private offices | Polished aluminum base and black finish matches premium executive desk aesthetics | |
| Shared coworking spaces | Adjustable dimensions and robust construction suit diverse user heights and usage patterns | |
| Call center workstations | Breathable mesh and lumbar support reduce fatigue during extended seated shifts | |
| 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 | Office furniture - Office work chairs - Part 1: Dimensions - safety and strength requirements for contract use | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements for structural stability and durability | |
| EN 1022:2018 | Domestic and contract furniture - Seating - Determination of stability for all seating types |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for office chairs: General purpose, covering strength, durability and structural integrity | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Standard for large occupant office chairs, for users up to 159kg weight capacity | |
| Gas lift cycle rating | Recommended references: BIFMA X5.1 |
Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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