| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 680 x 1300 mm | |
|---|---|---|
| Seat cushion width | 480 mm | |
| Seat cushion depth | 460 mm | |
| Seat cushion thickness | 80 mm | |
| Seat height adjustment range (floor to seat top) | 540 mm | |
| Backrest total height (seat surface to headrest top) | 690 mm | |
| Headrest width | 470 mm | |
| Armrest height above seat surface | 180 mm | |
| Five-star base total span | 680 mm | |
| Minimum overall chair height (lowest seat/headrest position) | 1120 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 | 150 kg | |
|---|---|---|
| Static load rating for five-star base | 1000 kg | |
| Product net weight | 14.2 kg | |
| Caster rolling noise level | 40 dB | |
| Seat foam density | 60 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Mesh upholstery abrasion resistance | 100000 double rubs | |
| Frame fatigue cycle rating | 100000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest construction | Breathable polyester tension mesh over glass-fiber reinforced PP frame | |
|---|---|---|
| Headrest construction | Mesh-covered PP pad with height adjustment bracket | |
| Seat cushion core | High-density molded polyurethane foam with fabric upholstery cover | |
| Seat front edge | Contoured waterfall edge design | |
| Armrests | Integrated fixed loop PP armrests connected to back frame | |
| Five-star base | Injection-molded nylon/PP five-star caster base | |
| Casters | 60 mm diameter nylon dual-wheel swivel casters | |
| Height adjustment mechanism | Pneumatic Class 3 gas lift with steel cylinder | |
| Tilt mechanism | 2.5mm thick steel butterfly tilt-lock chassis under seat | |
| Internal seat support board | 12 mm thick molded plywood seat pan | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full swivel enabled by central gas lift and caster base | |
|---|---|---|
| Seat height adjustment | 100 mm vertical travel via under-seat pneumatic lever | |
| Backrest recline function | 3-position lockable recline up to 125 degrees with tension adjustment | |
| Headrest adjustment | Height-adjustable headrest to support neck positioning | |
| Mobility function | Smooth rolling on all hard floor and low-pile carpet surfaces via dual-wheel casters | |
| Lumbar support | Contoured integrated lumbar zone built into mesh backrest | |
| Weight-activated tilt tension | Automatic tension adjustment to match user weight for balanced recline | |
| Stable stationary use | Non-tilting locked upright position for focused task work | |
| 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
| Open-plan office workstations | Ergonomic support for 8+ hour daily seated desk work for office staff | |
|---|---|---|
| Home office study spaces | Compact footprint fits standard home desk setups for remote workers | |
| Conference and meeting rooms | Professional appearance and swivel function support collaborative meeting use | |
| Computer and IT work areas | Breathable mesh back reduces heat buildup during extended screen use | |
| Reception and administrative areas | Durable construction and mobility suit high-traffic front-desk usage | |
| Training room installations | Stackable-free mobile design supports flexible training space reconfiguration | |
| 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, dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Office work chairs, safety requirements for structural stability and load testing | |
| EN 1335-3:2009 | Office work chairs, test methods for durability and mechanical performance validation |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office chairs, general purpose, strength, durability and structural stability standard | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Office chairs for large occupants, extended load capacity test requirements |
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture: desks and chairs, dimension specification applicability for size verification | |
|---|---|---|
| GB/T 35607-2017 | Office furniture: seating, mechanical safety requirements for structural strength validation | |
| GB 18584-2001 | Interior decoration materials: furniture, formaldehyde emission limit for material compliance |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture: desks and chairs, dimension specification applicability for size verification; 2. GB/T 35607-2017: Office furniture: seating, mechanical safety requirements for structural strength validation; 3. GB 18584-2001: Interior decoration materials: furniture, formaldehyde emission limit for material compliance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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