| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 630 x 680 x 1220 mm | |
|---|---|---|
| Seat width | 470 mm | |
| Seat depth | 460 mm | |
| Seat height adjustment range maximum | 530 mm | |
| Armrest height above seat | 190 mm | |
| Backrest height above seat | 570 mm | |
| Seat cushion thickness | 70 mm | |
| Headrest protrusion height | 60 mm | |
| Armrest top maximum height from floor | 700 mm | |
| Five-star base footprint diameter | 680 mm | |
| Backrest frame width | 470 mm | |
| Overall width between outer armrest edges | 630 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 | |
|---|---|---|
| Net weight reference | 18 kg | |
| Seat foam density | 55 kg/m³ | |
| Seat foam rebound rate | 45 % | |
| Mesh fabric abrasion resistance | 60000 cycles | |
| Gas lift cycle durability | 120000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable polyester-nylon blended mesh | |
|---|---|---|
| Seat cushion core | Molded high-density polyurethane foam | |
| Seat surface upholstery | Breathable woven fabric over foam pad | |
| Armrest construction | Injection-molded PP structural frame with PU padded top | |
| Internal support frame | 1.8mm thick welded steel tube frame | |
| Five-star base | Glass-fiber reinforced nylon molded base | |
| Caster construction | 60mm diameter PU soft tread on nylon hub | |
| Height adjustment cylinder | 100mm stroke Class 3 carbon steel gas lift | |
| Control mechanism | 2.5mm thick steel plate tilt-lock mechanism | |
| Headrest pad | Curved mesh-covered padded support | |
| Back frame outer shell | Matte black PP molded outer back panel | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100mm vertical travel via gas lift, lever-operated under right seat | |
|---|---|---|
| Backrest recline function | 125° maximum recline angle with multi-position lock | |
| Tilt tension adjustment | User-adjustable knob under seat controls recline resistance | |
| Swivel function | 360° unlimited rotation around central gas lift axis | |
| Headrest adjustment | 2D height and angle adjustment for neck support | |
| Mobility function | Smooth rolling on 5 dual-wheel casters suitable for hard floors | |
| Lumbar support | Integrated contoured lumbar zone in mesh back design | |
| 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 | Suitable for 8-hour daily seated work at standard 750mm height desks | |
|---|---|---|
| Home office setups | Space-efficient footprint fits compact home work areas for remote work | |
| Meeting and conference rooms | Professional neutral design matches standard conference table heights | |
| Manager and executive offices | High-back ergonomic support suitable for senior staff workspaces | |
| Coworking shared spaces | Adjustable features accommodate wide range of user heights and sizes | |
| 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 | Applies to dimensional, safety and strength requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applies to safety performance test methods for office seating | |
| EN 1335-3:2009 | Applies to test methods for stability and structural durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance test standard | |
|---|---|---|
| Static load rating for five-star base | 1136 kg |
Standards applicable to China-market projects
| GB/T 38609-2020 | Applies to ergonomic office chair performance requirements for general office use | |
|---|---|---|
| GB/T 35607-2017 | Applies to limit of harmful substances in upholstered furniture for indoor use | |
| GB/T 10357.2-2013 | Applies to mechanical stability test requirements for office seating | |
| GB/T 10357.3-2013 | Applies to strength and durability test methods for office chairs |
This product must meet the following technical requirements: 1. GB/T 38609-2020: Applies to ergonomic office chair performance requirements for general office use; 2. GB/T 35607-2017: Applies to limit of harmful substances in upholstered furniture for indoor use; 3. GB/T 10357.2-2013: Applies to mechanical stability test requirements for office seating; 4. GB/T 10357.3-2013: Applies to strength and durability test methods for office chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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