| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 650 x 1200 mm | |
|---|---|---|
| Headrest dimensions | 300 x 180 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
| Maximum user weight capacity | 150 kg | |
|---|---|---|
| Net product weight | 18 kg | |
| Recommended daily usage duration | 8 hours | |
| Seat foam density | 45 kg/m³ | |
| Gas lift static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Backrest tilt angle range | 120degrees | |
| 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
| Seat upholstery | Breathable grey polyester mesh | |
|---|---|---|
| Back support pads | Mesh-covered high-density foam | |
| Armrests | Integrated curved nylon armrests with matte light grey finish | |
| Internal seat frame | 12 mm thick molded plywood | |
| Back frame | Reinforced nylon structural frame | |
| Gas lift | Chrome-plated steel Class 3 gas lift with black plastic collar | |
| Five-star base | Reinforced nylon light grey matte five-star base | |
| Casters | 60mm diameter polyurethane casters with black housing and grey tread | |
| Tilt mechanism | 3mm thick steel synchro-tilt chassis with black adjustment lever | |
| Seat foam | 50mm thick high resilience polyurethane foam | |
| 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
| Seat height adjustment | Pneumatic height adjustment via right-side under-seat lever, 100mm stroke | |
|---|---|---|
| Backrest tilt function | Synchro tilt with up to 25 degree recline, lockable in upright and reclined positions | |
| 360-degree swivel | Full rotation around central gas lift axis for easy workstation access | |
| Dual-zone back support | Split upper thoracic pads and independent lower lumbar pad to support spinal curvature | |
| Adjustable headrest | Height-adjustable padded headrest to support neck during recline | |
| Smooth mobility | Dual-wheel PU casters roll silently on hard floors and low-pile carpet | |
| Fixed armrest support | Curved fixed armrests provide stable forearm support during typing tasks | |
| 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 workstations | Suitable for 8-hour daily office use with ergonomic back support for desk workers | |
|---|---|---|
| Home office spaces | Compact footprint fits home study or bedroom work areas without excessive space use | |
| Meeting and conference rooms | Professional neutral grey finish and mobile design suit collaborative meeting spaces | |
| Co-working shared spaces | Durable construction and adjustable height suit a wide range of user body types | |
| Executive private offices | High-back design provides neck and upper back support for senior staff workspaces | |
| 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 | Applicable European standard for office work chairs: dimensional safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable European standard for office work chairs: strength and durability test requirements | |
| EN 1022:2018 | Applicable standard for seating furniture: stability performance requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable American standard for general-purpose office chairs: performance and durability requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office furniture: chair dimensional stability and strength requirements | |
|---|---|---|
| GB 28007-2011 | Applicable safety standard for office chairs with gas lift components, anti-explosion requirements |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office furniture: chair dimensional stability and strength requirements; 2. GB 28007-2011: Applicable safety standard for office chairs with gas lift components, anti-explosion requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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