| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 640 x 640 x 1060 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 | 12 kg | |
|---|---|---|
| Maximum static user weight capacity | 120 kg | |
| Gas lift stroke length | 100 mm | |
| Seat dynamic load rating | 95 kg | |
| Caster rolling durability cycles | 40000 | |
| Backrest tilt lock angle | 12 degrees | |
| Warranty period for structural components | 3 years | |
| 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
| Backrest central support | Tensioned breathable polyester mesh | |
|---|---|---|
| Backrest outer frame | Reinforced polypropylene plastic | |
| Seat cushion core | 45kg/m³ density high-resilience polyurethane foam | |
| Seat upholstery | Wear-resistant polyester fabric | |
| Armrests | Fixed hard polypropylene with flat padded top | |
| Height adjustment mechanism | Class 3 carbon steel gas lift | |
| Five-star base | Glass-fiber reinforced nylon, 2.5mm wall thickness | |
| Casters | 50mm diameter polyurethane rolling wheels | |
| Tilt chassis | 2.5mm thick stamped steel plate | |
| Seat seam stitch pitch | 8 stitches per 30mm | |
| 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 100mm travel adjusted via right-side under-seat lever, locks at any position within range | |
|---|---|---|
| 360-degree swivel rotation | Full rotation around central gas lift axis for multi-directional access | |
| Backrest tilt function | Synchronized 12-degree backward tilt with tension adjustment, no multi-position lock visible | |
| Fixed arm support | Rigid non-adjustable armrests positioned 190mm above seat surface for forearm support | |
| Smooth rolling mobility | 5 dual-wheel casters for movement on hard floors and low-pile carpet | |
| Lumbar support | Contoured lower back frame provides static lumbar contact without adjustable pad | |
| Seat waterfall edge | Rounded front seat edge reduces thigh pressure during extended sitting | |
| 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 | Durable ergonomic support for 8-hour daily employee use in general office environments | |
|---|---|---|
| Home office workspaces | Compact footprint fits small home desk setups for remote work and study | |
| Conference and meeting rooms | Stackable and lightweight design suitable for temporary meeting room seating | |
| Training room facilities | Wheeled base allows easy reconfiguration for classroom or training layouts | |
| Small business reception areas | Neutral black finish complements standard office reception decor | |
| 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 furniture office chairs safety and strength | EN 1335:2018 | |
|---|---|---|
| Office furniture office chairs dimensional stability | EN 1335:2020 |
US and Canada office-furniture standards
| Office chairs general purpose tests | ANSI/BIFMA X2017 |
|---|
Standards applicable to China-market projects
| Office chair strength and durability | GB/T 10357.3 | |
|---|---|---|
| Formaldehyde emission limits | GB 18584 | |
| Office chair safety requirements | GB 28007 |
This product must meet the following technical requirements: 1. Office chair strength and durability: GB/T 10357.3; 2. Formaldehyde emission limits: GB 18584; 3. Office chair safety requirements: GB 28007; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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