| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 680 x 1215 mm | |
|---|---|---|
| Seat width | 505 mm | |
| Seat depth | 465 mm | |
| Seat height adjustment range max | 525 mm | |
| Backrest height above seat | 570 mm | |
| Headrest width | 315 mm | |
| Headrest vertical travel | 60 mm | |
| Armrest height above seat | 200 mm | |
| Back frame upper width | 430 mm | |
| Armrest floor height max | 725 mm | |
| Five-star base diameter | 350 mm | |
| Caster diameter | 60 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 | 136 kg | |
|---|---|---|
| Product net weight | 20 kg | |
| Five-star base static load rating | 1000 kg | |
| Caster rolling durability | 100000 cycles | |
| Recommended daily usage duration | 8 hours | |
| Gas lift cycle rating | 100000 cycles | |
| Warranty period for structural parts | 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 construction | Breathable woven mesh over nylon-fiberglass frame | |
|---|---|---|
| Seat cushion fill | 45D high-density molded polyurethane foam | |
| Seat cushion upholstery | Breathable stretch mesh fabric top with wear-resistant edge trim | |
| Headrest cushion | Curved mesh padded panel with plastic support bracket | |
| Armrests | Polypropylene structural core with soft PU padded top, fixed height | |
| Five-star base | Glass-reinforced nylon molded base, 2.5mm wall thickness | |
| Gas lift cylinder | Class 3 black steel gas lift, 50mm outer tube diameter, 85mm stroke | |
| Tilt mechanism | 3mm thick steel plate center-tilt mechanism with tension adjustment | |
| Casters | Dual-wheel PU soft tread casters with PA core, floor-safe design | |
| Seam stitch pitch | 8 mm | |
| 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 gas lift adjusts 85mm between 525 mm seat height | |
|---|---|---|
| Headrest adjustment | 60mm vertical height adjustment to support cervical spine | |
| Recline function | Center-tilt mechanism locks at 90° upright and 120° recline positions | |
| Swivel function | 360-degree full rotation around central gas lift axis | |
| Mobility | Five dual-wheel casters enable smooth rolling on hard and carpet floors | |
| Lumbar support | Integrated contoured mesh lumbar zone aligns to natural lower back curve | |
| Tilt tension control | Under-seat knob adjusts recline resistance to match user weight | |
| 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
| Home office workstation | Suitable for long-duration computer work at standard 760 mm height desks | |
|---|---|---|
| Open plan corporate office | Appropriate for employee workstations requiring breathable support for full shifts | |
| Conference meeting rooms | Suitable for meeting seating with swivel access and fixed arm support | |
| Small business workspaces | Ideal for startup or co-working spaces requiring durable, easy-to-maintain seating | |
| Height-matched desk compatibility | Pair with 760 mm height desks to maintain 300 mm seated elbow clearance | |
| 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 seating safety | EN 1335:2020 | |
|---|---|---|
| Office furniture seating mechanical testing | EN 1335:2009 |
US and Canada office-furniture standards
| Office chair safety and performance | ANSI/BIFMA X2017 |
|---|
Standards applicable to China-market projects
| Office chair structural safety | GB/T 10357.3 | |
|---|---|---|
| Office chair general technical requirements | GB/T 22792.1 |
This product must meet the following technical requirements: 1. Office chair structural safety: GB/T 10357.3; 2. Office chair general technical requirements: GB/T 22792.1; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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