| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 605 x 660 x 1180 mm | |
|---|---|---|
| Seat height adjustment range | 530 mm | |
| Seat usable width | 490 mm | |
| Seat usable depth | 505 mm | |
| Backrest height from seat surface | 560 mm | |
| Backrest width at lumbar zone | 460 mm | |
| Armrest height above seat surface | 175 mm | |
| Five-star base diameter | 350 mm | |
| Headrest usable width | 460 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
| Recommended user weight capacity | 150 kg | |
|---|---|---|
| Net product weight | 16 kg | |
| Static load capacity of five-star base | 1136 kg | |
| Gas lift stroke length | 100 mm | |
| Seat cushion foam density | 45 kg/m³ | |
| Backrest tilt lock angle | 120 degrees | |
| Seat cushion foam thickness | 60 mm | |
| Standard warranty period | 3 years | |
| Available color variants | 3 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | High-tensile breathable polyester mesh | |
|---|---|---|
| Seat cushion core | High-density native cut polyurethane foam | |
| Frame and armrests | Glass fiber reinforced PP engineering plastic | |
| Seat support plate | 14mm thick laminated plywood seat pan | |
| Five-star base | 350mm diameter reinforced nylon with light gray finish | |
| Casters | 60mm diameter dual-wheel PU over nylon casters | |
| Gas lift cylinder | Class 3 50mm diameter carbon steel gas lift | |
| Tilt mechanism | 2.5mm thick steel plate lockable free-tilt chassis | |
| Headrest frame and padding | PP frame with matching mesh upholstery | |
| Lumbar support structure | Integrally molded contoured PP lumbar support | |
| 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 side lever, 100mm travel | |
|---|---|---|
| Backrest tilt function | Lockable free-tilt recline up to 120 degrees with tension control | |
| Headrest adjustment | 2D height and angle adjustable curved headrest | |
| Swivel function | 360-degree full rotation around gas lift axis | |
| Mobility function | Dual-wheel casters roll on hard and soft floor surfaces | |
| Lumbar support | Contoured integrated lumbar support aligned to natural spine curve | |
| Fixed armrest support | Curved fixed armrests provide forearm support without adjustment | |
| Assembly requirement | Knocked-down assembly with included hardware and Allen key | |
| 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
| Carton outer dimensions | 670 x 580 x 630 mm | |
|---|---|---|
| Gross weight per carton | 19 kg | |
| 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 workspace | Suitable for 8-hour daily seated work in home study or dedicated home office spaces | |
|---|---|---|
| Open-plan corporate office | Light commercial rating suitable for employee workstations in open office environments | |
| Student study space | Ergonomic support suitable for university student desks or distance learning workstations | |
| Small meeting room | Appropriate for task seating in small meeting rooms or visitor seating areas | |
| Co-working shared space | Durable mesh construction suitable for high-turnover shared co-working facilities | |
| Hard and soft floor use | PU casters suitable for use on carpet, tile, laminate and hardwood floor surfaces | |
| Adult user fit | Dimensions suit users 185 cm tall aligned to 530 mm seat height range | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | European office chair dimensional safety and functional performance standard | |
|---|---|---|
| EN 1335-2:2018 | European office chair strength, durability and stability requirement standard | |
| EN 1022:2018 | Domestic and contract seating stability test method standard |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | North American general-purpose office chair durability and safety standard | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Heavy person office chair capacity standard for 150kg user loads | |
| Caster rolling durability | 100000 cycles |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture base and frame components | |
|---|---|---|
| GB/T 17657-2013 | Surface physical and chemical property test methods for wood-based seat support panels |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture base and frame components; 2. GB/T 17657-2013: Surface physical and chemical property test methods for wood-based seat support panels; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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