| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 720 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height (adjustment range top value) | 520 mm | |
| Backrest height | 780 mm | |
| Backrest width | 500 mm | |
| Headrest width | 380 mm | |
| Armrest height above seat | 220 mm | |
| 5-star base radius | 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
| Suggested user weight capacity | 150 kg | |
|---|---|---|
| Net weight range top value | 22 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 60 mm | |
| Gas lift cycle rating | 100000 cycles | |
| Caster rolling durability | 40000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery | 0.8mm thick black polyurethane faux leather | |
|---|---|---|
| Seat padding | High-density polyurethane foam | |
| Backrest padding | Contoured medium-density polyurethane foam | |
| Integrated armrests | Padded faux leather over reinforced polypropylene inner frame | |
| Headrest | Integrated padded faux leather attached to backrest top | |
| 5-star base | 1.5mm thick polished chrome-plated steel | |
| Central gas lift | Class 3 50mm diameter chrome-plated steel | |
| Casters | 60mm diameter black polyurethane with metal bearings | |
| Internal seat frame | 1.2mm thick welded steel tube | |
| Stitching details | 30mm seam pitch along upholstery edges | |
| 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 | 100mm vertical travel via gas lift actuated by side lever | |
|---|---|---|
| Backrest recline function | 15-degree maximum tilt backward with tension adjustment | |
| Fixed integrated armrests | Curved flared armrests permanently attached to seat shell, no height or width adjustment | |
| Fixed headrest support | Integrated headrest positioned to support cervical spine during upright and reclined positions | |
| Smooth wheeled mobility | Five dual-wheel casters allow free movement on hard tile and wood floors | |
| Tilt lock mechanism | Single position lock to hold backrest in fully upright position | |
| 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
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Shipping carton dimensions | 850 x 650 x 380 mm | |
| Gross shipping weight | 25 kg | |
| Shipping volume per unit | 0.21 CBM | |
| Assembly time | 20 minutes | |
| 40ft HQ container loading quantity | 310 units | |
| 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 |
Recommended spaces / users / usage modes
| Executive private office | High-back ergonomic support and professional black faux leather finish suit senior manager workspaces for daily task work and meetings | |
|---|---|---|
| Conference room seating | Sleek modern design and swivel function support 2 hour meetings, with padded comfort for attendees across different body types | |
| Home office workspace | Chrome base and black upholstery complement modern home interiors, with height adjustment to match standard home desk heights | |
| Waiting and reception areas | Polished professional appearance creates a formal first impression, with wheeled mobility for easy repositioning by staff | |
| Commercial co-working spaces | Durable faux leather upholstery resists stains and easy to clean, supporting rotating daily use by multiple shared desk users | |
| Management workstation open plan areas | High back provides visual privacy in open office layouts, while integrated armrests support proper typing posture | |
| 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 | Office furniture - Office work chairs - Part 1: Dimensions - safety requirements, applicable for seat height, backrest dimensions and clearance requirements for ergonomic office use | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, applicable for structural stability, strength and durability testing | |
| EN 1335-3:2009 | Office furniture - Office work chairs - Part 3: Test methods, applicable for conducting tilt, stability and load verification tests |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Clause 5 | Backrest strength testing requirement of 667N static load applied to the backrest for 1 minute, no structural failure |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | General technical requirement for office furniture: chairs and stools, applicable for dimensional stability, structural strength and safety clearances for this office chair | |
|---|---|---|
| GB/T 35607-2017 | Limit of harmful substances in upholstered furniture, applicable for formaldehyde and volatile organic compound emissions from upholstery and foam materials |
This product must meet the following technical requirements: 1. GB/T 3326-2016: General technical requirement for office furniture: chairs and stools, applicable for dimensional stability, structural strength and safety clearances for this office chair; 2. GB/T 35607-2017: Limit of harmful substances in upholstered furniture, applicable for formaldehyde and volatile organic compound emissions from upholstery and foam materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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