| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x adjustable H) | 560 x 520 x 1300 mm | |
|---|---|---|
| Headrest width | 450 mm | |
| Backrest total height (top of headrest to seat surface) | 830 mm | |
| Seat depth (front to rear) | 520 mm | |
| Seat width (inner usable / outer total) | 460 mm / 560 mm | |
| Adjustable seat height (floor to seat surface) | 520 mm | |
| Adjustable armrest height (floor to armrest top) | 730 mm | |
| Five-star base caster spread diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Backrest lumbar region width (at armrest attachment) | 730 mm | |
| Armrest pad width | 80 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
| Chair net weight | 26 kg | |
|---|---|---|
| Recommended maximum static user weight | 150 kg | |
| Backrest static load capacity | 75 kg | |
| Caster rolling durability | 40,000 rolling cycles | |
| Gas lift cycle life | 100,000 height adjustment cycles | |
| Tilt mechanism cycle life | 50,000 recline cycles | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Top-grain brown leather (visual ) | |
|---|---|---|
| Seat core foam | High-resilience polyurethane foam, 60mm thick, density 50 kg/m³ | |
| Backrest core foam | Molded polyurethane foam, 40mm thick, density 40 kg/m³ | |
| Internal back/seat frame | 1.5mm thick plywood panel with 1.2mm steel reinforcement | |
| Armrest structure | Curved black padded support with polished chrome top trim | |
| Five-star base | Polished die-cast aluminum alloy, 3mm wall thickness | |
| Gas lift | Chrome-plated steel, Class 3 rating, 50mm diameter | |
| Tilt mechanism | 2.5mm thick stamped steel, black powder-coated finish | |
| Casters | Black nylon twin-wheel casters, polyurethane tread for hard flooring | |
| Seam construction | Double-stitched leather seams, 8 stitches per inch | |
| 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
| Height adjustment | Pneumatic gas lift adjustment with 50mm vertical travel, operated by lever under right side of seat | |
|---|---|---|
| Swivel function | 360-degree full rotation around central gas lift axis | |
| Recline tilt function | Synchro-tilt mechanism allowing 15degree backrest recline, with tension adjustment knob under seat | |
| Tilt lock function | Multi-position tilt lock allowing fixed upright position or free recline | |
| Mobility function | Smooth rolling on hard floors and low-pile carpet via 5 twin-wheel casters, no caster lock feature | |
| Headrest support | Integrated fixed padded headrest contoured for neck support, no separate height/angle adjustment | |
| Armrest design | Fixed padded armrests with chrome accent trim, height moves proportionally with seat adjustment | |
| Gas lift stroke length | 50 mm | |
| 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 packages | 1 | |
|---|---|---|
| Shipping carton dimensions (L x W x H) | 880 x 660 x 620 mm | |
| Gross shipping weight | 30 kg | |
| Shipping volume per unit (CBM) | 0.36 CBM | |
| Assembly time (2 persons, standard tools) | 25 minutes | |
| 20ft GP container loading quantity | 78units | |
| 40ft HQ container loading quantity | 190units | |
| Packaging material | 5-layer corrugated carton, with EPS foam corner protection and PE bag wrapping | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Executive office use | Suitable for senior management private offices, matching high-end executive desks for 8 hour daily seated work | |
|---|---|---|
| Meeting room use | Suitable for boardroom and executive meeting rooms as guest or leadership seating | |
| Home office premium setup | Suitable for high-end home office spaces for professional users requiring durable, aesthetic executive seating | |
| Visitor waiting areas | Suitable for high-end corporate waiting and reception areas for important guests | |
| Recommended compatible furniture | Pairs with 760 mm height executive desks, matches wood or metal frame office furniture collections | |
| Flooring compatibility | Suitable for hard tile, wood flooring and low-pile commercial carpet; not recommended for thick shag carpet over 12mm pile | |
| 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 standards and test results require confirmation | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, applicable for structural safety and stability validation during procurement | |
| EN 1335-3:2020 | Office furniture - Office work chairs - Part 3: Test methods, applicable for standardized mechanical and stability performance testing | |
| EN 1021-1:2014 | Furniture - Assessment of ignitability of upholstered furniture - Part 1: Ignition source smouldering cigarette, applicable for fire safety verification for upholstered components |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for Office Chairs, applicable for verifying structural durability, static load, cyclic load and stability requirements for general office use | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Standard for Large Occupant Office Chairs, applicable if product is marketed for users over 125kg, for enhanced load capacity validation |
Standards applicable to China-market projects
| GB/T 3326-2016 | General test standard for furniture: tables and chairs, applicable for dimension and structural stability verification during procurement inspection | |
|---|---|---|
| GB/T 10357.2-2013 | Furniture mechanical performance test: chairs and stools, applicable for backrest and seat static load, fatigue test validation | |
| GB/T 10357.3-2013 | Furniture mechanical performance test: chairs and stools, applicable for seat impact and leg strength testing | |
| GB 28007-2011 | Furniture limits of harmful substances for upholstered furniture, applicable for formaldehyde and heavy metal content verification for leather and foam components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: General test standard for furniture: tables and chairs, applicable for dimension and structural stability verification during procurement inspection; 2. GB/T 10357.2-2013: Furniture mechanical performance test: chairs and stools, applicable for backrest and seat static load, fatigue test validation; 3. GB/T 10357.3-2013: Furniture mechanical performance test: chairs and stools, applicable for seat impact and leg strength testing; 4. GB 28007-2011: Furniture limits of harmful substances for upholstered furniture, applicable for formaldehyde and heavy metal content verification for leather and foam components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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