| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 680 x 1080 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 480 mm | |
| Seat height range | 510 mm | |
| Backrest height | 640 mm | |
| Backrest width | 490 mm | |
| Fixed armrest height above seat | 230 mm | |
| Armrest pad length | 280 mm | |
| 5-star base radius | 340 mm | |
| Caster diameter | 60 mm | |
| Seat front edge thickness | 80 mm | |
| Backrest side panel thickness | 18 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 | 21 kg | |
|---|---|---|
| Maximum static user weight capacity | 150 kg | |
| Seat foam density | 55 kg/m³ | |
| Backrest foam density | 45 kg/m³ | |
| Tilt mechanism dynamic load rating | 136 kg | |
| Caster rolling durability | 100000 cycles | |
| Gas lift cycle rating | 120000 cycles | |
| Recommended maximum daily usage duration | 8 hours | |
| Seat foam core density | 55 kg/m³ | |
| Backrest foam core density | 45 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery | Top-grain cognac brown leather with edge stitching | |
|---|---|---|
| Backrest upholstery | Top-grain cognac brown leather with matching edge stitching | |
| Backrest outer shell | Matte light gray rigid molded composite panel | |
| Armrest pads | Solid wood with cognac brown finish matching upholstery | |
| Armrest support brackets | Polished die-cast aluminum alloy with brushed silver finish | |
| Seat underframe shell | Matte light gray rigid molded composite panel | |
| Tilt mechanism | 3mm thick powder-coated black steel plate | |
| Height adjustment gas lift | 50mm diameter Class 3 chrome-plated steel gas lift | |
| 5-star base | Polished die-cast aluminum alloy with brushed silver finish | |
| Casters | 60mm diameter black hard nylon dual-wheel casters | |
| Seat cushion core | High-resilience polyurethane foam with curved waterfall front edge | |
| Backrest core | Contoured high-resilience polyurethane foam |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment across 80mm stroke via side lever, adjusts from 430mm to 510mm seat height | |
|---|---|---|
| Backrest tilt function | Synchronized tilt allowing 12-degree back recline with 3-degree matching seat tilt, lockable in upright position | |
| 360-degree swivel rotation | Full rotating seat and back assembly around central gas lift axis | |
| Fixed armrest support | Non-adjustable height fixed armrests providing stable forearm support at 230mm above seat surface | |
| Caster mobility | Dual-wheel casters allowing omnidirectional movement on hard floors and low-pile carpet, 360-degree swivel per caster | |
| Waterfall seat edge design | Curved front seat edge reducing pressure on popliteal blood vessels during extended sitting | |
| Contoured mid-back support | Ergonomic back curvature aligned to lumbar spine, providing support from lumbar region to mid-shoulder | |
| Tilt tension adjustment | Rotary knob under seat adjusting tilt resistance to match user weight between 50kg and 150kg | |
| Omnidirectional caster mobility | Dual-wheel casters allowing free omnidirectional movement on hard floors and low-pile carpet, each caster swivels 360 degrees | |
| 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 | |
|---|---|---|
| Shipping carton dimensions | 720 x 680 x 580 mm | |
| Gross shipping weight | 25 kg | |
| Shipping volume per unit | 0.284 CBM | |
| Assembly time per unit | 20 minutes | |
| 20ft GP container loading quantity | 105 units | |
| 40ft HQ container loading quantity | 260 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Executive private office use | Suitable for director and executive private offices, premium cognac leather and polished aluminum finish matches high-end wood office desk setups | |
|---|---|---|
| Corporate boardroom and meeting room use | Suitable for formal boardrooms and client meeting rooms, fixed armrests and sleek profile provide professional appearance and guest comfort | |
| Home office premium workspace use | Suitable for high-end home offices, durable leather construction and ergonomic support accommodate remote work and video conference use | |
| Executive workstation open plan use | Suitable for senior management workstations in open plan offices, swivel and mobility function allows easy collaboration with adjacent team members | |
| Height compatibility | Pairs with 760 mm high standard office desks and executive writing tables, adjustable seat height ensures correct ergonomic typing posture | |
| Floor surface compatibility | Nylon casters suitable for hard wood, tile, and low-pile carpet office floors; soft tread casters available as option for high-pile carpet | |
| Recommended user demographic | Designed for adult users 155cm to 190cm tall, mid-back support and seat dimensions accommodate a wide range of body types within 150kg weight capacity | |
| Senior management open plan workstation use | Suitable for senior management workstations in open plan offices, 360-degree swivel and caster mobility allows easy collaboration with adjacent team members without chair repositioning |
EU Market Access Requirements* EN Standards
| Office chair strength and durability requirement | EN 1335:2009 Office furniture - Office work chairs - Part 2: Safety requirements, 1100N static seat load test without structural failure | |
|---|---|---|
| Upholstery fabric abrasion requirement | EN 14465:2004 Upholstery fabrics - Specification and test methods, minimum 50000 Martindale cycles abrasion resistance | |
| Caster durability requirement | EN 12529:1998 Castors and wheels - Castors for furniture - Castors for swivel chairs, 100000 cycle rolling test without failure | |
| Ergonomic dimensional requirement | EN 1335:2000 Office furniture - Office work chairs - Part 1: Dimensions, seat depth 470 mm adjustable or fixed with appropriate thigh clearance |
US and Canada office-furniture standards
| General office chair safety requirement | ANSI/BIFMA X2017Office Chairs - Tests, minimum 136kg static seat load rating without structural failure | |
|---|---|---|
| Base static load requirement | ANSI/BIFMA X2017Clause 18 Five-star base static load test, 1136kg vertical static load without fracture | |
| Caster durability requirement | ANSI/BIFMA X2017Clause 12 Caster durability test, 98000 cycle rolling obstruction test without component failure | |
| Tilt mechanism cycle requirement | ANSI/BIFMA X2017Clause 8 Backrest tilt cycle test, 300000 tilt cycles without mechanism failure |
Standards applicable to China-market projects
| Seat height adjustability requirement | GB/T 3326General technical requirements for office furniture: chairs, seat height range 440 mm minimum to 560 mm maximum | |
|---|---|---|
| Stability requirement | GB/T 10357.2Furniture mechanical performance test: chair stability, no tipping under 600N forward and lateral static load | |
| Upholstery leather durability requirement | GB/T 16799Furniture leather, minimum 50000 double rubs abrasion resistance for heavy use office furniture | |
| Metal coating adhesion requirement | GB/T 1979Paint film adhesion test, minimum Grade 1 adhesion for metal frame and base coatings |
This product must meet the following technical requirements: 1. Seat height adjustability requirement: GB/T 3326General technical requirements for office furniture: chairs, seat height range 440 mm minimum to 560 mm maximum; 2. Stability requirement: GB/T 10357.2Furniture mechanical performance test: chair stability, no tipping under 600N forward and lateral static load; 3. Upholstery leather durability requirement: GB/T 16799Furniture leather, minimum 50000 double rubs abrasion resistance for heavy use office furniture; 4. Metal coating adhesion requirement: GB/T 1979Paint film adhesion test, minimum Grade 1 adhesion for metal frame and base coatings; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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