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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 700 x 1220 mm | |
|---|---|---|
| Seat height range | 550 mm | |
| Seat cushion size | 520 x 500 x 80 mm | |
| Backrest total height | 780 mm | |
| Lumbar support section height | 380 mm | |
| Upper back/headrest section height | 400 mm | |
| Armrest height above seat | 220 mm | |
| Five-star base diameter | 700 mm | |
| Back support strut width | 50 mm | |
| Caster diameter | 60 mm | |
| Seat depth from front edge to back | 500 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 maximum user weight | 150 kg | |
|---|---|---|
| Chair net weight | 25 kg | |
| Seat static load capacity | 136 kg | |
| Gas lift height adjustment stroke | 100 mm | |
| Seat tilt range | 12 degrees | |
| Caster rolling durability | 40000 cycles | |
| Warranty period for structural components | 5 years | |
| Structural component warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer back and armrest shells | 15mm thick bent plywood with walnut wood veneer finish, rounded polished edges | |
|---|---|---|
| Vertical back support strut | Polished chrome-plated 2mm thick steel, brushed metal finish | |
| Seat and back cushion padding | 55kg/m³ high-density polyurethane foam, 80mm thick on seat, 60mm thick on back | |
| Cushion upholstery | Black 1.2mm thick top-grain leather or high-grade polyurethane faux leather, 50000 double-rub abrasion resistance | |
| Five-star base | Polished chrome-plated 2.5mm thick steel, welded construction for high strength | |
| Gas lift cylinder | Class 3 50mm diameter chrome-plated steel gas lift, certified for height adjustment | |
| Tilt mechanism | 3mm thick black powder-coated steel multi-lock synchro-tilt chassis, located under seat | |
| Armrest pads | 40mm thick high-density foam padded with black upholstery matching seat, mounted on bentwood armrest shells | |
| Casters | 60mm diameter black polyurethane dual-wheel casters, with steel roller bearings | |
| Seam construction | 8 stitches per inch matching black thread stitching on upholstery edges | |
| Upholstery seam construction | 8 stitches per inch matching black UV-resistant thread stitching on all upholstery edges, reinforced stress points at seat front and armrest edges | |
| Seat support inner frame | 12mm thick multi-plywood seat pan, mounted to tilt mechanism with steel mounting bolts, provides rigid base for seat foam |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360 degree horizontal swivel enabled by central gas lift bearing, allows easy access to surrounding desk areas without repositioning the base | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical height adjustment controlled by side lever under seat, adjusts seat to match 760 mm standard desk heights | |
| Synchro tilt with multi-position lock | 12 degree backward tilt synchronized between seat and back at 1:2.5 ratio, lockable in upright and 3 intermediate recline positions for working or relaxed posture | |
| Tilt tension adjustment | Tension knob under front of seat adjusts tilt resistance to match user weight, preventing uncontrolled recline for different body sizes | |
| Dual-zone split back support | Separate upper back and lower lumbar panels with central vertical support, provides independent contouring for lumbar and upper back without rigid full back pressure | |
| Fixed padded armrest support | Curved bentwood armrests with soft padded tops, positioned at 220mm above seat to support forearms during typing and reduce shoulder strain | |
| Smooth rolling mobility | Polyurethane dual-wheel casters roll freely on hard concrete, tile, wood and low-pile carpet floors, with locking function not visible on reference unit | |
| Weight-activated stability | Five-star chrome base with 700mm footprint provides anti-tip stability during recline and movement, meets commercial furniture stability requirements | |
| Weight-activated anti-tip stability | Five-star chrome base with 700mm footprint provides anti-tip stability during 12 degree full recline and lateral movement, meets commercial furniture stability requirements for executive seating | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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 | 880 x 680 x 580 mm | |
| Gross shipping weight | 29 kg | |
| Shipping volume per unit | 0.35 CBM | |
| Assembly time per unit | 30 minutes | |
| 20ft GP container loading quantity | 78 units | |
| 40ft HQ container loading quantity | 192 units | |
| Packaging materials | 5-layer corrugated carton, 20mm EPS foam corner protection, plastic dust bag, hardware kit with assembly instructions | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Executive private office | Ideal for senior management and executive offices, matches walnut wood office desks and premium wood-finish office furniture for a cohesive professional aesthetic | |
|---|---|---|
| Boardroom and meeting rooms | Suitable for high-end boardrooms as seating for meeting participants and executives, provides comfortable support during multi-hour meetings | |
| Home executive office | Appropriate for high-end home workspaces, combines professional comfort with residential warm wood aesthetic that fits home interior decor | |
| Client reception areas | Can be used in premium client reception areas and manager interview rooms, projects a professional, high-quality impression to visitors | |
| Daily 8+ hour workstation use | Designed for full-time office workers requiring ergonomic support during extended work sessions, with split back support and tilting function to reduce fatigue | |
| Hard floor and low-pile carpet environments | Polyurethane casters perform well on polished concrete, tile, hardwood and low-pile commercial carpet floors without scratching surfaces | |
| Premium client reception areas | Can be used in high-end client reception areas and manager interview rooms, projects a professional, high-quality brand impression to visiting clients and candidates | |
| Hard floor commercial environments | Polyurethane casters perform without scratching on polished concrete, ceramic tile, hardwood and 8mm low-pile commercial carpet floors commonly found in premium office spaces |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office furniture - Office work chairs - Part 1: Dimensions - determination of dimensions, applies to dimensional compliance for office task chairs intended for 8+ hours daily use | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, applies to structural safety, stability and strength requirements | |
| EN 1335-3:2018 | Office furniture - Office work chairs - Part 3: Test methods, applies to standardized testing of strength, durability and stability performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 Test 5 | Backrest strength test - static load, applies to verifying backrest withstands 91kg static load without structural failure |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture: Main dimensions of tables, chairs and stools, applies to dimensional verification of seat height, seat depth, backrest height and armrest height for commercial office chairs | |
|---|---|---|
| GB/T 35456-2017 | Office furniture: office chair stability, strength and durability test methods, applies to static load, fatigue and stability performance testing | |
| GB 28007-2011 | General technical requirements for children's furniture does not apply; this product is intended for adult commercial office use, so compliance with adult furniture standards is required | |
| GB/T 16799-2008 | Furniture with leather upholstery, applies if genuine leather upholstery is specified, for verification of leather material performance and labeling | |
| GB 20210-2006 | General technical requirements for office furniture, applies to structural safety, edge finishing and material formaldehyde emission limits for commercial office seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture: Main dimensions of tables, chairs and stools, applies to dimensional verification of seat height, seat depth, backrest height and armrest height for commercial office chairs; 2. GB/T 35456-2017: Office furniture: office chair stability, strength and durability test methods, applies to static load, fatigue and stability performance testing; 3. GB 28007-2011: General technical requirements for children's furniture does not apply; this product is intended for adult commercial office use, so compliance with adult furniture standards is required; 4. GB/T 16799-2008: Furniture with leather upholstery, applies if genuine leather upholstery is specified, for verification of leather material performance and labeling; 5. GB 20210-2006: General technical requirements for office furniture, applies to structural safety, edge finishing and material formaldehyde emission limits for commercial office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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