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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W × D × adjustable H) | 690 × 690 × 980 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 510 mm | |
| Maximum seat height (floor to top of seat cushion) | 550 mm | |
| Minimum seat height (floor to top of seat cushion) | 420 mm | |
| Backrest height (seat surface to top of back) | 480 mm | |
| Backrest width at widest point | 610 mm | |
| Armrest height above seat surface | 200 mm | |
| 5-star base diameter (caster center to caster center) | 680 mm | |
| Caster wheel diameter | 60 mm | |
| Seat cushion thickness | 70 mm | |
| Backrest padding thickness | 50 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended user weight capacity | 136 kg | |
|---|---|---|
| Chair net weight (assembled) | 20 kg | |
| 5-star base static load rating | 1200 kg | |
| Cushion foam density | 55 kg/m³ | |
| Cushion foam rebound resilience | 40% | |
| Upholstery abrasion resistance (Martindale cycles) | 50000 cycles | |
| Upholstery colorfastness grade (dry/wet rub) | 4 | |
| Gas lift adjustment cycle rating | 100000 cycles | |
| Caster rolling durability cycles | 98000 cycles | |
| Backrest fatigue test rating | 120000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Smooth tan PU/faux leather (visual match; leather/PU blend optional) | |
|---|---|---|
| Seat cushion core | Molded high-resilience polyurethane foam | |
| Backrest padding core | Shaped polyurethane foam | |
| Internal support frame | 1.5mm thick powder-coated steel tube | |
| 5-star swivel base | 1.2mm thick polished chrome-plated steel | |
| Central height adjustment column | 60mm diameter chrome-plated steel pneumatic gas lift (Class 3) | |
| Caster wheels | 60mm diameter black nylon dual-wheel casters | |
| Tilt mechanism under seat | 2.5mm thick steel plate swivel tilt mechanism with tension adjustment | |
| Seam construction | Uniform stitched seams with 8mm stitch pitch | |
| Armrest structure | Integrated one-piece upholstered curved armrests, foam-padded with matching tan upholstery | |
| 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
| Pneumatic height adjustment | 100mm vertical stroke via side actuated lever, adjusts seat height between 420mm and 550mm | |
|---|---|---|
| Tilt and recline function | Swivel tilt mechanism with 15° maximum backward recline from upright 90° position, tension adjustment knob to match user weight | |
| Upright tilt lock | Lockable in full upright 90° position for focused desk work, unlockable for free rocking | |
| Rolling mobility | 5 dual-wheel casters allow smooth omnidirectional movement on hard tile or low-pile carpet floors | |
| Integrated arm support | Fixed curved armrests positioned 200mm above seat surface, provide forearm support during typing tasks | |
| Contoured back support | Wing-shaped curved backrest provides mid-back lumbar support and side torso support during seated work | |
| 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 (L × W × H) | 750 × 650 × 600 mm | |
| Shipping gross weight | 20 kg | |
| Shipping volume per unit (CBM) | 0.293 CBM | |
| assembly time | 30 minutes | |
| 40ft HQ container loading quantity | 340 units | |
| Standard packaging contents | 1 upholstered seat/back assembly, 1 chrome 5-star base, 5 casters, 1 gas lift cylinder, 1 hardware pack, 1 assembly tool, 1 instruction manual | |
| 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
| Home office workspace | Suitable for residential home offices, with contemporary tan upholstery and polished chrome finish that complements modern, mid-century or Scandinavian interior design while providing functional task seating for desk work | |
|---|---|---|
| Small business open office | Appropriate for startup and small business open plan offices, lightweight rolling design allows easy reconfiguration, while professional appearance works for both workstations and short-term meeting areas | |
| Executive private office | Suitable for junior executive or manager private offices, polished chrome finish and curved upholstered design offers a more stylish alternative to standard mesh or black leather task chairs | |
| Co-working shared space | Ideal for co-working facility hot desks and dedicated workstations, durable commercial-grade components withstand frequent user rotation and height adjustment, while neutral tan color matches diverse decor schemes | |
| Meeting and conference rooms | Appropriate for small conference rooms and boardroom side seating, 360° swivel and rolling mobility allows easy interaction during meetings, while padded seat and back provides comfort for 2 hour meeting durations | |
| Reception and guest seating | Suitable for office reception areas and guest seating zones, inviting curved silhouette and warm tan color creates a welcoming first impression, while swivel and height adjustment accommodate different visitor preferences | |
| 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 - Determination of dimensions, specifies ergonomic dimensional ranges for task chairs suitable for European market procurement | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, specifies structural stability, strength and safety performance requirements for office chairs | |
| EN 1335-3:2020 | Office furniture - Office work chairs - Part 3: Test methods, defines standardized test procedures for verifying safety and durability performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office Chairs - Safety and Performance Standard, specifies minimum performance, durability and structural safety requirements for general-purpose office chairs suitable for North American market procurement | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Office Chairs for Large Persons, optional higher load rating standard if this chair is specified for users over 136kg, requiring enhanced structural testing |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable if internal structural components include wood-based panels, specifying surface finish and structural performance requirements | |
|---|---|---|
| GB 20210-2006 | Safety of furniture - Seating furniture, specifies anti-tipping, structural strength and safety gap requirements for all office seating products |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable if internal structural components include wood-based panels, specifying surface finish and structural performance requirements; 2. GB 20210-2006: Safety of furniture - Seating furniture, specifies anti-tipping, structural strength and safety gap requirements for all office seating products; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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