Physical Dimensions
Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions (W × D × H) | 660 × 680 × 1180 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height adjustment range | 520mm | |
| Backrest height (top of seat to top of back frame) | 720 mm | |
| Headrest dimensions (W×H) | 300 × 180 mm | |
| Headrest vertical adjustment range | 60 mm | |
| Armrest height above seat (fixed/ adjustable range) | 260mm | |
| Five-star base radius (center to caster axle) | 320 mm | |
| Knee clearance under seat at lowest height | 170 mm | |
| Backrest width at lumbar region | 460 mm | |
| Caster diameter | 50 mm | |
| Seat width (usable surface between armrests) | 490mm | |
| Seat depth (front edge to seat-back junction) | 480mm | |
| Seat height adjustment range (floor to seat top) | 520mm | |
| Backrest height (seat top to top of back frame, excluding headrest) | 630mm |
Weight, Load & Performance
Net weight / load capacity / users / durability
Data source: Product performance data; verify exact test conditions before procurement.
| Net weight range | 18kg | |
|---|---|---|
| Seat static load capacity | 136 kg | |
| Gas lift cycle life | ≥100,000 height adjustments | |
| Caster rolling durability | ≥100,000 rolling cycles without failure | |
| Seat foam density | 50kg/m³ (molded high-density foam) | |
| Back mesh tensile strength | ≥200 N/5cm | |
| Suggested daily usage duration | 8 hours per workday | |
| Seat foam density (cushion core) | 55kg/m³ molded high-density polyurethane foam | |
| Maximum recommended user weight | 120kg | |
| Seat Foam Density / Rebound Reference | 45kg/m³ / 65% |
Materials & Structure
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Backrest support frame | Black reinforced nylon frame with geometric mesh support structure | |
|---|---|---|
| Backrest upholstery | Black breathable woven polyester mesh | |
| Seat upholstery | Black abrasion-resistant fabric or PU leather over foam | |
| Seat cushion core | Molded high-density polyurethane foam, 50mm thick | |
| Headrest | Curved reinforced nylon frame with matching black mesh upholstery, padded edge | |
| Armrests | Height-adjustable reinforced nylon support posts with soft PU contact pads | |
| Central support column | Chrome-plated steel outer sleeve with Class 3 steel gas lift internal cylinder | |
| Five-star base | Glass-fiber reinforced nylon molded five-prong base, 2.5mm wall thickness | |
| Casters | Black hard nylon dual-wheel casters, suitable for hard floors and low-pile carpet | |
| Recline/height mechanism | 1.8mm thick steel multi-function synchro tilt mechanism under seat | |
| Upholstery seam stitch pitch | 8 stitches per inch | |
| Back lumbar support structure | Integral curved nylon rib molded into back frame to support natural lumbar curve |
Functions & Adjustment
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Seat height adjustment | Pneumatic height adjustment via right-side lever, 100mm total stroke to set seat to 520mm height | |
|---|---|---|
| Backrest recline function | Synchro tilt mechanism allowing 120° back recline with tension adjustment knob under seat, lockable at upright position | |
| Headrest adjustment | Vertical height adjustment (60mm travel) and ±15° angle tilt to align with user neck curve | |
| Armrest adjustment | 1D height adjustment (60mm vertical travel) to match desk height and user elbow position, fixed horizontal position | |
| Swivel function | 360° unlimited rotation around central gas lift axis for full workspace access | |
| Mobility function | Five dual-wheel casters enabling smooth omnidirectional movement on standard office flooring | |
| Lumbar support | Contoured rigid frame integrated into backrest mesh structure to support natural lumbar curve | |
| Tilt tension control | Rotary knob under seat adjusts recline resistance to match user body weight (120kg range) | |
| Lumbar support function | Integrated contoured frame support positioned at 220mm above seat surface to maintain natural lumbar lordosis during upright sitting | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Packaging & Logistics
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm | |
| Reference Packaged Gross Weight | 23kg/set | |
| Reference Carton Volume | 0.26m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Applications & Usage
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Corporate open-plan office workstations | Suitable for 8-hour daily use by general office staff, with breathable mesh back for long-sitting comfort and swivel/mobility for workstation access | |
|---|---|---|
| Home office workspaces | Adjustable height and recline features suit mixed work and study use, compact footprint fits standard home desk sizes | |
| Conference and meeting rooms | Uniform black finish and professional appearance suit formal meeting spaces, swivel and rolling access for collaborative seating | |
| Co-working shared workspaces | Durable construction and standard adjustability suit rotating users of varying heights and body types, easy maintenance mesh back resists soiling | |
| Call center and 24/7 operation stations | Padded seat and breathable back support extended shift use, reinforced frame and casters withstand high-frequency adjustment and movement | |
| Training room seating | Stackable? No, but lightweight rolling design allows easy reconfiguration for training sessions, adjustable height fits standard training tables | |
| Call center and multi-shift operation stations | Contoured foam seat and breathable back support extended 8 hour shifts, reinforced steel mechanism and Class 3 gas lift withstand high-frequency height adjustment and recline use across 24/7 operation schedules | |
| Training room flexible seating | Lightweight 18kg assembled weight and rolling casters allow quick reconfiguration of room layouts for training sessions and group activities, adjustable seat height fits standard 760mm high training tables |
EU Market Entry Requirements * EN Standards
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable standard for office work chairs: dimensional, safety and strength requirements for task seating | |
|---|---|---|
| EN 1335-2:2018 | Applicable standard for office work chairs: safety requirements for structural integrity and component performance | |
| EN 1022:2018 | Applicable standard for furniture: seating stability determination for all chair types |
North America Purchasing & Inspection Reference * ANSI/BIFMA Standards
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Test 5 | Applicable backrest static strength test requirement: 68kg static load applied to top of backrest for 1 minute without structural failure | |
|---|---|---|
| Maximum recommended user weight | 120 kg | |
| Backrest static load capacity | 68kg applied at back top without structural failure |
Standards Applicable to China-Market Projects * GB Standards
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office furniture: chair dimensional accuracy and stability requirements for testing and acceptance | |
|---|---|---|
| GB/T 3327-2017 | Applicable standard for office furniture: chair mechanical performance test methods for strength, durability and stability | |
| GB 18584-2001 | Applicable standard for indoor decoration materials: limit of harmful substances in furniture for formaldehyde and VOC emission testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office furniture: chair dimensional accuracy and stability requirements for testing and acceptance; 2. GB/T 3327-2017: Applicable standard for office furniture: chair mechanical performance test methods for strength, durability and stability; 3. GB 18584-2001: Applicable standard for indoor decoration materials: limit of harmful substances in furniture for formaldehyde and VOC emission testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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