| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions | 690 x 762 x 1196 mm | |
|---|---|---|
| Seat width | 533 mm | |
| Seat depth | 483 mm | |
| Seat height | 597 mm | |
| Back height | 686 mm | |
| Back width | 533 mm | |
| Seat cushion thickness | 140 mm | |
| Back cushion thickness | 127 mm | |
| Inside arm clearance | 521 mm | |
| Armrest height above floor | 762 mm | |
| Five-star base diameter | 711 mm | |
| Caster wheel size | 51 x 48 mm | |
| Gas-lift visible column diameter | 50 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
Data source: Product performance data; verify exact test conditions before procurement.
| Recommended user weight capacity | 125 kg | |
|---|---|---|
| Net weight | 29 kg | |
| Daily task-use target | 8 hours | |
| Seat foam density | 45 kg/m3 | |
| Back foam density | 40 kg/m3 | |
| Foam rebound rating | 42% | |
| Static seat load acceptance | 250 kg | |
| Base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Warranty duration | 5 years |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Outer upholstery | Black full-grain or corrected-grain leather visual with stitched panel edges; exact hide grade needs BOM verification. | |
|---|---|---|
| Alternative upholstery risk | PU, bicast leather, or bonded leather may be substituted on unbranded versions. | |
| Seat padding | Molded polyurethane foam cushion with a 140 mm thick padded top. | |
| Back padding | Layered polyurethane foam over a rigid load-bearing back board, 127 mm maximum visible cushion thickness. | |
| Internal seat board | 12 mm bent plywood or molded composite seat carrier. | |
| Internal back board | 10 mm bent plywood or reinforced thermoplastic back carrier. | |
| Armrest pads | Black upholstered padded tops aligned continuously with the seat and back. | |
| Arm supports | Black painted or powder-coated rigid supports with fixed front and rear mounts. | |
| Gas-lift cylinder | Chrome-plated steel telescoping cylinder, specified procurement grade Class 3. | |
| Five-star base | Polished chrome-plated metal five-star base with rounded tubular legs. | |
| Casters | Black nylon or polyurethane twin-wheel swivel casters with brake-free stems. | |
| Mechanism cover | Black steel tilt mechanism with polymer lever handle and exposed adjustment paddle. |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Seat height adjustment | Pneumatic gas-lift raises the seat through a 143 mm vertical stroke using the right-side paddle. | |
|---|---|---|
| 360-degree swivel | Central bearing allows full rotation while the chrome base and casters remain stationary. | |
| Back tilt movement | Center-tilt mechanism reclines the seat and back together to a 15-degree rearward angle. | |
| Tilt lock | Single-lever lock secures the chair in the upright task position or releases it for controlled recline. | |
| Tilt tension control | Rotating knob adjusts rearward resistance for users up to 125 kg. | |
| Fixed arm support | Padded arms remain at 762 mm floor height and do not pivot, lift, or change width. | |
| Lumbar support | Contoured lower back padding provides built-in lumbar contact without an adjustable depth mechanism. | |
| Mobility | Five twin-wheel casters provide rolling movement on carpet, wood, tile, or chair mats. | |
| Caster braking | No individual wheel brakes are fitted, so the chair moves freely when occupied or unoccupied. | |
| Assembly method | Base, gas lift, seat-back unit, arms, and casters assemble without welded field joints. | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
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 | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Executive office | Suits managers and executives who need formal appearance, high-back support, and desk-based task movement. | |
|---|---|---|
| Managerial workstation | Pairs with 720 to 760 mm high executive desks and 1200 to 1800 mm wide work surfaces. | |
| Conference or meeting room | Suitable for prolonged meetings where rolling mobility and a polished business appearance are required. | |
| Private office reception area | Provides visitor seating behind a writing surface while retaining a professional leather aesthetic. | |
| Home office | Recommended for users requiring lumbar support, swivel access, and height adjustment at a computer desk. | |
| Commercial procurement standardization | Suitable for batch purchasing where one black chair model is used across offices and management rooms. | |
| 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 office seating dimensions | Use to verify seat, back, clearance, and adjustment dimensional safety. | |
|---|---|---|
| EN 1335-2 office seating safety | Require structural safety, stability, and mechanism verification for commercial purchasing. | |
| EN 1335-3 office seating tests | Use specified structural test methods for seat, back, arm, gas lift, and base validation. |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 office chairs | Use back, seat, arm, base, stability, and caster tests for North American commercial acceptance. | |
|---|---|---|
| ANSI/BIFMA X5.4 lounge seating exclusion | Do not apply lounge seating criteria to this adjustable wheeled task chair. |
Standards applicable to China-market projects
| GB/T 10357.2 furniture mechanical test | Apply chair back-strength and durability test methods for procurement verification. | |
|---|---|---|
| GB/T 10357.3 furniture mechanical test | Apply chair seat and back static-load and fatigue test methods before bulk acceptance. | |
| GB 28007 furniture safety | Use as the Chinese children's furniture safety reference only if a child-use variant is ordered. |
This product must meet the following technical requirements: 1. GB/T 10357.2 furniture mechanical test: Apply chair back-strength and durability test methods for procurement verification.; 2. GB/T 10357.3 furniture mechanical test: Apply chair seat and back static-load and fatigue test methods before bulk acceptance.; 3. GB 28007 furniture safety: Use as the Chinese children's furniture safety reference only if a child-use variant is ordered.; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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