| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 650 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 480 mm | |
| Seat height range maximum | 540 mm | |
| Backrest height | 720 mm | |
| Backrest width | 500 mm | |
| Headrest width | 280 mm | |
| Headrest height adjustment maximum | 120 mm | |
| Armrest height from seat maximum | 230 mm | |
| 5-star base diameter | 680 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 | 120 kg | |
|---|---|---|
| Chair net weight reference | 18 kg | |
| Gas lift static load rating | 150 kg | |
| Caster rolling durability cycles | 100000 cycles | |
| Backrest tilt lock recline maximum angle | 12 degrees | |
| Foam indentation load deflection | 45 kg | |
| Backrest tilt maximum angle | 12 degrees | |
| Seam pitch | 5 mm | |
| Upholstery abrasion resistance rating | 20000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Black PVC faux leather with smooth finish | |
|---|---|---|
| Seat cushion core foam | High-density polyurethane foam, 60 mm thick | |
| Backrest internal support frame | Plywood or plastic composite panel with foam overlay | |
| Headrest | PVC faux-leather wrapped foam pad on black plastic mounting post | |
| Armrests | Black hard plastic T-shaped top pad with plastic support bracket | |
| 5-star base | Matte black painted steel radial base | |
| Gas lift cylinder | Black coated steel pneumatic cylinder | |
| Casters | Black 60 mm dual-wheel hard-floor casters with plastic housing | |
| Control mechanism housing | Black steel chassis plate under seat | |
| Backrest foam padding | High-density polyurethane foam, 40 mm thick, 35 kg/m³ density | |
| Headrest assembly | PVC faux-leather wrapped 30 mm thick foam pad on black plastic mounting post | |
| Control mechanism chassis | 3.0 mm thick black steel plate under seat |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic gas lift operated by right-side lever, providing vertical adjustment up to 100 mm | |
|---|---|---|
| Swivel function | 360-degree continuous rotation around central gas lift axis | |
| Backrest tilt with lock | Synchronous tilt mechanism locking in up to 3 positions within 12-degree recline range | |
| Fixed armrest support | Stationary T-pad armrests providing forearm support at fixed height relative to seat | |
| Mobility | Five dual-wheel casters enabling smooth rolling on hard office floors and low-pile carpet | |
| Weight distribution | Five-point base geometry provides stable support and resists tipping during normal seated movement | |
| 360-degree swivel | Continuous full rotation around central gas lift axis without travel limitation | |
| Backrest synchronous tilt with lock | Synchronous tilt mechanism locking in 3 positions within 12-degree recline range, with spring tension adjustment | |
| Fixed height armrest support | Stationary T-pad armrests providing forearm support at 230 mm height relative to seat surface | |
| Multi-surface mobility | Five dual-wheel 60 mm casters enabling smooth rolling on hard office floors and low-pile carpet up to 6 mm pile height | |
| Height-adjustable headrest | Headrest with 120 mm vertical travel via sliding post, providing neck support for varying user heights | |
| Anti-tip stability | Five-point 680 mm diameter base geometry provides stable support and resists tipping during normal seated movement up to 120 kg user weight |
Verified carton / gross weight / assembly / loading data
| Packaging carton count | 1 unit per carton | |
|---|---|---|
| Carton dimensions | 780 x 320 x 680 mm | |
| Gross weight per carton | 21 kg | |
| Volume per carton | 0.17 CBM | |
| Assembly time | 30 minutes | |
| 20ft container loading quantity | 180 units | |
| 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 |
Recommended spaces / users / usage modes
| Executive office suites | Suitable for private executive offices and management workstations, providing formal appearance and ergonomic support for long working hours | |
|---|---|---|
| Conference rooms | Appropriate for head-of-table and leadership seating in boardrooms and premium meeting spaces | |
| Home office workspaces | Suitable for dedicated home office setups requiring supportive seating for remote work and video conferencing | |
| Reception and visitor areas | Can be used as premium seating for visitor areas outside executive offices to maintain consistent brand aesthetic | |
| Ergonomic use case | Supports users up to 120 kg during daily 8-hour seated work, with adjustable height and headrest for basic posture customization | |
| Daily office task use | Supports users up to 120 kg during routine office work, with adjustable height and headrest for basic posture customization | |
| 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 chair - Part 1: Dimensions - Determination of stability | Applicable for office chair dimensional stability requirements | |
|---|---|---|
| EN 1335-2:2019 Office furniture - Office chair - Part 2: Mechanical safety requirements | Applicable for structural safety and strength requirements of office chairs |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 General Purpose Office Chairs - Tests | Applicable for durability, stability and structural performance testing of executive office chairs |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 Furniture - Chairs and stools - Determination of stability | Applicable for static stability testing of office seating | |
|---|---|---|
| GB/T 10357.3-2013 Furniture - Mechanical and chemical properties of furniture components - Part 3: Determination of strength and durability of seats and backs of chairs | Applicable for seat and back strength and durability testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016 Furniture - Chairs and stools - Determination of stability: Applicable for static stability testing of office seating; 2. GB/T 10357.3-2013 Furniture - Mechanical and chemical properties of furniture components - Part 3: Determination of strength and durability of seats and backs of chairs: Applicable for seat and back strength and durability testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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