| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 750 x 1260 mm | |
|---|---|---|
| Seat width | 550 mm | |
| Seat depth | 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
| Net product weight | 23 kg | |
|---|---|---|
| Maximum static weight capacity | 227 kg | |
| Seat foam density | 50 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Upholstery Martindale abrasion resistance | 100000 cycles | |
| Gas lift cycle durability | 100000 height adjustments | |
| Caster rolling durability | 100000 rolling cycles | |
| Recline mechanism static load rating | 150 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery | 1.2mm thick beige PU leather | |
|---|---|---|
| Seat padding | High-density cold-cure polyurethane foam | |
| Backrest padding | Layered high-density foam with built-in lumbar support | |
| Armrests | Chrome-plated steel frame with matching PU leather padding | |
| Five-star base | 1.5mm thick polished chrome-plated steel | |
| Casters | Soft polyurethane dual-wheel casters with chrome trim rings | |
| Internal frame | 1.2mm thick welded steel support frame with reinforced wood seat base | |
| Recline chassis | 2.5mm thick reinforced steel tilt mechanism plate | |
| Seam stitching | Reinforced polyester thread with 8mm stitch pitch | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central gas lift and 5-star base | |
|---|---|---|
| Pneumatic seat height adjustment | 120mm vertical travel via under-seat control lever | |
| Lockable backrest recline | 155° maximum recline angle with infinite position lock | |
| Tilt tension adjustment | User-adjustable tension knob matches user weight for recline resistance | |
| Retractable padded footrest | 450mm slide-out extension from under front seat edge | |
| Side-mounted recline control lever | Chrome-finished lever positioned on right seat side to actuate recline lock | |
| Smooth multi-surface rolling | PU casters roll safely on hard floors and low-pile carpet without scratching | |
| Integrated head and lumbar support | Segmented back padding supports cervical and lumbar spine in upright and reclined positions | |
| 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
| 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
| Executive private office use | High-back design supports full-day work and reclined rest for management staff | |
|---|---|---|
| Home office workspace | Neutral beige upholstery and padded design matches modern residential office decor | |
| Conference room manager seating | Professional appearance and swivel function suit formal meeting spaces | |
| Reception and VIP guest areas | Padded armrests and recline function provide comfortable seating for guests | |
| Daily 8-hour office use | High-density foam and durable components meet commercial office use requirements | |
| Hard floor and carpeted spaces | Soft PU casters avoid scratching wood/tile and roll smoothly on carpet | |
| 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 - safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements | |
| EN 1335-3:2009 | Office furniture - Office work chairs - Part 3: Test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for general-purpose office chairs: strength, durability and stability | |
|---|---|---|
| BIFMA G1-2013 | Ergonomic guidelines for office furniture seating used in commercial spaces |
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture: desk and chair dimensional stability and measurement standard | |
|---|---|---|
| GB/T 10357.3-2013 | Furniture mechanical performance test for chairs and stools: strength and durability | |
| GB 18584-2001 | Indoor decorating and refurbishing materials: limit of harmful substances in furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture: desk and chair dimensional stability and measurement standard; 2. GB/T 10357.3-2013: Furniture mechanical performance test for chairs and stools: strength and durability; 3. GB 18584-2001: Indoor decorating and refurbishing materials: limit of harmful substances in furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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