| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 690 x 715 x 1280 mm | |
|---|---|---|
| Seat width | 600 mm | |
| Seat depth | 546 mm | |
| Seat height range (floor to seat top) | 620 mm | |
| Backrest height | 719 mm | |
| Backrest width | 600 mm | |
| Five-star base diameter | 700 mm | |
| Armrest height from floor (highest position) | 785 mm | |
| Caster diameter | 55 mm | |
| Internal seat frame thickness | 18 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 weight | 21 kg | |
|---|---|---|
| Maximum recommended user weight | 125 kg | |
| Cushion foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Foam rebound rate | 60% | |
| Cushion foam thickness | 80 mm | |
| Backrest foam thickness | 60 mm | |
| Seam stitch pitch | 8 mm | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Caster rolling durability | 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Gray polyurethane (faux leather) | |
|---|---|---|
| Seat and back filling | Molded high-density polyurethane foam | |
| Five-star base | Chrome-plated steel | |
| Armrest support structure | Upholstered padded frame with internal steel reinforcement | |
| Armrest top padding | PU-covered foam padding matching seat upholstery | |
| Central gas lift column | Chrome-plated steel Class 3 pneumatic lift | |
| Tilt mechanism plate | 3mm thick stamped steel | |
| Caster wheels | 55mm dual-wheel PU casters with black housing and chrome accent | |
| Internal seat frame | 18mm thick plywood support panel | |
| Internal backrest frame | 1.2mm thick steel tube framing | |
| Upholstery lining | Non-woven fabric backing | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 120mm pneumatic lift, controlled by side lever for 620 mm seat height | |
|---|---|---|
| Swivel function | 360-degree full rotation around central gas lift column | |
| Backrest tilt function | Synchronous tilt with tension adjustment and upright lock position | |
| Mobility function | Dual-wheel casters for smooth rolling on hard floors and low-pile carpet | |
| Fixed armrest support | Stationary padded armrests positioned at seated elbow height for forearm support | |
| Tilt tension control | Knob-adjustable tilt resistance to match user weight for recline comfort | |
| Backrest lock | Upright position lock to fix backrest for forward-focused desk work | |
| Weight-activated stability | Five-star base geometry provides anti-tip stability during recline and swivel | |
| Gas lift stroke | 120 mm | |
| 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 office use | Suitable for private executive offices, providing plush comfort for long work sessions | |
|---|---|---|
| Home office workspace | Fits modern home office setups for professional remote work seating | |
| Conference room seating | Appropriate for meeting and conference rooms for formal guest and executive seating | |
| Management workstation | Designed for manager and supervisor workstations requiring all-day seated support | |
| Commercial office fit-outs | Suitable for bulk procurement for corporate office refurbishment projects | |
| Hard floor and low-pile carpet use | Dual casters operate smoothly on standard office flooring without damaging surfaces | |
| 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 - Dimensions, applicable to dimensional verification | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Safety requirements, applicable to structural safety | |
| EN 1335-3:2020 | Office furniture - Office work chairs - Test methods, applicable to durability verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for general purpose office chairs, applicable for commercial durability and safety testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Standard for large occupancy office chairs, applicable for weight capacity verification |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal structural components | |
|---|---|---|
| GB/T 22800-2009 | General technical requirements for office chairs, applicable to structural safety testing | |
| GB 18584-2001 | Indoor decoration materials limit of harmful substances for furniture, applicable to upholstery and foam |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal structural components; 2. GB/T 22800-2009: General technical requirements for office chairs, applicable to structural safety testing; 3. GB 18584-2001: Indoor decoration materials limit of harmful substances for furniture, applicable to upholstery and foam; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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