| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 680 x 690 x 1190 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 500 mm | |
| Adjustable seat height range maximum | 530 mm | |
| Backrest height from seat | 630 mm | |
| Armrest height from seat | 230 mm | |
| Five-star base leg span diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Backrest width | 520 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 user weight capacity | 159 kg | |
|---|---|---|
| Net chair weight | 21 kg | |
| Seat foam density | 50 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Foam rebound rate | 60% | |
| Structural warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and front backrest upholstery | 1.2mm thick smooth PU leather | |
|---|---|---|
| Rear backrest accent panel | 15mm curved plywood with walnut veneer closed-paint finish | |
| Seat cushion padding | 80mm thick high-density polyurethane foam | |
| Backrest padding | 60mm thick high-density polyurethane foam | |
| Five-star swivel base | 3mm thick polished die-cast aluminum alloy | |
| Pneumatic height gas lift | Chrome-plated SGS/BIFMA-rated steel cylinder | |
| Tilt mechanism chassis | 3mm thick stamped steel with black powder coat | |
| Armrests | Integrated padded PU covering over rigid steel support frame | |
| Caster wheels | 60mm diameter black dual-wheel polyurethane casters | |
| Internal seat support board | 20mm thick multi-layer plywood | |
| Seam stitching | 8 stitches per inch uniform upholstery seam | |
| Rear back edge trim | Chrome-plated steel accent strip along wood-upholstery junction |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | 125mm vertical travel via side lever, adjusts from 405mm to 530mm | |
|---|---|---|
| Tilt function | Synchronized 12-degree backward recline with user-adjustable tension knob | |
| Tilt lock mechanism | 4-position recline lock to secure preferred working posture | |
| Swivel function | 360-degree full rotation for easy desk area access without repositioning base | |
| Mobility function | Dual-wheel casters roll smoothly on hard floors and low-pile carpet | |
| Arm support function | Fixed padded armrests support forearms at standard desk typing height | |
| Lumbar support | Contoured mid-back padding provides built-in lumbar support for long seating | |
| 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 | Formal high-back design supports extended seating for managers and directors | |
|---|---|---|
| Corporate meeting room | Professional aesthetic suits formal conference and boardroom seating arrangements | |
| Home executive office | Contemporary style complements premium residential workspace interiors | |
| Hotel business center | Durable commercial construction supports high-traffic guest office use | |
| Executive reception area | Polished finish creates professional first impression for visitor seating | |
| Height-adjustable standing desk | 530mm maximum seat height pairs with standard sit-stand desk 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 seating, dimensional safety and strength requirements | |
|---|---|---|
| EN 1335-2:2018 | Office seating safety requirements for structural stability and durability | |
| EN 1335-3:2009 | Test methods for office seating structural and mechanical performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for office chairs, covering strength, durability and stability testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Standard for heavy-duty office seating, applicable for higher weight capacities |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood back panel components | |
|---|---|---|
| GB/T 35607-2017 | Green product assessment standard for furniture, recommended for VOC and formaldehyde limits | |
| GB/T 38602-2020 | General requirements for office furniture seating strength and stability |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood back panel components; 2. GB/T 35607-2017: Green product assessment standard for furniture, recommended for VOC and formaldehyde limits; 3. GB/T 38602-2020: General requirements for office furniture seating strength and stability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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