| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 650 x 680 x 1310 mm | |
|---|---|---|
| Seat width | 505 mm | |
| Seat depth | 440 mm | |
| Adjustable seat height range | 540 mm | |
| Backrest height | 740 mm | |
| Armrest height above seat | 180 mm | |
| Seat cushion thickness | 70 mm | |
| Five-star base diameter | 700 mm | |
| Headrest height above seat | 740 mm | |
| Armrest to armrest internal width | 505 mm | |
| Minimum adjusted overall height | 1190 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 | 24 kg | |
|---|---|---|
| Recommended user weight capacity | 150 kg | |
| Five-star base static load rating | 1136 kg | |
| Caster rolling durability | 300000 cycles | |
| Back mesh abrasion resistance | 50000 Martindale cycles | |
| Seat foam density | 65 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Recommended user height range | 1900 mm | |
| Warranty period | 3 years | |
| Available color options | 3 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | 100% polyester breathable mesh | |
|---|---|---|
| Seat cushion core | 65 kg/m³ high-resilience molded polyurethane foam | |
| Seat upholstery | Woven polyester fabric over foam | |
| Back frame structure | 30% glass-fiber reinforced nylon | |
| Armrest pads | Soft polyurethane padding on nylon support | |
| Five-star base | Reinforced injection-molded nylon | |
| Gas lift cylinder | Class 4 steel pneumatic cylinder with black powder coating | |
| Caster wheels | 60mm diameter dual-wheel hard-floor safe nylon casters | |
| Seat mechanism | 2.5mm thick steel synchro-tilt chassis | |
| Lumbar support pad | Molded foam with mesh overlay | |
| Headrest pad | Molded polyurethane foam with mesh facing | |
| Seam stitch pitch | 3 stitches per cm |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | 100 mm vertical travel via Class 4 gas lift | |
|---|---|---|
| Backrest recline function | 125 degree maximum tilt with 4 lock positions | |
| Tilt tension control | User-adjustable knob under seat to match user weight | |
| 360-degree swivel rotation | Full rotation around central gas lift axis | |
| Height-adjustable armrests | 180 mm vertical travel to match desk height | |
| Adjustable integrated headrest | Height and angle adjustment for neck support | |
| Contoured lumbar support | Fixed shape mid-back pad for lower spine alignment | |
| Smooth-rolling mobility | Dual-wheel casters for hard floor and low-pile carpet | |
| Waterfall seat edge | Rounded front seat edge to reduce leg pressure | |
| Synchro-tilt motion | Seat tilts 1 degree for every 2.5 degrees of back recline | |
| Multi-position tilt lock | Lock backrest in upright, mid-recline, and full-recline positions | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
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
| Open-plan office workstations | Fits standard 760 mm height office desks for daily seated work | |
|---|---|---|
| Home office dedicated workspaces | Ergonomic support for 8+ hour daily work sessions at a home desk | |
| Conference meeting rooms | Swivel and tilt function supports collaborative multi-directional discussion | |
| Supervisor/private office spaces | High-back design provides appropriate support for managerial workstations | |
| Coworking shared hot-desk areas | Durable construction and adjustable features suit diverse user groups | |
| Computer desk gaming or study use | Lumbar and headrest support supports extended seated screen use | |
| Adjustable standing desk workstations | Wide seat height range pairs with sit-stand desk height adjustments | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | European office chair dimensional and safety requirement standard | |
|---|---|---|
| EN 1335-2:2018 | European office chair strength, durability and stability requirement standard | |
| EN 1335-3:2009 | European office chair structural testing method standard |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | North American general-purpose office chair safety and performance standard |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture dimension testing standard for chair measurement accuracy | |
|---|---|---|
| GB 28007-2011 | General safety requirement standard for office seating products |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture dimension testing standard for chair measurement accuracy; 2. GB 28007-2011: General safety requirement standard for office seating products; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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