| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 610 x 610 x 1000 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 | 18 kg | |
|---|---|---|
| Seat foam density | 45 kg/m³ | |
| Back foam thickness | 50 mm | |
| Seat foam thickness | 70 mm | |
| Recommended daily usage duration | 8 hours | |
| Seat upholstery abrasion resistance | 50000 cycles | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Black smooth commercial-grade PU leather | |
|---|---|---|
| Side support shell | Light gray molded plywood with matte finish | |
| Internal seat/back frame | 12mm thick molded plywood | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas cylinder | |
| Five-star base | Polished chrome-plated 2mm thick steel | |
| Casters | 50mm diameter black polyurethane, dual-wheel | |
| Tilt mechanism | 3mm thick steel multi-lock synchro-tilt plate | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm | |
| Caster Engineering Specification | 5 PU-tread swivel casters, 60 mm diameter | |
| Reference Color Count | Recommended 5upholstery colors and 2base finishes |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100mm vertical travel via side paddle lever | |
|---|---|---|
| 360-degree swivel rotation | Full free rotation around central gas lift axis | |
| Tilt and lock function | 12-degree maximum back tilt with 3 lockable positions | |
| Smooth caster mobility | Dual-wheel casters suitable for hard floors and low-pile carpet | |
| Integrated fixed armrests | Contoured armrests formed as part of side shell, 70mm wide support | |
| Weight-activated tilt tension | Automatic tension adjustment matching user weight up to 150kg | |
| 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
| Gross shipping weight | 21 kg | |
|---|---|---|
| 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
| Corporate conference rooms | Contoured padded seat supports extended meeting sessions for attendees | |
|---|---|---|
| Private executive offices | Polished chrome and matte shell finish complements premium desk setups | |
| Open plan workstations | Smooth rolling casters allow easy repositioning between adjacent desks | |
| Home office spaces | Height adjustment fits standard 760 mm desk heights for residential use | |
| Visitor reception areas | Stable 5-star base provides safe seating for temporary guest use | |
| 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 | Applicable for office chair dimensional safety and functional requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable for strength, durability and stability performance requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Drop Test | Recommended minimum 102kg static load and 120000 cycle durability | |
|---|---|---|
| Maximum static user load | 150 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for dimensional tolerance and stability requirements for office seating | |
|---|---|---|
| GB/T 28007-2011 | Applicable for mechanical performance and durability requirements for office chairs |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for dimensional tolerance and stability requirements for office seating; 2. GB/T 28007-2011: Applicable for mechanical performance and durability requirements for office chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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