| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 680 x 1280 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 550 mm | |
| Maximum seat height | 580 mm | |
| Backrest height | 760 mm | |
| Five-star base diameter | 685 mm | |
| Caster diameter | 60 mm | |
| Armrest height above seat | 230 mm | |
| Seat cushion thickness | 100 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 | 125 kg | |
|---|---|---|
| Chair net weight | 19 kg | |
| Five-star base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Upholstery abrasion resistance | 100000 cycles | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| 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 back upholstery | 1.2mm thick grey PU/faux leather | |
|---|---|---|
| Seat padding | Molded high-density polyurethane foam | |
| Backrest padding | 30mm thick medium-density polyurethane foam | |
| Armrest pads | Grey PU padded tops over chrome-plated steel brackets | |
| Five-star base | 2mm thick polished chrome-plated steel | |
| Gas lift column | Chrome-plated steel pneumatic cylinder | |
| Caster wheels | 60mm diameter black nylon with PU tread | |
| Internal seat frame | 1.5mm thick plywood and steel support structure | |
| Tilt mechanism | 3mm thick steel chassis under seat | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central gas lift swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 140mm vertical travel via Class 3 gas lift, controlled by side lever | |
| Tilt tension adjustment | Knob under seat adjusts recline resistance for user weight | |
| Upright tilt lock | Locks backrest in vertical working position via seat lever | |
| Backrest recline range | 15-degree backward recline from upright locked position | |
| Mobility function | Five dual-wheel casters support smooth rolling on hard and carpeted floors | |
| Lumbar support | Contoured integrated backrest shaping provides mid-back support | |
| 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
| Packaging note | Knock-down packaging with hardware kit and instructions | |
|---|---|---|
| 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
| Private executive office | Fits manager and director workspaces for daily 8-hour seated work | |
|---|---|---|
| Conference meeting rooms | Suitable for boardroom and meeting space guest and participant seating | |
| Home office workspaces | Works in dedicated home offices for remote professional work | |
| Reception areas | Appropriate for high-end reception and visitor waiting areas | |
| Recommended pairing | Matches standard 760 mm height executive desks and workstations | |
| User suitability | Fits users 190 cm tall with adjustable seat height and ergonomic back support | |
| 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 | Applies to office chair dimensional safety and functional requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair strength, durability and stability performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance criteria |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture chair dimensional stability and size requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to chair strength and durability mechanical test methods |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture chair dimensional stability and size requirements; 2. GB/T 10357.3-2013: Applies to chair strength and durability mechanical test methods; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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