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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 675 x 640 x 1135 mm | |
|---|---|---|
| Seat width | 490 mm | |
| Seat depth | 440 mm | |
| Maximum seat height (floor to seat top) | 530 mm | |
| Minimum seat height (floor to seat top) | 450 mm | |
| Backrest height | 630 mm | |
| Backrest maximum width | 495 mm | |
| Seat cushion thickness | 70 mm | |
| Maximum armrest height above seat | 250 mm | |
| 5-star base diameter | 640 mm | |
| Backrest center width at lumbar zone | 365 mm | |
| Maximum armrest height from floor | 700 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
| Maximum recommended user weight | 136 kg | |
|---|---|---|
| Net chair weight | 15 kg | |
| Maximum recline tilt angle | 20 degrees | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Caster rolling durability cycle count | 100000 cycles | |
| Gas lift cycle rating | 100000 height adjustment cycles | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.0 mm thick dark gray PU faux leather | |
|---|---|---|
| Seat cushion core | 70 mm thick high-density polyurethane foam | |
| Backrest padding | 40 mm thick molded polyurethane foam | |
| 5-star swivel base | 1.5 mm thick chrome-plated polished steel | |
| Armrest supports | Injection-molded black structural plastic with 2 mm wall thickness | |
| Armrest pads | 20 mm thick PU-padded black hard surface | |
| Gas lift cylinder | 50 mm diameter Class 3 steel pneumatic cylinder | |
| Casters | 50 mm diameter black nylon dual-wheel hard-floor casters | |
| Tilt mechanism plate | 2.5 mm thick stamped steel with tension adjustment | |
| Internal seat frame | 1.2 mm thick welded steel support pan | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | 100 mm stroke height adjustment via under-seat side lever | |
|---|---|---|
| 360-degree swivel rotation | Full 360° rotation around vertical gas lift axis | |
| Seat tilt with upright lock | 20° backward tilt with upright position lock and tension knob | |
| Fixed-height padded armrests | Fixed arm position at 250 mm above seat surface for forearm support | |
| Contoured lumbar support | Molded backrest curve providing mid-lumbar support for seated users | |
| Smooth rolling mobility | Five dual-wheel casters enabling movement across hard floors and low-pile carpet | |
| 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
| Open-plan office workstations | Suitable for 8-hour daily desk use at standard 760 mm height office desks | |
|---|---|---|
| Home office workspaces | Compact 675mm width fits small home study and desk areas without excess space | |
| Conference meeting rooms | Professional dark gray faux leather appearance suits formal meeting room seating | |
| Executive private offices | Mid-back contoured design provides comfortable support for management staff | |
| Co-working shared spaces | Durable easy-clean PU upholstery withstands frequent multi-user daily use | |
| Reception and admin areas | Chrome base and sleek design delivers professional appearance for front-of-house spaces | |
| 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 task chair dimensional and safety general requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office task chair mechanical safety and strength performance requirements | |
| EN 1335-3:2009 | Applies to office task chair test methods for structural stability and durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance testing standards | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to vertical load testing for office chair weight capacity validation |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture chair dimensional accuracy and stability testing | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair mechanical strength and durability performance testing | |
| GB 28007-2011 | Applies to upholstered office furniture formaldehyde emission limits for indoor use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture chair dimensional accuracy and stability testing; 2. GB/T 10357.3-2013: Applies to office chair mechanical strength and durability performance testing; 3. GB 28007-2011: Applies to upholstered office furniture formaldehyde emission limits for indoor use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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