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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 660 x 700 x 1320 mm | |
|---|---|---|
| Adjustable seat height range | 540 mm | |
| Seat cushion size (W x D) | 500 x 480 mm | |
| Seat foam thickness | 86 mm | |
| Backrest height (seat to headrest top) | 820 mm | |
| Headrest dimensions (W x H) | 320 x 180 mm | |
| Fixed armrest height (above seat) | 220 mm | |
| Five-star base diameter | 350 mm | |
| Caster diameter | 50 mm | |
| Lumbar support zone height | 280 mm | |
| Backrest mesh panel thickness | 3 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended maximum user weight | 136 kg | |
|---|---|---|
| Net weight | 17 kg | |
| Five-star base static load capacity | 1136 kg | |
| Caster rolling durability | 300000 cycles | |
| Applicable user count | 1 person | |
| Backrest recline maximum angle | 130 degrees | |
| Seat swivel range | 360 degrees | |
| Warranty period | 5 years | |
| Net chair weight | 17 kg | |
| Seat cushion dynamic load durability | 120000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest panel | Tensioned black polyester mesh with PP internal support ribs | |
|---|---|---|
| Seat cushion core | 35# high-density molded polyurethane foam | |
| Seat upholstery | Black woven polyester fabric over foam, water-resistant surface | |
| Armrests | Fixed PA (nylon) loop armrests with padded top contact surfaces | |
| Five-star base | Polished chrome-plated 2.5mm thick steel five-spoke base | |
| Gas lift cylinder | Class 3 BIFMA/SGS certified steel pneumatic gas lift, 50mm diameter, 130mm stroke | |
| Chair mechanism | 2.5mm thick steel butterfly tilt chassis with tension adjustment | |
| Casters | Black nylon dual-wheel non-marking swivel casters | |
| Internal seat frame | 12mm thick plywood support board under seat cushion | |
| Frame trim components | Black injection-molded PP plastic backrest frame and edge trim | |
| Chair tilt mechanism | 2.5mm thick steel butterfly tilt chassis with tension adjustment knob | |
| Headrest padding | 25kg/m³ density polyurethane foam with fabric upholstery |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | Up/down lever control under seat, 130mm lift travel to match 760 mm desk heights | |
|---|---|---|
| Backrest tilt and lock function | Lockable recline up to 130 degrees with adjustable tilt tension knob | |
| 360-degree swivel rotation | Full rotation around vertical axis enabled by central swivel joint | |
| Integrated segmented lumbar support | Fixed horizontal rib structure providing contoured lower back pressure relief | |
| Padded fixed headrest support | Contoured padded headrest providing static neck support for upright and reclined postures | |
| Fixed padded armrest support | Curved loop armrests providing static elbow support during typing and seated tasks | |
| Rolling mobility function | Dual-wheel casters enabling smooth movement across hard floors and low-pile carpet | |
| Tilt tension adjustment | Knob control to set recline resistance matching user body weight | |
| 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 workstation use | Suitable for staff and executive desks with 760 mm work surface height | |
|---|---|---|
| Private executive/manager office use | High-back profile provides back and neck support for long duration seated work | |
| Home office workspace use | Compact footprint fits residential study and home work areas without excessive space use | |
| Conference meeting room use | Professional appearance suitable for meeting rooms and collaborative workspaces | |
| Recommended floor types | Suitable for use on hard wood, tile, laminate, and low-pile carpeted floors | |
| Target user group | Adult office workers requiring lumbar and neck support for 8 hour daily seated shifts | |
| Recommended complementary furniture | Pair with 760 mm height ergonomic office desks, monitor arms and keyboard trays for optimal posture | |
| Recommended complementary setup | Pair with 760mm height ergonomic desks, monitor arms and keyboard trays |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office furniture - Office work chairs - Part 1: Dimensions, safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety performance requirements | |
| EN 1335-3:2009 | Office furniture - Office work chairs - Part 3: Test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for general purpose office chairs - structural, durability and stability requirements | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Standard for large occupant office chairs up to 159kg load |
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture chair dimensional, stability and strength testing for general office use | |
|---|---|---|
| GB/T 39222-2020 | Ergonomic performance evaluation requirements for office chairs |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture chair dimensional, stability and strength testing for general office use; 2. GB/T 39222-2020: Ergonomic performance evaluation requirements for office chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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