| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 635 x 700 x 1260 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 435 mm | |
| Seat height range from floor | 590 mm | |
| Backrest height from seat | 580 mm | |
| Headrest height adjustment travel | 155 mm | |
| Armrest height adjustment above seat | 250 mm | |
| Five-star base diameter | 700 mm | |
| Backrest outer frame width | 515 mm | |
| Seat to top of headrest maximum height | 765 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 maximum user load | 136 kg | |
|---|---|---|
| Net weight | 16.1 kg | |
| Seat foam density | 35 kg/m³ | |
| Seat foam thickness | 55 mm | |
| Back foam rebound rate | 40% | |
| Foam compression set | 6% | |
| Caster rolling durability | 100000 cycles | |
| Gas lift lift cycle rating | 120000 cycles | |
| Five-star base static load rating | 1136 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | High-elastic breathable nylon mesh | |
|---|---|---|
| Seat support surface | Breathable mesh with high-resilience PU foam cushion | |
| Back frame | Glass-fiber reinforced nylon engineered frame | |
| Headrest | Mesh-padded nylon frame with adjustable bracket | |
| Armrest pads | Soft PU padded surface with nylon support brackets | |
| Internal support frame | 12 mm thick E1-grade bent plywood seat support | |
| Five-star base | Glass-fiber reinforced nylon construction | |
| Gas lift | Chrome-plated steel Class 3 gas lift | |
| Casters | 60 mm diameter silent PA+PVC universal dual-wheel casters | |
| Chassis mechanism | 3 mm thick steel synchro-tilt control plate | |
| Seam stitch pitch | 8 stitches per inch | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | Pneumatic gas lift adjusts seat height over 100 mm stroke | |
|---|---|---|
| Headrest adjustment | 155 mm vertical height travel with angle tilt adjustment | |
| Armrest adjustment | 3D adjustable with 75 mm vertical height, width and depth movement | |
| Recline function | Synchro-tilt backrest locks in 3 positions up to 135 degrees | |
| Swivel function | 360-degree smooth rotation around central stem | |
| Lumbar support | Contoured central lumbar zone with 40 mm height adjustment | |
| Mobility function | Dual-wheel casters enable smooth rolling on hard floors and low-pile carpet | |
| Tilt tension control | Rotary knob adjusts recline resistance to match user 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
| Carton dimensions | 850 x 620 x 650 mm | |
|---|---|---|
| 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 office workstations | Suitable for 8+ hour daily seated work for administrative and professional staff | |
|---|---|---|
| Home office spaces | Fits compact home work areas with breathable mesh for extended computer use | |
| Conference and meeting rooms | Provides adjustable support for medium-length collaborative meetings | |
| Executive management offices | High-back design offers upper back and neck support for senior staff | |
| Shared co-working spaces | Adjustable features accommodate a wide range of user heights and sizes | |
| IT and design workstations | Supports postural changes during long creative or technical work sessions | |
| 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 work chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength and durability testing | |
| EN 1335-3:2020 | Applies to office chair stability and safety performance verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair durability, strength and stability testing |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture seating dimensional tolerance and measurement | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to mechanical performance testing for office chair strength and durability | |
| GB 18584-2001 | Applies to limit of harmful substances in wooden furniture components | |
| GB/T 26172.1-2010 | Applies to caster durability and performance testing for swivel chairs |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture seating dimensional tolerance and measurement; 2. GB/T 10357.3-2013: Applies to mechanical performance testing for office chair strength and durability; 3. GB 18584-2001: Applies to limit of harmful substances in wooden furniture components; 4. GB/T 26172.1-2010: Applies to caster durability and performance testing for swivel chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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