| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 640 x 1130 mm | |
|---|---|---|
| Backrest height | 620 mm | |
| Backrest width | 520 mm | |
| Seat width | 490 mm | |
| Seat depth | 410 mm | |
| Seat cushion thickness | 80 mm | |
| Seat height adjustment range maximum | 530 mm | |
| Seat height adjustment range minimum | 430 mm | |
| Armrest height above seat | 200 mm | |
| Armrest total maximum height | 715 mm | |
| Five-star base diameter | 640 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
| Product net weight | 18 kg | |
|---|---|---|
| Five-star base static load rating | 1500 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Gas lift durability cycles | 300000 cycles | |
| Caster rolling durability cycles | 300000 cycles | |
| Tilt mechanism durability cycles | 30000 cycles | |
| Back mesh Martindale abrasion resistance | 50000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable warp-knitted polyester mesh | |
|---|---|---|
| Seat cushion core | High-density molded polyurethane foam | |
| Seat surface upholstery | Woven fabric with orange finish | |
| Armrest structure | White PP frame with fixed padded top | |
| Main structural frame | Reinforced white nylon seat and back support | |
| Gas lift cylinder | 2.0mm seamless steel Class 4 gas lift | |
| Five-star base | White glass-fiber reinforced PP base | |
| Casters | 60mm black PA dual-wheel swivel casters | |
| Tilt mechanism | 2.5mm thick stamped steel chassis | |
| Seam stitch pitch | 8 stitches per inch | |
| 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
| Height adjustment | 100mm vertical travel via gas lift actuated by right-side lever | |
|---|---|---|
| Swivel function | 360-degree full rotation around central gas lift column | |
| Tilt function | Lockable upright position with adjustable tension control, 12-degree maximum recline | |
| Lumbar support | Integrated contoured S-shaped mesh lumbar zone fixed to backrest frame | |
| Mobility function | Five dual-wheel casters for smooth rolling on hard and carpeted floors | |
| Armrest support | Fixed cantilever armrests providing 200mm of upper arm support above seat | |
| Waterfall seat edge | Curved front seat edge to reduce leg pressure during extended sitting | |
| 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
| Single carton dimensions | 860 x 660 x 580 mm | |
|---|---|---|
| Packaged gross weight | 18 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
| Open office workstation | Suitable for daily 8-hour seated work at standard 760 mm height office desks | |
|---|---|---|
| Home office study | Compact footprint fits residential study spaces for remote work and study tasks | |
| Conference room seating | Neutral white and orange styling suits modern meeting room desk arrangements | |
| Training room use | Mobility and swivel function support flexible training session seating arrangements | |
| Student desk seating | Adjustable height accommodates teenage and adult users at study desks | |
| Shared co-working space | Durable construction and easy-roll casters suit high-turnover shared work environments | |
| 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 | Office work chair safety requirements, specifies dimensional and structural performance criteria | |
|---|---|---|
| EN 1335-2:2009 | Office work chair strength, durability and stability test methods for commercial use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Clause 5 | Caster durability test requirement of 300,000 rolling cycles for general office use | |
|---|---|---|
| Maximum recommended user weight | 181 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture: desk and chair dimension standard, specifies minimum clearance and size requirements | |
|---|---|---|
| GB/T 35607-2017 | Green product assessment standard for furniture, limits harmful substance emissions | |
| GB 28007-2011 | Office chair general technical requirements, covers structural stability and static load |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture: desk and chair dimension standard, specifies minimum clearance and size requirements; 2. GB/T 35607-2017: Green product assessment standard for furniture, limits harmful substance emissions; 3. GB 28007-2011: Office chair general technical requirements, covers structural stability and static load; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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