| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 710 x 710 x 1300 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 505 mm | |
| Seat height range (floor to seat) | 530 mm | |
| Backrest height | 760 mm | |
| Backrest width | 480 mm | |
| 5-star base diameter | 680 mm | |
| Caster diameter | 60 mm | |
| Headrest dimensions | 320 x 180 mm | |
| Retractable footrest extension length | 300 mm | |
| Armrest height adjustment range | 120 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 | |
|---|---|---|
| Maximum recommended user weight | 150 kg | |
| Recommended user height range | 190 cm | |
| Gas lift static load rating | 1136 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat cushion foam thickness | 60 mm | |
| Mesh upholstery abrasion resistance | 50000 cycles | |
| 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 | Breathable polyester mesh with geometric texture | |
|---|---|---|
| Seat cushion core | High-density polyurethane foam | |
| 5-star base | Polished die-cast aluminum alloy | |
| Caster wheels | Soft polyurethane tread with plastic hub | |
| Armrest pads | Soft PU padded tops with nylon support brackets | |
| Gas lift cylinder | Carbon steel Class 4 gas lift | |
| Backrest frame | Reinforced glass-fiber nylon | |
| Recline mechanism plate | 3mm thick stamped steel | |
| Internal seat support board | 12mm thick multi-layer plywood | |
| Footrest surface | Mesh-wrapped padded plastic | |
| Stitching seam pitch | 8 mm | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic adjustment via side lever, 100mm vertical travel | |
|---|---|---|
| Backrest recline | 3-position lockable tilt up to 135 degrees | |
| Headrest adjustment | Height and angle adjustable to support cervical spine | |
| Armrest adjustment | 3D adjustable (height, depth, pivot) for forearm support | |
| Retractable footrest | Pull-out under-seat extension for recline leg support | |
| 360-degree swivel | Full rotation around central gas lift axis | |
| Lumbar support | Integrated adaptive contoured lumbar zone | |
| Tilt tension adjustment | Knob-controlled tension to match 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 workstations | Suitable for long-hour desk work with lumbar and height support | |
|---|---|---|
| Home office study rooms | Supports upright work and reclined rest with retractable footrest | |
| Executive private offices | Premium all-black design matches professional executive desk setups | |
| 24-hour operation control rooms | Durable padded construction suitable for extended shift use | |
| Co-working space hot desks | Adjustable features accommodate diverse user body types | |
| Height-adjustable standing desk setups | Wide seat height range matches variable standing desk heights | |
| 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 | Applicable standard for office chair dimensional safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable standard for office chair strength and stability requirements | |
| EN 1335-3:2009 | Applicable standard for office chair test methods for structural safety |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable standard for general-purpose office chair performance and durability | |
|---|---|---|
| Caster rolling durability cycles | 40000 |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for furniture size measurement of office chairs | |
|---|---|---|
| GB 28007-2011 | Applicable safety standard for office chairs with height adjustment | |
| GB/T 35607-2017 | Applicable green product evaluation standard for office furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for furniture size measurement of office chairs; 2. GB 28007-2011: Applicable safety standard for office chairs with height adjustment; 3. GB/T 35607-2017: Applicable green product evaluation standard for office furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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