| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 770 x 756 x 1270 mm | |
|---|---|---|
| Seat width | 580 mm | |
| Seat depth | 490 mm | |
| Seat height range | 560 mm | |
| Backrest height | 740 mm | |
| Backrest width | 530 mm | |
| Armrest height from seat | 200 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 120 mm | |
| Retractable footrest extended length | 300 mm | |
| Knee clearance under seat at lowest height | 160 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
| Net weight | 22 kg | |
|---|---|---|
| Maximum recommended user weight | 227 kg | |
| Seat foam density | 40 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Chrome base static load rating | 1136 kg | |
| Gas lift cycle durability | 120000 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
| Upholstery | 1.2mm thick light grey smooth PU leather | |
|---|---|---|
| Seat padding | High-density polyurethane foam, flame-retardant grade | |
| Backrest padding | Layered contoured high-density foam with segmented lumbar support | |
| Armrest structure | Padded PU arm body with polished solid wood cap trim | |
| Internal frame | 12mm plywood reinforced with 1.5mm steel support brackets | |
| Five-star base | 1.8mm thick polished chrome-plated steel | |
| Casters | Twin-wheel nylon casters with rubberized rolling surface | |
| Recline mechanism | 2.5mm thick steel plate linkage with chrome control lever | |
| Footrest structure | Chrome-finished steel frame with padded PU top surface | |
| Side panel detailing | Quilted stitched PU leather with precise 8mm seam pitch | |
| Gas lift cylinder | Class 4 chrome-plated steel pneumatic cylinder, 50mm tube diameter | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° smooth rotation enabled by central swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical travel via right-side under-seat lever | |
| Recline function | 135° maximum backrest recline with infinite position lock | |
| Retractable footrest | Pull-out extension from under seat, locks in deployed position | |
| Tilt tension adjustment | Adjustable resistance knob to match user body weight | |
| Smooth rolling mobility | Dual-wheel casters suitable for hard floors and low-pile carpet | |
| Fixed padded armrests | Stable non-adjustable arms with wood caps for forearm support | |
| Segmented back support | Contoured lumbar, mid-back and headrest zones for ergonomic posture | |
| 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
| Packaging note | Corrugated carton with foam corner protection and plastic wrapping | |
|---|---|---|
| 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
| Executive office use | Suitable for private executive offices and manager workstations | |
|---|---|---|
| Home office setup | Ideal for premium home office environments with classic styling | |
| Conference room seating | Appropriate for high-end boardroom and meeting room applications | |
| Commercial reception areas | Suitable for VIP reception and executive waiting zones | |
| Height compatibility | Designed for users 190 cm tall with adjustable seat height | |
| Recommended desk pairing | Pairs with 760 mm height executive desks for proper ergonomics | |
| Color availability | Available in light grey, brown and black finish options | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office work chair dimensional safety and performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Office chair strength, durability and stability test methods | |
| EN 1022:2018 | Furniture seating stability determination test standard |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs safety and performance standard | |
|---|---|---|
| Caster rolling durability | 40000 cycles |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture components including arm caps | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances for interior decoration wood-based furniture materials |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture components including arm caps; 2. GB 18584-2001: Limit of harmful substances for interior decoration wood-based furniture materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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