| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions | 700 x 710 x 1210 mm | |
|---|---|---|
| Seat size | 530 x 550 mm | |
| Seat height range | 540 mm | |
| Armrest height to floor | 820 mm | |
| Backrest height | 820 mm | |
| Headrest cushion | 500 x 150 x 90 mm | |
| Backrest width | 500 mm at shoulder zone and 360 mm at lumbar zone | |
| Seat cushion thickness | 100 mm | |
| Armrest pad | 330 x 100 x 70 mm per arm | |
| Knee-space width under front rail | 520 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Gas-lift exposed travel | 80 mm | |
| Under-seat clearance at lowest setting | 200 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm |
Net weight / load capacity / users / durability
Data source: Product performance data; verify exact test conditions before procurement.
| Recommended maximum user weight | 135 kg | |
|---|---|---|
| Product net weight | 19.3 kg | |
| Cushion foam density | 45 kg/m3 | |
| Foam rebound rate | 40% | |
| Upholstery abrasion rating | 50,000 Martindale cycles | |
| Gas-lift class | Class 4, 50 mm tube, 100 mm stroke | |
| Caster rolling durability | 100,000 cycles | |
| Back cyclic durability | 120,000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Outer upholstery | Dark grey PU or faux-leather surface with smooth semi-matte grain | |
|---|---|---|
| Seat padding | Molded polyurethane foam cushion, 100 mm thick | |
| Back padding | Contoured polyurethane foam over a rigid load-bearing back shell | |
| Headrest | Integrated upholstered foam cushion attached to the high back | |
| Arm pads | Upholstered fixed pads with rounded rolled front edges and continuous side panels | |
| Internal seat shell | 12 mm molded plywood or high-strength composite board | |
| Back support frame | 2.0 mm steel support plate bonded to the upholstered back shell | |
| Mechanism housing | Black powder-coated steel tilt mechanism with two paddle levers | |
| Gas-lift column | Chrome-plated telescoping steel cylinder with black height tube | |
| Five-star base | Polished die-cast aluminum or chrome-finished metal five-prong base | |
| Casters | Black twin-wheel nylon or PU casters with chrome mounting forks | |
| Stitching | Tone-on-tone fine seam line with 8 stitches per 50 mm |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Pneumatic seat-height adjustment | 80 mm vertical travel from 460 to 540 mm using the central gas lift | |
|---|---|---|
| 360-degree swivel | Full rotation on the central bearing without changing base position | |
| Tilt operation | Backward rocking through the under-seat center-tilt mechanism with a rear paddle release | |
| Tilt tension control | Rotating black knob under the seat sets rocking resistance to user weight | |
| Tilt lock | Paddle-controlled lock position for upright working posture | |
| Fixed arm support | Padded arms remain at a fixed 200 mm height above the seat and support forearm entry | |
| Rolling mobility | Five twin-wheel casters provide omnidirectional movement on hard floors or low-pile carpet | |
| Integrated head support | High-mounted cushion supports the head and upper neck during reclined seating | |
| Lumbar contour | Raised lower-back curve provides passive lumbar support without an independent adjustment pad | |
| Single-user task seating | Designed for one occupant with a 530 mm-wide seat and 135 kg capacity | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| 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
Data source: Recommended applications based on product form and category.
| Executive office | Suitable for managers and directors requiring high-back support during 8 hour desk work | |
|---|---|---|
| Private workstation | Pairs with a 1800 mm executive desk and leaves 700 mm caster footprint clearance | |
| Meeting room leadership position | Fits formal boardroom or manager meeting settings with leather-look visual consistency | |
| Home office professional use | Provides commercial-style swivel and tilt functions in a dedicated home study | |
| Reception managerial desk | Suitable for senior reception or administrative positions with frequent turning and rolling | |
| Project procurement configuration | Recommended in quantities with matching visitor chairs using the same dark grey upholstery | |
| 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
| Office chair dimensional safety | EN 1335:2000 | |
|---|---|---|
| Office chair structural safety | EN 1335:2018 | |
| Office chair surface durability | EN 1335 | |
| Upholstered furniture flammability | BS EN 1021:2014 | |
| Formaldehyde from panels | EN 717 |
US and Canada office-furniture standards
| Office chair safety and durability | ANSI/BIFMA X2017 | |
|---|---|---|
| Upholstered furniture chemical emissions | ANSI/BIFMA e2019e | |
| Textile and leather surface durability | ANSI/BIFMA X5.1 Test 8 reference | |
| Caster and base evaluation | ANSI/BIFMA X5.1 caster/base test clauses | |
| Five-star base static load | 1,134 kg |
Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
Export data is generated from the current published product record.
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