| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 700 x 1180 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 490 mm | |
| Seat height range | 450 mm to 540 mm | |
| Backrest height | 720 mm | |
| Backrest width | 480 mm | |
| Armrest height from seat | 220 mm | |
| Five-star base diameter | 680 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest padding thickness | 50 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight | 22 kg | |
|---|---|---|
| Maximum static load capacity | 150 kg | |
| Recommended user weight | 120 kg | |
| Gas lift stroke | 90 mm | |
| Seat swivel range | 360 degrees | |
| Tilt lock range | 90 degrees to 120 degrees from vertical | |
| Caster rolling durability | 40000 cycles | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Base static load rating | 1136 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Top-grain semi-aniline brown leather | |
|---|---|---|
| Integrated armrests | Molded structure upholstered in matching brown leather | |
| Internal seat frame | 12mm thick molded plywood | |
| Internal back frame | 10mm thick molded plywood | |
| Seat cushion foam | 45kg/m³ density high-resilience polyurethane foam, 80mm thick | |
| Backrest cushion foam | 35kg/m³ density molded polyurethane foam, 50mm thick | |
| Five-star base | Polished die-cast aluminum, 3mm wall thickness | |
| Gas lift | Class 3 carbon steel, 50mm outer diameter, chrome-plated | |
| Tilt mechanism | 3mm thick black powder-coated steel | |
| Adjustment levers | Black glass-filled nylon | |
| Casters | Black nylon dual-wheel hard-floor casters, polyurethane tread | |
| Seam construction | Matching brown bonded nylon stitching, 8mm stitch pitch |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side paddle lever, 90mm vertical stroke, locks at any position within range | |
|---|---|---|
| Backrest tilt function | Synchro-tilt mechanism reclines backrest at 1:1.8 ratio relative to seat tilt, lockable in upright and three intermediate recline positions, up to 30 degree recline | |
| 360-degree swivel | Full rotational movement around central gas lift axis with no rotational stops, enables easy access to surrounding workspace without moving the base | |
| Smooth rolling mobility | Five dual-wheel casters enable low-effort movement on hard wood, tile and low-pile carpet floors, caster brakes engage automatically under full user weight | |
| Integrated curved arm support | Fixed upholstered armrests contoured to support forearms in both upright and reclined positions, no arm height adjustment | |
| Lumbar support | Contoured molded backrest foam provides built-in mid-back lumbar support without separate adjustable pad | |
| Upright position lock | Tilt mechanism locks backrest in fully upright position for focused desk work, unlocks for reclined rest positions | |
| Tilt tension adjustment | Rotary tension knob under front of seat adjusts recline resistance to match user weight between 50kg and 120kg | |
| 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
| Number of shipping cartons | 1 | |
|---|---|---|
| Shipping carton dimensions | 720 x 680 x 620 mm | |
| Gross shipping weight | 26 kg | |
| Shipping volume per unit | 0.30 CBM | |
| Assembly time | 25 minutes | |
| 20ft container loading quantity | 160 units | |
| 40ft HC container loading quantity | 400 units | |
| Packaging materials | 5-layer double-wall corrugated carton, EPS foam corner protection, PE plastic dust bag, hardware kit with assembly instructions | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Executive private office | High-back leather design provides professional upscale appearance and full back support for 8+ hour daily work use by senior management | |
|---|---|---|
| Corporate meeting rooms | Polished aluminum base and brown leather finish coordinate with premium conference tables for client-facing meeting spaces | |
| Home executive office | Classic leather styling works with traditional and modern home office decor, swivel and rolling function supports flexible workspace arrangement | |
| Boardroom seating | Uniform design suitable for placement around boardroom tables, 360 swivel enables easy interaction during meetings | |
| Executive reception areas | Upscale leather finish creates a professional first impression for visitor seating in high-end reception zones | |
| Recommended pairing | Matches with walnut or dark wood executive desks measuring 1800mm to 2200mm wide, coordinates with brown leather guest seating for cohesive office suites | |
| 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 European standard for office work chairs, defines dimensional requirements for ergonomic seated work positions | |
|---|---|---|
| EN 1335-2:2018 | Applicable European standard for office chair safety, strength and durability requirements for commercial use | |
| EN 1021-1:2014 | Applicable standard for upholstered furniture flammability for cigarette ignition resistance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 Load Test Requirement 5 | Requires five-star base to support minimum 1136kg static load without failure, recommended minimum specification for the aluminum base |
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Standards applicable to China-market projects
| GB/T 16799-2008 | Applicable standard for furniture used leather, sets requirements for leather tear strength, color fastness and abrasion resistance |
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This product must meet the following technical requirements: 1. GB/T 16799-2008: Applicable standard for furniture used leather, sets requirements for leather tear strength, color fastness and abrasion resistance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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