| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (assembled) | 630 W x 680 D x 1120H mm | |
|---|---|---|
| Seat surface dimensions | 500 W x 480 D mm | |
| Adjustable seat height (floor to seat top) | 550 mm | |
| Backrest dimensions | 490 W x 640 H mm | |
| Integrated wing armrest height (seat to arm top) | 190 mm | |
| Five-star base diameter | 680 mm | |
| Caster wheel diameter | 60 mm | |
| Gas lift outer tube 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
| Recommended static user weight capacity | 125 kg | |
|---|---|---|
| Net product weight (assembled) | 17 kg | |
| Foam density (seat and back padding) | 40 kg/m³ | |
| Foam rebound rate | 45% | |
| Caster rolling durability cycles | 100000 cycles | |
| Gas lift cycle durability | 120000 cycles | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Warranty period (structural frame) | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Cognac brown bonded/PU leather look, smooth semi-gloss finish | |
|---|---|---|
| Seat padding core | High-density polyurethane foam, compression molded to curved seat pan | |
| Backrest padding core | Densified polyurethane foam, shaped for built-in lumbar contour | |
| Internal seat and back substrate | 18mm thick hardwood plywood frame | |
| Five-star base construction | 1.5mm thick polished chrome-plated steel tubing, five-prong design | |
| Gas lift component | Chrome-plated steel Class 3 pneumatic cylinder, black plastic trim cover | |
| Tilt mechanism | 2.5mm thick black powder-coated steel tilt plate with single adjustment lever | |
| Caster wheels | Black nylon dual-wheel casters with hard/soft floor compatible tread | |
| Armrest construction | Integrated curved wing style, fully upholstered in matching cognac material over internal support | |
| Mechanism fasteners | Zinc-plated steel bolts and lock nuts for all structural joints | |
| 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
| 360-degree swivel rotation | Full unobstructed rotation around central gas lift axis for multi-directional desk access | |
|---|---|---|
| Pneumatic seat height adjustment | 80mm vertical stroke controlled by side lever, to align with standard 760 mm desk heights | |
| Synchronized tilt function | Seat and back tilt together backward with tension adjustment, with upright-position lock | |
| Tilt tension adjustment | Knob under seat regulates resistance to match user weight for controlled recline | |
| Rolling mobility | Five dual-wheel casters enable smooth movement over low-pile carpet and hard flooring without floor marking | |
| Integrated arm support | Fixed curved wing armrests provide forearm support during seated work, no height or width adjustment | |
| Built-in lumbar support | Contoured backrest shape provides mid-back lumbar support without separate adjustable cushion | |
| Knock-down assembly | Chair ships disassembled for compact transport, requires attachment of base, casters and seat/back unit with included hardware | |
| Backrest recline angle range | 12 degrees | |
| 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 configuration | 1 unit per 5-layer corrugated export carton, with foam corner protection and polybag wrap | |
|---|---|---|
| Packaged carton dimensions | 750 L x 650 W x 570 H mm | |
| Packaged gross weight | 20 kg | |
| Packaged volume per unit | 0.28 CBM | |
| Assembly time (end user) | 30 minutes | |
| 20GP container loading quantity | 210 units | |
| 40HQ container loading quantity | 530 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Private office workspace | Suitable for executive or manager desks in individual offices, with cognac leather finish providing professional mid-century modern aesthetic | |
|---|---|---|
| Home office study | Appropriate for residential home workspaces, matching modern and scandinavian interior decor without heavy commercial aesthetic | |
| Conference meeting rooms | Usable as boardroom or meeting seating around conference tables, with swivel and height adjustment for multi-user adaptability | |
| Co-working open plan areas | Suitable for dedicated workstations in co-working facilities, with durable upholstery and smooth casters for shared use | |
| Client reception areas | Appropriate for guest seating in reception or consultation spaces, with refined curved silhouette presenting a welcoming professional appearance | |
| Studio creative workspaces | Fits design or creative studio environments, combining vintage-inspired styling with functional office chair mobility and adjustment | |
| 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 furniture - Office work chair - Part 1: Dimensions - Determination of dimensions | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chair - Part 2: Safety requirements | |
| EN 1335-3:2009 | Office furniture - Office work chair - Part 3: Test methods | |
| EN 1021-1:2014 | Furniture - Assessment of the ignitability of upholstered furniture - Part 1: Ignition source smouldering cigarette |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office Chairs - General Purpose | |
|---|---|---|
| Five-star base static load rating | 1136 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standards and test results require confirmation | |
|---|---|---|
| GB/T 10357.2-2013 | Test of mechanical properties of furniture - Stability of chairs and stools | |
| GB/T 10357.3-2013 | Test of mechanical properties of furniture - Strength and durability of chairs and stools | |
| GB 20210-2006 | General technical requirements for office chairs |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standards and test results require confirmation; 2. GB/T 10357.2-2013: Test of mechanical properties of furniture - Stability of chairs and stools; 3. GB/T 10357.3-2013: Test of mechanical properties of furniture - Strength and durability of chairs and stools; 4. GB 20210-2006: General technical requirements for office chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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