| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 810 x 850 x 860 mm | |
|---|---|---|
| Seat height | 460 mm | |
| Seat depth | 620 mm | |
| Seat width | 630 mm | |
| Backrest height from seat | 430 mm | |
| Four-star base leg span diameter | 680 mm | |
| Base floor clearance | 120 mm | |
| Upholstery piping width | 8 mm | |
| Seat cushion thickness at center | 120 mm | |
| Outer shell wall thickness at side edge | 25 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
| Recommended static weight capacity | 150 kg | |
|---|---|---|
| Net weight | 39 kg | |
| Seat foam density | 28.8 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Backrest foam thickness | 80 mm | |
| Upholstery fabric abrasion resistance | 50000 Martindale cycles | |
| Swivel rotation range | 360 degrees | |
| 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
| Inner seat/back upholstery | Camel tan woven performance fabric | |
|---|---|---|
| Outer shell upholstery | Red top-grain leather match | |
| Edge trim | Light-toned contrast leather piping | |
| Internal support frame | 18 mm thick plywood and steel subframe | |
| Seat support system | Sinuous steel spring suspension | |
| Padding fill | High-resilience polyurethane foam with fiber wrap | |
| Swivel base | 2 mm thick powder-coated matte black steel | |
| Swivel hub | Carbon steel rotating bearing | |
| Floor contact glides | Injected nylon non-marking glides | |
| Stitching specification | 8 stitches per inch | |
| 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
| Swivel operation | 360-degree smooth rotation via steel bearing hub | |
|---|---|---|
| Back support | Enclosed wrap-around cocoon back with side enclosures | |
| Base stability | Four-prong fixed steel base with non-marking glides | |
| Seating posture | Fixed relaxed lounge angle with no tilt/recline adjustment | |
| Cleaning access | Low shell profile and base clearance | |
| Upholstery durability | Performance fabric and leather outer surfaces | |
| Assembly requirement | Minimal base attachment to chair shell | |
| Backrest recline angle | 110 degrees | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| 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
| Residential living room | Placement as statement accent chair next to sofas or coffee tables | |
|---|---|---|
| Office lounge area | Seating for informal waiting, breakout or collaboration zones | |
| Hotel lobby and guest areas | High-visual-impact seating for boutique hotel reception spaces | |
| Reception waiting zones | Comfortable single seating for short- to medium-duration waiting | |
| Showroom and retail display | Styling for high-end furniture showrooms and design galleries | |
| Bedroom dressing area | Additional seating for bedroom suites or walk-in closet spaces | |
| 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
| Domestic furniture seating stability | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture flammability | EN 1021:2014 | |
| Furniture strength and durability | EN 1728:2012 |
US and Canada office-furniture standards
| Lounge seating structural performance | ANSI/BIFMA X2022 | |
|---|---|---|
| Seating durability cyclic testing | ANSI/BIFMA X2022 | |
| Floor protection requirement | ANSI/BIFMA X2022 |
Standards applicable to China-market projects
| Upholstered furniture mechanical safety | GB 28007 | |
|---|---|---|
| Formaldehyde emission for furniture | GB 18584 | |
| Textile fabric colorfastness | GB/T 3920 |
This product must meet the following technical requirements: 1. Upholstered furniture mechanical safety: GB 28007; 2. Formaldehyde emission for furniture: GB 18584; 3. Textile fabric colorfastness: GB/T 3920; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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