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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 800 x 830 x 840 mm | |
|---|---|---|
| Seat height | 420 mm | |
| Seat width | 590 mm | |
| Seat depth | 550 mm | |
| Backrest height | 640 mm | |
| Four-star base diameter | 700 mm | |
| Center pedestal column height | 230 mm | |
| Base prong width | 50 mm | |
| Seat cushion thickness | 100 mm | |
| Backrest padding thickness | 80 mm | |
| Seat pitch angle | 12 degrees | |
| 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 load capacity | 150 kg | |
|---|---|---|
| Product net weight | 25 kg | |
| Seating capacity | 1 person | |
| Swivel rotation range | 360 degrees | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam density (backrest) | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Base static load rating | 300 kg | |
| Warranty period | 1 year |
Core acceptance fields · Panels / hardware / frame / upholstery
| Inner contact upholstery (seat and inner backrest) | Black PU leatherette, 1.0mm thickness | |
|---|---|---|
| Outer shell upholstery (side and lower back trim) | Light gray PU leatherette, 1.0mm thickness | |
| Internal structural shell | Molded polypropylene or curved plywood core, 12mm thickness | |
| Seat cushion padding | High-density polyurethane foam, 100mm thickness | |
| Backrest padding | Medium-density polyurethane foam, 80mm thickness | |
| Four-star base construction | Polished chrome-plated steel or polished aluminum, 5mm material thickness | |
| Central swivel column | Polished chrome-plated steel tube, 80mm diameter | |
| Swivel bearing mechanism | Steel ball-bearing swivel joint | |
| Floor protection glides | Polyethylene or felt pads, fitted to each base prong end | |
| Upholstery stitching | Bonded polyester thread, 8 stitches per inch seam pitch | |
| Surface finish (metal components) | Mirror polished chrome plating, 0.1mm plating thickness | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Swivel operation | Smooth 360-degree full rotation around central vertical axis, enabled by sealed steel ball bearing joint at seat-column junction | |
|---|---|---|
| Seating support | Contoured bucket-style integrated seat and back shell, with ergonomic lumbar curve for relaxed lounge posture, no separate removable cushions | |
| Floor stability | Four wide metal prongs spread symmetrically across 700mm diameter for balanced stationary support, with no rolling casters for fixed-position lounge placement | |
| Floor protection | Soft polymer glides mounted at the end of each base prong, suitable for hard tile, wood, or polished stone flooring without surface scratching | |
| Upholstery maintenance | Smooth non-porous PU leather surface allows wipe-clean care with a damp soft cloth, no special fabric cleaning required | |
| Space suitability | Armless design with narrow overall width allows placement in small living room nooks, reception waiting areas, home offices, or bedroom accent positions, with no protruding armrests to obstruct access | |
| Assembly requirement | Final assembly requires attaching the central base column to the underside of the seat shell with included hardware, no special tools required | |
| Posture support | 12-degree pitched seat and 15-degree reclined backrest support relaxed, semi-reclined lounge posture rather than upright task or dining posture | |
| Backrest recline angle | 15 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 |
Verified carton / gross weight / assembly / loading data
| Packaging carton count | 1 unit per carton | |
|---|---|---|
| Carton external dimensions | 850 x 700 x 650 mm | |
| Packaged gross weight | 27 kg | |
| Packaging volume per unit | 0.387 CBM | |
| Required assembly time | 30 minutes | |
| Recommended assembly personnel | 1 person | |
| 20ft GP container loading quantity | 84 units | |
| 40ft HQ container loading quantity | 208 units | |
| Internal packaging materials | Polyethylene foam edge protection, corrugated corner braces, polyethylene bag wrap for upholstery, included hardware kit and assembly instruction sheet | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Residential living room accent placement | Suitable for use as a standalone accent chair next to sofas, coffee tables, or reading nooks, with compact footprint and modern streamlined aesthetics | |
|---|---|---|
| Office reception and waiting area seating | Suitable for light-commercial reception lobbies, breakout spaces, or informal meeting areas, with polished metal base and durable wipe-clean upholstery that supports regular visitor use | |
| Home office casual seating | Suitable for placement in home offices for relaxed reading, video calls, or visitor seating, offering swivel function and lounge comfort without the upright, wheeled geometry of task chairs | |
| Bedroom and dressing area seating | Suitable for placement in bedrooms or walk-in closets as a dressing chair, with compact armless form that fits in narrow floor spaces | |
| Hotel guest room and lounge seating | Suitable for boutique hotel guest rooms, lobby lounge corners, or hospitality suites, with two-tone refined finish and durable construction for commercial hospitality use | |
| Showroom and display space seating | Suitable for furniture showrooms, automotive display lounges, or retail fitting rooms, with contemporary sculptural silhouette that complements modern interior design schemes | |
| 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 12520:2015 Furniture - Strength, durability and safety - Requirements for domestic seating | Applicable as acceptance standard for structural strength, stability, and durability for residential lounge seating use | |
|---|---|---|
| EN 1022:2018 Domestic furniture - Seating - Determination of stability | Applicable for verifying four-star base stability to prevent tipping during normal swivel and seating use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 Lounge and Public Seating | Applicable only if specified for light-commercial reception or public area use, for static load, stability, and durability performance; not automatically applicable for strictly residential use |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 General technical requirements for wooden furniture | Applicable for structural strength and dimensional tolerance acceptance if internal shell is constructed from plywood/wood composite components | |
|---|---|---|
| GB/T 16799-2008 Furniture leather | Applicable for PU leather upholstery material quality, abrasion resistance, and color fastness acceptance | |
| GB/T 35607-2017 Green product assessment - Furniture | Applicable as reference for formaldehyde emission and harmful substance limits for indoor residential furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017 General technical requirements for wooden furniture: Applicable for structural strength and dimensional tolerance acceptance if internal shell is constructed from plywood/wood composite components; 2. GB/T 16799-2008 Furniture leather: Applicable for PU leather upholstery material quality, abrasion resistance, and color fastness acceptance; 3. GB/T 35607-2017 Green product assessment - Furniture: Applicable as reference for formaldehyde emission and harmful substance limits for indoor residential furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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