| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 4000 x 1750 x 830 mm | |
|---|---|---|
| Seat height | 410 mm | |
| Seat depth (curved main section) | 595 mm | |
| Backrest height above seat | 420 mm | |
| Backless chaise extension length | 1200 mm | |
| Seat cushion thickness | 200 mm | |
| Plinth base clearance above floor | 5 mm | |
| Per-seat usable width | 900 mm | |
| Backrest thickness | 150 mm | |
| Visible vertical seam pitch | 2000 mm | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total net weight | 120 kg | |
|---|---|---|
| Per-seat static load capacity | 114 kg | |
| Seat foam density (base layer) | 45D | |
| Seat foam density (top comfort layer) | 35D | |
| Fabric abrasion resistance | 50000 double rubs | |
| Foam resilience rate | 60% | |
| Standard structural warranty | 3 years | |
| Seat Foam Density / Rebound | 40 kg/m³ / 60% | |
| Upholstery Abrasion Reference | Fabric 60000 cycles; leather-class cover 1.4 mm | |
| Per-seat Load Reference | 130 kg/seat |
Core acceptance fields · Panels / hardware / frame / upholstery
| Internal support frame | Kiln-dried solid hardwood + 18mm plywood, 12% moisture content | |
|---|---|---|
| Seat support system | 80mm wide elastic webbing, 50mm spacing under cushions | |
| Cushion fill structure | Layered 45D base foam, 35D top foam, 20mm synthetic fiber batting | |
| Upholstery fabric | 380gsm textured grey woven performance fabric, stain-resistant finish | |
| Upholstery seam construction | Reinforced stitched seams, 8 stitches per inch, matching grey thread | |
| Base/plinth structure | Fully upholstered engineered wood frame, no exposed legs, floor-contact non-slip felt pads | |
| Backrest fill | Single-piece molded high-density foam, tight-upholstered to frame | |
| Frame joint hardware | Dowel and corner block reinforced joints, steel screw fasteners | |
| Timber Frame Section / Moisture | Primary section ≥30 × 50 mm; recommended moisture 12% | |
| Spring / Webbing Specification | Sinuous spring wire 4 mm; elastic webbing 70 mm wide | |
| Leg Connector Specification | Reference M8-M10 with at least 1 mechanical fixing per leg | |
| Reference Upholstery Color Count | Recommended 8fabric/leather color options |
Adjustment / rotation / tilt / mobility / storage features
| Seating layout | 4-seat asymmetrical curved layout, 1 backless chaise end, 3 low-back seats | |
|---|---|---|
| Motion type | Fully stationary design, no recline, sleeper or modular disconnect features | |
| Lumbar support | Integrated curved backrest with padded foam support for right/center seats | |
| Floor protection | Non-slip felt pads along full base perimeter to prevent floor scuffing | |
| Cushion retention | Tight-upholstered seat and back cushions, attached directly to frame, no loose cushions | |
| Installation requirement | Fully assembled placement only, no on-site upholstery or frame assembly needed | |
| Cleaning access | Smooth all-upholstered exposed surfaces, no gaps for debris accumulation | |
| Cushion Service Configuration | Recommended 2removable/replaceable cushion methods |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Module Carton Dimensions | 2200× 1050× 850 mm | |
| Reference Packaging Volume | 1.8 m³/item | |
| Reference Packaged Gross Weight | 110 kg/item |
Recommended spaces / users / usage modes
| Open-plan residential living rooms | Organic curved form softens linear room layouts for casual lounge seating | |
|---|---|---|
| Modern office lounge and waiting areas | Low-profile minimalist design fits contemporary commercial breakout spaces | |
| Hotel lobby lounge zones | Continuous curved seating supports multi-guest casual conversation arrangements | |
| High-end boutique reception areas | Sculptural silhouette acts as statement seating for visitor welcome spaces | |
| Open-concept studio apartments | Asymmetrical shape defines lounge zones without blocking sightlines | |
| Curved feature seating under staircases | Kidney shape fits rounded architectural nooks for unused space utilization |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Applicable to domestic seating: specifies strength, durability and safety requirements for stationary household sofas | |
|---|---|---|
| EN 1021-1:2014 | Applicable to upholstered furniture: defines cigarette ignition resistance for fabric and fill materials |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Applicable for lounge seating: specifies structural performance and durability test methods for public/lounge use |
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Standards applicable to China-market projects
| GB 18401-2010 | Applicable to textile upholstery: sets formaldehyde and harmful substance limits for direct contact fabrics |
|---|
This product must meet the following technical requirements: 1. GB 18401-2010: Applicable to textile upholstery: sets formaldehyde and harmful substance limits for direct contact fabrics; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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