| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall footprint | 3200 x 1260 x 790 mm | |
|---|---|---|
| Individual seat segment depth | 900 mm | |
| Seat height from floor | 400 mm | |
| Backrest height above seat | 390 mm | |
| Individual module width | 1600 mm | |
| Curved inner seating radius | 1800 mm | |
| Seat cushion thickness | 180 mm | |
| Backrest cushion thickness | 150 mm | |
| Rounded end profile radius | 200 mm | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total product net weight | 180 kg | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Cushion foam density | 45 kg/m³ | |
| Cushion foam rebound rate | 60% | |
| Seating capacity | 4 persons | |
| Seam stitch pitch | 30 mm | |
| Fabric abrasion resistance | 50000 Martindale cycles | |
| Warranty period | 10 years | |
| Seat Foam Density / Rebound | 40 kg/m³ / 60% | |
| Upholstery Abrasion Reference | Fabric 60000 cycles; leather-class cover 1.4 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Internal load-bearing frame | Kiln-dried solid pine wood, 30mm section thickness | |
|---|---|---|
| Seat support system | 3.8mm gauge sinuous steel springs, spaced 100mm apart | |
| Seat cushion core | 45kg/m³ high-density polyurethane foam, wrapped in 200g polyester fiber | |
| Backrest cushion core | 35kg/m³ high-softness polyurethane foam blended with silk fiber | |
| Upholstery options | Matte performance fabric/chenille/velvet/top-grain matte leather | |
| Support base | Low-profile hidden black plastic glides, no visible tall legs | |
| Module connection hardware | Heavy-duty steel interlocking clips, 2mm plate thickness | |
| Fabric weight | 400 g/m² | |
| Edge finishing | Piped seam detailing along all cushion and frame edges | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Modular configuration | Two equal armless curved segments connect via steel clips to form semicircle | |
|---|---|---|
| Cushion design | Loose reversible seat and back cushions for even wear rotation | |
| Glide function | Hidden floor glides adjust 5mm to level on uneven flooring | |
| Upholstery maintenance | Removable cushion covers with hidden zippers for spot cleaning | |
| Load distribution | Sinuous spring suspension evenly distributes weight across seat area | |
| Layout flexibility | Modules can be separated or paired with additional curved segments | |
| Seating orientation | Concave inner face optimized for conversational group seating | |
| 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
| Luxury residential living room | Open-plan large living rooms, villa lounge areas for 4-person conversational seating | |
|---|---|---|
| High-end commercial reception | Hotel lobbies, executive office reception areas, premium club waiting zones | |
| Open workspace breakout | Creative office breakout zones for informal meetings and relaxation | |
| Event lounge spaces | Wedding VIP lounges, brand activation seating, high-end exhibition rest areas | |
| Recommended configuration | Pair with round central coffee table 1000 mm diameter centered on concave seating face | |
| Clearance requirement | Maintain minimum 800mm walkway clearance around convex outer perimeter |
EU Market Access Requirements* EN Standards
| Domestic furniture seating safety | EN 12520:2015 | |
|---|---|---|
| Furniture upholstery fire resistance | EN 1021:2014 | |
| Formaldehyde emission for panels | EN 13986:2004+A1:2015 |
US and Canada office-furniture standards
| Lounge seating durability | ANSI/BIFMA X2020 |
|---|
Standards applicable to China-market projects
| Upholstered sofa safety | GB/T 3324 | |
|---|---|---|
| Upholstered furniture durability | GB/T 2012 | |
| Formaldehyde emission | GB 18584 |
This product must meet the following technical requirements: 1. Upholstered sofa safety: GB/T 3324; 2. Upholstered furniture durability: GB/T 2012; 3. Formaldehyde emission: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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