| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 2790 x 1000 x 890 mm | |
|---|---|---|
| Seat height from floor | 460 mm | |
| Individual seat width | 870 mm | |
| Seat depth (cushion front to back) | 850 mm | |
| Armrest height from floor | 640 mm | |
| Back cushion height from seat | 430 mm | |
| Steel frame leg section size | 30 x 30 mm | |
| Clearance under sofa base | 80 mm | |
| Seat cushion thickness | 250 mm | |
| Back cushion thickness | 200 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total static load capacity | 900 kg | |
|---|---|---|
| Product net weight | 93 kg | |
| Seat cushion foam density | 35 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 cycles | |
| Back cushion fill weight ratio | 70% down feather, 30% fiber fill | |
| Frame static load test rating | 1500 kg | |
| 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
| Outer upholstery | 1.4mm thick top-grain aniline leather match | |
|---|---|---|
| Seat cushion core | 35kg/m³ high-resilience polyurethane foam | |
| Back cushion fill | Down-feather and polyester fiber blend | |
| Exposed frame and legs | Brushed silver-finish cold-rolled square steel tube | |
| Internal support frame | Kiln-dried solid hardwood and 12mm plywood | |
| Seat support system | 8-gauge sinuous S-springs with 50mm elastic webbing | |
| Stitching construction | Bonded nylon thread with 8 stitches per 50mm seam | |
| Floor protection pads | 6mm thick non-slip rubber pads fitted to each leg base | |
| Cushion fasteners | Hidden hook-and-loop strips between cushion and frame base | |
| 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
| Configuration design | Fixed three-seat straight layout with connected modular seat units | |
|---|---|---|
| Cushion design | Loose removable seat and back cushions with hidden zipper access | |
| Armrest construction | Padded leather-upholstered armrests supported by exposed external steel frame | |
| Seating posture | Deep seat geometry supports relaxed slouched lounging | |
| Floor contact design | Fixed steel legs with non-marking rubber pads | |
| Modular connection | Steel bracket connectors secure individual seat modules together | |
| Back support function | Two oversized matching throw cushions included for adjustable lumbar support | |
| 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
| Residential living room | Primary seating for open-plan or dedicated lounge spaces, fits modern and industrial interior styles | |
|---|---|---|
| Office lounge area | Casual seating for breakout zones, waiting areas, and informal meeting spaces in modern workplaces | |
| Studio loft apartment | Low-profile silhouette suits high-ceiling open living spaces without blocking sightlines | |
| Hospitality reception area | Premium lounge seating for boutique hotel lobbies and creative studio waiting zones | |
| Configuration recommendation | Paired with low round coffee tables and textured area rugs for balanced visual proportion | |
| User group suitability | Accommodates 3 adults comfortably, suitable for households and spaces with regular visitor traffic |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Domestic furniture strength, durability and safety for seating, applicable for structural performance testing | |
|---|---|---|
| EN 1021-1:2014 | Furniture upholstery ignitability (smoulder cigarette test), applicable for fire safety baseline |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Lounge seating standard for public and office spaces, optional for commercial installation validation | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Furniture sustainability standard, applicable for LEED-aligned material selection requirements |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal wood frame structural strength | |
|---|---|---|
| GB 20400-2006 | Leather and fur limits of harmful substances, applicable for upholstery material safety testing | |
| GB/T 16799-2008 | Furniture use leather, applicable for specifying upholstery leather performance grades |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal wood frame structural strength; 2. GB 20400-2006: Leather and fur limits of harmful substances, applicable for upholstery material safety testing; 3. GB/T 16799-2008: Furniture use leather, applicable for specifying upholstery leather performance grades; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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