| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 3900 x 1600 x 790 mm | |
|---|---|---|
| Seat height from floor | 460 mm | |
| Individual seat depth | 640 mm | |
| Seat cushion thickness | 250 mm | |
| Back cushion thickness | 220 mm | |
| Inner seating arc radius | 1800 mm | |
| Per-seat module width | 850 mm | |
| Floor clearance under sofa | 10 mm | |
| Total seating surface width | 3400 mm | |
| End outward cushion projection | 250 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total product net weight | 120 kg | |
|---|---|---|
| Per-seat static weight capacity | 160 kg | |
| Total static weight capacity | 640 kg | |
| Recommended maximum user count | 5 | |
| Foam density (seat core) | 35 kg/m³ | |
| Foam rebound rate (seat core) | 60% | |
| Fabric abrasion resistance | 30000 cycles (Martindale) | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| 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
| Upholstery fabric | 350 gsm woven polyester chenille | |
|---|---|---|
| Internal frame | Kiln-dried pine solid wood with 30 mm section thickness | |
| Seat suspension | 4 mm sinuous steel springs spaced 80 mm apart | |
| Seat cushion fill | 35D high-resilience polyurethane foam wrapped in 20 mm Dacron fiber | |
| Back cushion fill | Blown silicone-coated polyester fiber with 20 mm foam core | |
| Modular connectors | 1.5 mm thick zinc-plated steel latch brackets | |
| Bottom base panel | 12 mm thick plywood dust cover with non-slip felt feet | |
| Cushion zippers | Nylon coil zippers for future fabric removal and cleaning | |
| 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
| Modular reconfiguration | Individual seat units connect via steel latches for custom curved or linear layouts | |
|---|---|---|
| Back cushion adjustability | Loose non-fixed back cushions can be repositioned for preferred lumbar support | |
| Static angle seating | Fixed 105 degree reclined back angle for relaxed lounge posture | |
| Floor protection | Integrated felt glides on base prevent scratches to hard flooring surfaces | |
| Spot cleaning compatibility | Woven polyester upholstery supports gentle spot cleaning with water-based fabric cleaner | |
| No built-in recline | Fixed seat and back structure with no electric or manual recline mechanisms | |
| Two-person maneuverability | Modular units separate for easy movement through standard doorways and hallways | |
| 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
| Large open-plan living room | Forms a conversational seating arc for family gatherings and social events | |
|---|---|---|
| Luxury residential lounge area | Soft low-profile design suits minimalist modern or contemporary interior schemes | |
| High-end hotel lobby waiting area | Curved layout creates an inviting semi-private seating zone for guests | |
| Designer studio showcase space | Organic modular silhouette acts as a statement piece for interior displays | |
| Penthouse or villa reception space | Large scale matches spacious high-end residential open floor plans | |
| Recommended complementary furniture | Pair with low round coffee tables positioned inside the seating arc for access |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Strength, durability and safety requirements for domestic seating, applicable for residential use | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability test for smouldering cigarette source |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame construction | |
|---|---|---|
| GB 18401-2010 | National textile product safety standard, applicable to upholstery fabric components | |
| GB/T 1952.1-2012 | Mechanical test standard for upholstered sofas, applicable to load and durability verification |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame construction; 2. GB 18401-2010: National textile product safety standard, applicable to upholstery fabric components; 3. GB/T 1952.1-2012: Mechanical test standard for upholstered sofas, applicable to load and durability verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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