| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall circular grouping footprint | 3810 x 2845 x 730 mm | |
|---|---|---|
| Single arc sofa unit length | 3520 mm | |
| Seat height from floor | 420 mm | |
| Seat depth per cushion | 800 mm | |
| Seat width per seating position | 880 mm | |
| Backrest height above seat | 310 mm | |
| Rounded arm end width | 200 mm | |
| Base plinth height | 120 mm | |
| Throw pillow size | 450 x 450 mm | |
| Seat cushion thickness | 200 mm | |
| Backrest cushion thickness | 150 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Total seating capacity | 6 persons | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Total product net weight | 180 kg | |
| Fabric abrasion resistance | 30000 Martindale cycles | |
| Foam density seat core | 32 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Frame static load durability | 100000 cycle rating | |
| Warranty period for structural frame | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery fabric | Cream teddy boucle textured fabric, 380 gsm weight | |
|---|---|---|
| Seat cushion filling core | 32D high-resilience polyurethane foam, wrapped in 20mm Dacron batting | |
| Seat support layer | 4mm sinuous steel spring suspension with 50mm elastic webbing | |
| Internal load-bearing frame | Kiln-dried solid pine wood + 15mm plywood panels, 12% moisture content | |
| Integrated base plinth | Upholstered engineered wood frame with non-slip floor protection pads | |
| Backrest filling | 28D polyurethane foam blended with down-alternative fiber fill | |
| Cushion covers | Removable zippered boucle fabric covers, dry-clean only | |
| Accent throw pillows | Matching boucle covers, filled with 100% recycled polyester fiberfill | |
| Seam construction | Reinforced stitched seams with 8 stitches per inch (3.15mm pitch) | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| Modular connection system | Hidden steel connector brackets lock arc units for stable circular layout | |
|---|---|---|
| Cushion design | Loose reversible seat cushions allow rotation for even wear over time | |
| Floor protection | Non-marking felt pads on base underside prevent hard floor scratches | |
| Layout flexibility | Arc units can be separated for linear or curved standalone placement | |
| Cover maintenance | Zippered cushion covers are removable for spot cleaning or professional dry cleaning | |
| Integrated armrests | Padded rounded integrated arm ends at each arc termination for ergonomic support | |
| Conversational orientation | Opposing arc design creates 360-degree inward-facing seating for group interaction | |
| 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 | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Residential living room | Large open-plan lounge spaces as primary conversational seating for families and guests | |
|---|---|---|
| Luxury hotel lobby | High-end hospitality common areas for guest waiting and casual group meetings | |
| Executive lounge | Corporate office premium lounge zones for informal collaboration and visitor reception | |
| High-end residential clubhouse | Shared amenity spaces for resident gatherings and social events | |
| Boutique retail waiting area | Premium retail or showroom spaces to create welcoming upscale seating environments | |
| Villa open lounge area | Spacious residential properties creating a focal circular gathering space | |
| Photo shoot/set design | Modern minimalist interior sets for editorial, commercial or residential staging projects | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1728:2012 | Furniture – Seating – Test methods for strength and durability of sofa structures | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture flammability resistance to smouldering cigarette ignition | |
| EN 12520:2015 | Furniture – Strength, durability and safety requirements for domestic seating |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal wood frame structure | |
|---|---|---|
| GB 18584-2001 | Indoor decoration material limit of harmful substances for wooden furniture, formaldehyde emission ≤1.5mg/L | |
| GB/T 1952.1-2012 | General technical requirements for sofas, applicable to upholstered seating durability and safety |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal wood frame structure; 2. GB 18584-2001: Indoor decoration material limit of harmful substances for wooden furniture, formaldehyde emission ≤1.5mg/L; 3. GB/T 1952.1-2012: General technical requirements for sofas, applicable to upholstered seating durability and safety; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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