| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall circular layout footprint | 4200 x 4200 x 750 mm | |
|---|---|---|
| Seat height from finished floor | 450 mm | |
| Seat depth per seating position | 550 mm | |
| Total backrest height above seat | 300 mm | |
| Single curved sofa segment length | 1600 mm | |
| Accent chair overall size | 900 x 800 x 720 mm | |
| Inner circular clear conversation area diameter | 2400 mm | |
| Decorative throw pillow size | 500 mm | |
| Curvature radius of sofa segments | 1200 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
| Per-seat static weight capacity | 180 kg | |
|---|---|---|
| Total seating capacity (sofa + chairs) | 12 persons | |
| Cushion foam density | 45 kg/m³ | |
| Fabric Martindale abrasion resistance | 50000 cycles | |
| Wood frame moisture content | 12% | |
| Steel frame wall thickness | 1.5 mm | |
| Backrest recline angle from vertical | 15° | |
| Product warranty period | 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
| Upholstery fabric | Purple matte woven tech fabric, stain-resistant finish | |
|---|---|---|
| Seat core padding | 45kg/m³ high-resilience polyurethane foam, topped with 20mm soft fiber wrap | |
| Backrest padding | 35kg/m³ polyurethane foam, contoured for lumbar support | |
| Internal support frame | Kiln-dried solid hardwood + 1.5mm cold-rolled steel reinforcement | |
| Seat suspension | 3.8mm diameter sinuous S-springs + 50mm elastic webbing | |
| Armrest structure | Fully upholstered block frame wrapped in matching foam and fabric | |
| Throw pillows | Matching purple fabric covers, filled with 100% recycled polyester fiber | |
| Bottom base frame | Non-marking black fabric dust cover, no exposed external legs | |
| Seam construction | Reinforced stitched seams with 8 stitches per 30mm 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 segment connection | Heavy-duty alligator clip connectors between curved units | |
|---|---|---|
| Entry gap accommodation | Two open ring positions for 2 matching accent chairs | |
| Seating support function | Evenly spaced sinuous springs prevent cushion sag over use | |
| Surface maintenance | Stain-resistant fabric allows spot cleaning with mild solvent | |
| Customization support | Module count, upholstery color and size adjustable per project | |
| Low-profile design function | Floor-skimming base eliminates tripping hazards at seating edges | |
| Backrest function | Integrated gently sloped back provides lumbar support for 30+ minute seated conversations | |
| Armrest width (integrated block) | 200 mm | |
| 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
| Hotel lobby reception areas | Circular layout supports face-to-face group conversation for guest waiting | |
|---|---|---|
| High-end office lounge zones | Low-profile relaxed seating fits executive breakout and informal meeting spaces | |
| Luxury residential open-plan living rooms | Statement circular design creates a central conversational focal point | |
| Premium beauty salon waiting areas | Soft purple upholstery complements upscale modern interior design schemes | |
| Exhibition VIP rest areas | Modular configuration adapts to temporary event space layout requirements | |
| Corporate boardroom breakout spaces | Seating capacity supports small group informal discussion sessions | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Applies to strength, durability and safety requirements for non-domestic seating | |
|---|---|---|
| EN 1021-1:2014 | Applies to upholstered furniture ignitability resistance for smouldering cigarettes |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Applies to strength and durability for lounge and public area seating | |
|---|---|---|
| ANSI/BIFMA X7.1-2022 | Applies to formaldehyde and VOC emission standards for office furniture |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applies to general technical requirements for wooden furniture frames | |
|---|---|---|
| GB 18584-2001 | Applies to formaldehyde emission limits for interior wood-based furniture materials | |
| GB/T 19867.1-2005 | Applies to arc welding quality for steel structural frame components |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applies to general technical requirements for wooden furniture frames; 2. GB 18584-2001: Applies to formaldehyde emission limits for interior wood-based furniture materials; 3. GB/T 19867.1-2005: Applies to arc welding quality for steel structural frame components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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