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|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall 3-piece set footprint (conversational layout) | 4200 × 3200 × 780 mm | |
|---|---|---|
| Large 4-seat curved sofa unit dimensions | 2400 × 900 × 780 mm | |
| Medium 3-seat curved sofa unit dimensions | 2200 × 900 × 780 mm | |
| Chaise lounge/armless single seat unit dimensions | 1800 × 950 × 780 mm | |
| Seat height from floor | 420 mm | |
| Seat depth (usable seating surface) | 680 mm | |
| Backrest height above seat surface | 360 mm | |
| Rounded cylindrical end panel diameter | 400 mm | |
| Dark slatted inlay panel dimensions (per end section) | 120 × 700 mm | |
| Seat cushion thickness | 180 mm | |
| Backrest cushion thickness | 120 mm | |
| Throw pillow dimensions (included) | 450 × 450 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 set net weight range | 160 kg | |
|---|---|---|
| Static load capacity per seat position | 150 kg | |
| Recommended maximum occupancy for full set | 5 people | |
| Seat foam density | 35 kg/m³ high-resilience polyurethane foam | |
| Backrest foam density | 28 kg/m³ polyurethane foam | |
| Foam rebound rate | 60% | |
| Seating surface compression set (long-term use) | ≤5% | |
| Upholstery abrasion resistance | ≥30,000 double rubs (Martindale) | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg | |
| Caster Rolling Durability Reference | Acceptance target 30000 cycles | |
| Gas-lift Cycling Reference | Acceptance target 100000 cycles | |
| Upholstery Seam Pitch | 4 mm | |
| Recommended Procurement Warranty | Frame 5 years; mechanism/gas lift 3 years; upholstery 2 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seating surface and frame upholstery | 2 mm thick beige smooth leather-look material (genuine top-grain leather or high-grade PU leather) | |
|---|---|---|
| Internal structural frame | Kiln-dried solid pine + 18mm thick multi-layer plywood skeleton with corner blocking | |
| Decorative end panel inlays | Dark smoked oak wood veneer slatted inserts, horizontal evenly spaced slats with matte finish | |
| Base support structure | Floor-mounted solid wood plinth base with non-slip felt floor protectors, no visible external legs | |
| Seat cushion filling | High-resilience polyurethane foam core with 20mm down/feather wrap top layer (premium configuration) | |
| Backrest filling | 28kg/m³ polyurethane foam with polyester fiber wrap | |
| Stitching and upholstery construction | Matching beige polyester-bonded nylon thread, 8 stitches per inch (3.15 stitches per cm) seam pitch, tight tailored upholstery with no visible wrinkles | |
| Included throw pillows | Upholstered in coordinating textured woven fabric (2 gray geometric texture, 1 dark green textured fabric), filled with 100% polyester fiberfill | |
| Modular connection hardware (if applicable) | Zinc-plated steel interlocking connector clips between adjacent seating units for alignment | |
| 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm | |
| Caster Engineering Specification | 5 PU-tread swivel casters, 60 mm diameter | |
| Reference Color Count | Recommended 5upholstery colors and 2base finishes |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | Static fixed 3-piece conversational layout, two curved armless sofas + one armless chaise lounge positioned for face-to-face interaction | |
|---|---|---|
| Base design | Legless floor-plinth mounted design with low center of gravity, no height adjustment, no rocking/swivel function | |
| Modular alignment | Units can be repositioned or connected via built-in metal clips to adjust layout to room dimensions | |
| Seating ergonomics | 680mm deep seat with 102° fixed backrest angle for relaxed semi-reclined lounge posture | |
| Floor protection | Hidden non-slip felt pads installed on bottom of plinth base to prevent scratching hard flooring and reduce sliding | |
| Pillow adjustability | Included throw pillows are loose and repositionable for lumbar support or decorative arrangement | |
| Storage function | No built-in storage compartments in seat bases, end panels or armrests (no visible hinges/latches for storage access) | |
| 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
| Number of shipping cartons | 4 cartons | |
|---|---|---|
| Largest carton dimensions (long sofa unit) | 2450 × 950 × 820 mm | |
| Medium carton dimensions (medium sofa unit) | 2250 × 950 × 820 mm | |
| Smallest carton dimensions (chaise unit/accessories) | 1850 × 1000 × 820 mm | |
| Total gross shipping weight | 180 kg | |
| Total shipping volume (CBM) | 4.2CBM | |
| Assembly time (2-person installation) | 60 minutes | |
| 40ft HQ container loading capacity | 22 sets | |
| Packaging material specification | 5-layer thick corrugated export cartons, 20mm EPE foam wrap on all upholstered surfaces, corner protectors on all rounded end panels, plastic moisture barrier bag | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Primary application space | Large open-plan residential living rooms, luxury villa reception areas, high-end apartment lounge spaces | |
|---|---|---|
| Target user group | Design-focused residential consumers, high-end residential property staging, boutique hotel lobby lounge areas, luxury office reception waiting zones | |
| Recommended complementary furniture | Low round coffee tables (450 mm height), minimal side tables, low-pile large area rugs (3.5×4.5m minimum size), floor or pendant accent lighting | |
| Recommended layout configuration | Face-to-face conversational arrangement around central coffee table, minimum 800mm clearance between seating units and tables for walkway access | |
| Style compatibility | Works with modern minimalist, Italian light luxury, wabi-sabi, contemporary dark-toned interior design schemes | |
| Use case suitability | Designed for relaxed casual seating, small group conversation, and daily residential lounge use; not suitable for heavy commercial high-traffic public spaces without upgraded commercial-grade upholstery and frame reinforcement | |
| Color and customization option | Standard beige/off-white upholstery, with common custom color options including charcoal gray, black, light taupe available via made-to-order factory production | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
European market access and chemical requirements
| EN 12520:2015 Furniture - Strength, durability and safety - Requirements for domestic seating | Applicable European standard for residential sofa structural strength, stability, and safety performance, including static load and durability test methods | |
|---|---|---|
| EN 1021-1:2014 Furniture - Assessment of the ignitability of upholstered furniture - Part 1: Ignition source smouldering cigarette | Recommended fire safety standard for upholstery and filling materials for residential use in EU markets | |
| EN 1021-2:2014 Furniture - Assessment of the ignitability of upholstered furniture - Part 2: Ignition source match flame equivalent | Recommended supplementary fire safety standard for residential upholstered furniture for EU market access |
US and Canada office-furniture standards
Standards applicable to China-market projects
| GB/T 3324-2017 General technical requirements for wooden furniture | Applies to the solid wood/plywood internal frame and wood veneer inlay components; specifies dimensional tolerance, structural strength, and finish quality requirements for acceptance | |
|---|---|---|
| GB/T 16799-2008 Furniture用皮革 | Applies if genuine leather upholstery is specified; sets requirements for leather thickness, color fastness, tear strength, and abrasion resistance for furniture use | |
| GB 18584-2001 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture | Mandatory standard for formaldehyde emission limits from wood frame and composite wood components; required for products sold in the Chinese market | |
| GB/T 2828.1-2012 Sampling procedures for inspection by attributes | Recommended for incoming quality inspection of sofa sets for defects, stitching quality, and finish consistency during procurement |
This product must meet the following technical requirements: 1. GB/T 3324-2017 General technical requirements for wooden furniture: Applies to the solid wood/plywood internal frame and wood veneer inlay components; specifies dimensional tolerance, structural strength, and finish quality requirements for acceptance; 2. GB/T 16799-2008 Furniture用皮革: Applies if genuine leather upholstery is specified; sets requirements for leather thickness, color fastness, tear strength, and abrasion resistance for furniture use; 3. GB 18584-2001 Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture: Mandatory standard for formaldehyde emission limits from wood frame and composite wood components; required for products sold in the Chinese market; 4. GB/T 2828.1-2012 Sampling procedures for inspection by attributes: Recommended for incoming quality inspection of sofa sets for defects, stitching quality, and finish consistency during procurement; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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