| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall footprint | 4000 x 1750 x 720 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat depth (usable) | 700 mm | |
| Backrest total height above seat | 270 mm | |
| Curved armrest height above seat | 180 mm | |
| Plinth base height | 30 mm | |
| Seat cushion thickness | 150 mm | |
| Back cushion thickness | 120 mm | |
| Single seating unit width | 800 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total static weight capacity | 750 kg | |
|---|---|---|
| Seat foam density (support layer) | 45D | |
| Seat foam density (comfort layer) | 35D | |
| Foam rebound rate | 60% | |
| Upholstery Martindale abrasion rating | 45000 rubs | |
| Seam stitch pitch | 30 mm | |
| Frame static load rating | 900 kg | |
| Net product weight | 128 kg | |
| Total seating capacity | 5 people | |
| Seat Foam Density / Rebound | 40 kg/m³ / 60% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery (contact surfaces) | Light gray microfiber leather, 1.2mm thickness | |
|---|---|---|
| Upholstery (non-contact surfaces) | Matching microfiber leather, 0.8mm thickness | |
| Internal frame | Kiln-dried solid beech wood, 30mm section thickness | |
| Seat support system | 40mm elastic webbing, 80mm spacing | |
| Cushion fill | Layered high-resilience polyurethane foam | |
| Backrest fill | 20D soft polyurethane foam with fiber wrap | |
| Plinth base | Upholstered engineered wood frame, flush floor finish | |
| Included scatter cushions | Matching microfiber leather, polyester fiber fill | |
| Frame moisture content | 12% | |
| 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
| Modular connection system | All-metal interlocking brackets between seat units | |
|---|---|---|
| Floor protection | Hidden non-marking plastic glides on plinth base | |
| Seating layout | Continuous concave curved arc facing central area | |
| Cushion design | Fixed non-removable seat and back cushions | |
| Assembly requirement | Minimal modular connection on site | |
| Surface maintenance | Wipe-clean smooth upholstery finish | |
| Customization compatibility | Adjustable arc radius and upholstery options available | |
| 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
| Commercial reception lobbies | Large curved form creates welcoming conversation grouping for hotel/office entry spaces | |
|---|---|---|
| High-end residential living rooms | Low-profile silhouette suits open-plan luxury living spaces with view-facing layouts | |
| Executive lounge areas | Multi-seat capacity supports small group meetings or informal guest waiting | |
| Villa open entertaining spaces | Continuous arc provides unobstructed sightlines across large open entertaining zones | |
| Recommended paired furniture | Low round coffee tables and accent lounge chairs, as shown in reference layout | |
| Flooring compatibility | Suitable for hard tile, stone, polished concrete or low-pile carpet installations |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Applicable strength, durability and safety standard for domestic seating | |
|---|---|---|
| EN 1022:2018 | Applicable stability test standard for free-standing seating furniture | |
| EN 13759:2011 | Applicable ignitability resistance for upholstered seating contract use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Applicable safety and performance standard for lounge and public seating | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Applicable sustainability standard for commercial furniture materials and emissions |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable for general technical requirements of wooden furniture, including frame stability | |
|---|---|---|
| GB 18584-2001 | Applicable for limit of harmful substances in wooden furniture, formaldehyde emission control | |
| GB/T 19001-2016 | Applicable quality management system requirement for contract furniture supply |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable for general technical requirements of wooden furniture, including frame stability; 2. GB 18584-2001: Applicable for limit of harmful substances in wooden furniture, formaldehyde emission control; 3. GB/T 19001-2016: Applicable quality management system requirement for contract furniture supply; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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