| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 2840 x 1422 x 780 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat depth at deepest point | 710 mm | |
| Backrest height above seat | 300 mm | |
| Armrest height at curved ends | 780 mm | |
| Curved seating length (inner arc) | 2400 mm | |
| Base clearance above floor | 20 mm | |
| Seat cushion thickness | 250 mm | |
| Backrest cushion thickness | 200 mm | |
| Overall outer arc length | 3000 mm | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total static weight capacity | 450 kg | |
|---|---|---|
| Recommended seating capacity | 4 persons | |
| Seat foam density | 28D | |
| Foam rebound rate | 60% | |
| Upholstery Martindale abrasion resistance | 35000 cycles | |
| Frame static load durability | 100000 cycles | |
| Product net weight | 90 kg | |
| Seat Foam Density / Rebound | 40 kg/m³ / 60% | |
| Upholstery Abrasion Reference | Fabric 60000 cycles; leather-class cover 1.4 mm | |
| Per-seat Load Reference | 130 kg/seat |
Core acceptance fields · Panels / hardware / frame / upholstery
| External upholstery | Cream looped boucle fabric, 400gsm weight | |
|---|---|---|
| Seat cushion core | High-resilience polyurethane foam wrapped in 200gsm Dacron fiber | |
| Backrest fill | Blended high-density foam and polyester fiber fill | |
| Internal frame | Kiln-dried solid hardwood with 18mm plywood bracing | |
| Seat support system | 3.8mm gauge sinuous steel springs spaced 100mm apart | |
| Spring support webbing | 50mm wide elastic webbing cross-laced under springs | |
| Base upholstery | Matching cream boucle fabric covering floor-adjacent plinth | |
| Seam construction | Concealed stitched seams with 8 stitches per 30mm pitch | |
| Hidden foot glides | 5mm diameter nylon glides at base contact points | |
| 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
| Seating configuration | Fixed non-reclining continuous curved seat with no movable parts | |
|---|---|---|
| Wraparound support | Integrated backrest transitions seamlessly into rounded end armrests | |
| Base stability | Floor-adjacent upholstered plinth distributes weight evenly across footprint | |
| Cushion retention | Fixed attached seat and back cushions prevent shifting during use | |
| Posture support | Contoured curved back provides lumbar support across all seating positions | |
| Surface compatibility | Low-profile base suitable for hard flooring and low-pile carpet | |
| Assembly requirement | Fully assembled delivery with no customer tool assembly needed | |
| Shape recovery | Cushion foam returns to original form after 72 hours of unpacking | |
| 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
| Residential living room | Placed as statement lounge seating for modern organic interior schemes | |
|---|---|---|
| Boutique hotel lobby | Used in waiting areas for soft, approachable guest seating | |
| Open-plan office lounge | Positioned in breakout spaces for informal team collaboration | |
| Apartment open living areas | Suitable for compact luxury dwellings as a sculptural focal point | |
| Residential media room | Arranged for relaxed viewing with wraparound back support | |
| High-end retail fitting lounge | Used for customer waiting areas with premium aesthetic appeal |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Domestic furniture seating strength, durability and safety requirements | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignition resistance for smouldering cigarette sources | |
| EN 71-3:2019 | Migration of certain elements, applicable to fabric dye safety |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Lounge seating performance standard for public and residential use | |
|---|---|---|
| ANSI/BIFMA X7.1-2020 | Standard for low-emitting formaldehyde and TVOC in office/lounge furniture |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal frame quality | |
|---|---|---|
| GB 18584-2001 | Limits of harmful substances in wooden furniture, applicable to formaldehyde emission | |
| GB/T 19889.6-2005 | Acoustics measurement standards applicable to open lounge placement | |
| GB 20400-2006 | Leather/fabric furniture harmful substance limits, applicable to upholstery |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal frame quality; 2. GB 18584-2001: Limits of harmful substances in wooden furniture, applicable to formaldehyde emission; 3. GB/T 19889.6-2005: Acoustics measurement standards applicable to open lounge placement; 4. GB 20400-2006: Leather/fabric furniture harmful substance limits, applicable to upholstery; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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