| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall footprint | 3000 x 1500 x 740 mm | |
|---|---|---|
| Seat height | 440 mm | |
| Central backrest divider height | 300 mm | |
| Single seat segment width | 600 mm | |
| Per-side seat depth | 700 mm | |
| Central divider width | 100 mm | |
| Support leg height | 150 mm | |
| Support leg diameter | 12 mm | |
| Seat Cushion Thickness | 180 mm | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total seating capacity | 10 persons | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Total product weight | 180 kg | |
| Fabric Martindale abrasion resistance | 50000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 30 kg/m³ | |
| Foam rebound rate | 45 % | |
| Standard warranty period | 5 years | |
| Seat Foam Density / Rebound | 40 kg/m³ / 60% | |
| Upholstery Abrasion Reference | Fabric 60000 cycles; leather-class cover 1.4 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery fabric | 420g/m² woven polyester fabric, light grey | |
|---|---|---|
| Central divider upholstery fabric | 420g/m² woven polyester fabric, olive green | |
| Seat cushion core | 45kg/m³ high-resilience polyurethane foam, 80mm thick | |
| Backrest cushion core | 30kg/m³ polyurethane foam, 60mm thick | |
| Internal support frame | 15mm thick multi-layer plywood, kiln-dried solid wood bracing | |
| Support legs | 12mm diameter solid steel, black powder-coated hairpin style | |
| Stitching details | High-strength polyester thread, 8mm seam pitch | |
| Undercarriage bracing | 1.2mm thick square steel tube connecting legs | |
| 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 | |
| Reference Upholstery Color Count | Recommended 8fabric/leather color options |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | Inward-facing face-to-face dual-row layout around central divider | |
|---|---|---|
| Modular assembly | Pre-joined upholstered segments connected with steel bracket fasteners | |
| Leg attachment | Threaded bolt-in leg connection to undercarriage | |
| Surface access | Open perimeter access to all seating positions | |
| Cleaning access | Smooth removable-fabric compatible upholstery surface | |
| Load distribution | 16 evenly spaced steel legs along seat perimeter | |
| Static design | Non-reclining, fixed-angle backrest and seat | |
| 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
| Office lobby reception areas | Provides high-capacity waiting seating for visitors and guests | |
|---|---|---|
| Corporate collaboration zones | Supports informal team discussions and impromptu meetings | |
| Public building waiting spaces | Serves hospitals, government halls and transport hubs | |
| University common areas | Offers casual group seating for student gathering and rest | |
| Exhibition and event spaces | Creates dedicated rest and conversation zones in large venues | |
| Co-working space lounge areas | Provides flexible shared seating for members and visitors |
EU Market Access Requirements* EN Standards
| EN 16139:2013 | Strength, durability and safety for non-domestic seating, Level 2 for high traffic use | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignition resistance for smouldering cigarette source |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Lounge seating safety and performance standard for public and office spaces |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal plywood frame | |
|---|---|---|
| GB 20286-2006 | Fire retardant performance requirements for public place furniture upholstery | |
| GB/T 1952.1-2012 | Test methods for sofas, applicable to strength and durability validation |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal plywood frame; 2. GB 20286-2006: Fire retardant performance requirements for public place furniture upholstery; 3. GB/T 1952.1-2012: Test methods for sofas, applicable to strength and durability validation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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