| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 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 static load capacity | 600 kg | |
|---|---|---|
| Cushion foam density | 45 kg/m³ | |
| Foam compression set resistance | 95% rebound rate | |
| Seat deck spring count per position | 8 S-shaped springs | |
| Recommended maximum user weight per seat | 150 kg | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Design service life | 10 years | |
| Net weight of full set | 260 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick top-grain cowhide leather | |
|---|---|---|
| Internal load-bearing frame | 30mm thick kiln-dried solid hardwood | |
| Armrest trim and caps | Polished walnut-finish solid wood | |
| Cushion support structure | S-shaped steel springs + 50mm wide elastic tension webbing | |
| Cushion fill layers | 3-layer high-density rebound foam | |
| Support feet | 25mm diameter rounded solid wood feet | |
| Seam construction | Reinforced polyester thread stitching | |
| Frame internal treatment | Mold and moisture resistant wood coating | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| Seating layout configuration | 1 three-seat sofa + 2 identical single armchairs arranged inward | |
|---|---|---|
| Seat cushion support | Fixed non-tilting, non-removable seat decks | |
| Armrest utility | Wide flat wood armrest tops | |
| Surface maintenance | Stain and water resistant leather finish | |
| Structural stability | Fixed solid wood feet without casters | |
| Backrest support | Fixed angled backrest at 105 degrees | |
| Configuration compatibility | Modular set design | |
| 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
| Corporate office reception areas | Formal black and wood styling matches executive office aesthetic for visitor waiting spaces | |
|---|---|---|
| Business meeting and negotiation rooms | Inward-facing U-layout supports face-to-face discussion between guests and staff | |
| VIP guest waiting lounges | Premium leather and wood trim conveys professional appearance for high-traffic guest areas | |
| Government and institutional public areas | Durable commercial construction withstands frequent daily use in public service spaces | |
| Hotel executive lobbies and business centers | Formal design complements upscale public space decor for short-term guest seating | |
| Recommended matching configuration | Pair with 1200x600mm matching wood and stone coffee table for complete reception set | |
| 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
| Office furniture seating safety requirements | EN 1335:2020 | |
|---|---|---|
| Upholstered furniture resistance to ignition | EN 1021:2014 | |
| Furniture leather performance specification | EN 13336:2012 |
US and Canada office-furniture standards
| Lounge seating structural durability | ANSI/BIFMA X2021 | |
|---|---|---|
| Office furniture VOC emissions | ANSI/BIFMA e2019 |
Standards applicable to China-market projects
| Upholstered furniture safety general requirement | GB 20400 | |
|---|---|---|
| Furniture mechanical performance for seating | GB/T 3324 |
This product must meet the following technical requirements: 1. Upholstered furniture safety general requirement: GB 20400; 2. Furniture mechanical performance for seating: GB/T 3324; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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