| 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 net weight range | 145 kg | |
|---|---|---|
| Single seat static load capacity | 150 kg | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 55% | |
| Recommended maximum user weight per seat | 120 kg | |
| Seam stitch pitch | 8 stitches per inch | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery covering | Dark gray matte faux leather | |
|---|---|---|
| Seat cushion core | High-density polyurethane foam | |
| Backrest cushion core | Medium-density polyurethane foam with fiber wrap | |
| Internal seat frame | 25mm thick kiln-dried hardwood + plywood | |
| Support legs | Powder-coated matte black carbon steel | |
| Seat support base | 4mm thick sinuous spring suspension | |
| Stitching thread | High-tenacity polyester thread | |
| Frame joint hardware | Zinc-plated steel screws and corner brackets | |
| 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 configuration | 1 three-seater sofa + 2 single armchairs | |
|---|---|---|
| Cushion attachment | Fixed non-removable seat and back cushions | |
| Feet design | Angled black metal legs for floor clearance | |
| Upholstery detailing | Precision panel stitching on arm and side panels | |
| Posture support | Angled backrest for relaxed semi-upright seating | |
| Floor protection | Non-marking plastic glides on leg bases | |
| Weight distribution | Evenly spaced legs eliminate seat sag under load | |
| 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 executive lounge spaces | Formal seating for executive guest waiting areas | |
|---|---|---|
| Office reception zones | Seating for visitor waiting in lobbies | |
| High-end conference breakout areas | Relaxed seating for meeting intermissions | |
| Manager private office visitor areas | Seating for in-office guest meetings | |
| High-end residential living rooms | Contemporary seating for modern home interiors | |
| Boutique hotel lobby seating | Seating for boutique hotel guest waiting | |
| 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 standard | EN 16139:2013 | |
|---|---|---|
| Furniture surface flame retardancy | EN 1021:2014 | |
| Furniture dimensional stability | EN 13759:2003 |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| Upholstered furniture safety standard | GB 28007 | |
|---|---|---|
| Formaldehyde emission limit | GB 18584 | |
| Upholstery fabric durability | GB/T 21196.2 |
This product must meet the following technical requirements: 1. Upholstered furniture safety standard: GB 28007; 2. Formaldehyde emission limit: GB 18584; 3. Upholstery fabric durability: GB/T 21196.2; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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