| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall product dimensions | 880 x 850 x 930 mm | |
|---|---|---|
| Seat height from floor | 460 mm | |
| Seat width | 620 mm | |
| Seat depth | 580 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest total height | 620 mm | |
| Left armrest height from seat | 180 mm | |
| Under-seat floor clearance | 180 mm | |
| Steel wire base leg diameter | 8 mm | |
| 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
| Recommended static weight capacity | 181 kg | |
|---|---|---|
| Product net weight | 35 kg | |
| Cushion foam density | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Floor glide maximum load per foot | 45 kg | |
| Frame static load test threshold | 1136 kg | |
| 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 | Mustard yellow velvet fabric, 0.8mm pile height | |
|---|---|---|
| Seat cushion core | High-resilience polyurethane foam wrapped in 20mm Dacron batting | |
| Backrest support shell | 12mm bent plywood shaped to enveloping curved form | |
| Base frame | 8mm diameter cold-rolled steel wire with matte black powder-coat finish | |
| Floor protection | Felt glides fitted to all base contact points | |
| Seam construction | Reinforced stitched seams with 8mm stitch pitch | |
| Inner structural bracing | 20mm engineered wood bracing connecting shell to wire base | |
| 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 | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seating function | Fixed non-adjustable single-person seating with relaxed reclined posture | |
|---|---|---|
| Back support | Enveloping high curved back provides upper back and shoulder support | |
| Arm support | Single integrated left armrest forms continuous curve with seat and back | |
| Base stability | Dual front-to-back wire sled frames provide anti-tip stability on level hard floors | |
| Floor protection | Felt glides reduce friction and prevent scratches when repositioning the chair | |
| Maintenance access | Fixed upholstered surface supports spot cleaning with water-based fabric cleaner | |
| Seat recline angle from horizontal | 12 degrees | |
| 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
| Residential living room use | Suitable as accent seating for modern living rooms, reading nooks | |
|---|---|---|
| Office lounge area use | Appropriate for breakout zones, informal meeting areas and waiting spaces | |
| Hotel lobby and guest room use | Suitable for boutique hotel public areas and guest room seating | |
| Cafe and co-working space use | Ideal for casual customer seating in specialty cafes and co-working lounges | |
| Pairing configuration | Can be paired with matching ottomans for extended lounge comfort | |
| 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
| Furniture seating strength and stability | EN 16139:2013 | |
|---|---|---|
| Fabric upholstery flammability | EN 1021:2014 | |
| Powder-coat finish durability | EN 16684:2015 |
US and Canada office-furniture standards
| Lounge seating durability | ANSI/BIFMA X2020 | |
|---|---|---|
| Static load testing | ANSI/BIFMA X2020Section 5 | |
| Stability testing | ANSI/BIFMA X2020Section 7 |
Standards applicable to China-market projects
| Upholstered furniture mechanical safety | GB/T 3324 | |
|---|---|---|
| Formaldehyde emission limits | GB 18584 | |
| Fabric color fastness | GB/T 3920 |
This product must meet the following technical requirements: 1. Upholstered furniture mechanical safety: GB/T 3324; 2. Formaldehyde emission limits: GB 18584; 3. Fabric color fastness: GB/T 3920; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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