| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 850 x 850 x 800 mm | |
|---|---|---|
| Seat width | 560 mm | |
| Seat depth | 560 mm | |
| Seat height from floor | 450 mm | |
| Backrest height | 350 mm | |
| Armrest height from seat | 160 mm | |
| Inner seated opening width | 480 mm | |
| Floor clearance under skirt | 10 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 | 159 kg | |
|---|---|---|
| Seat foam density | 38 kg/m³ | |
| Foam rebound rate | 45% | |
| Seat cushion thickness | 150 mm | |
| Backrest padding thickness | 120 mm | |
| Upholstery fabric abrasion resistance | 30000 rub cycles | |
| Net product weight | 34 kg | |
| Swivel rotation smoothness rated cycles | 20000 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery fabric | 380gsm boucle polyester loop fabric, off-white finish | |
|---|---|---|
| Seat cushion padding | High-density polyurethane foam wrapped with 20mm soft polyester fiber | |
| Backrest and arm padding | High-density polyurethane foam with fiber wrap for soft rounded edges | |
| Internal structural frame | 25mm thick solid kiln-dried pine wood frame, corner blocked for rigidity | |
| Swivel mechanism base | 2mm thick round powder-coated steel rotating plate, precision ball bearing assembly | |
| Skirted base fabric | Matching boucle fabric stretched over frame to conceal swivel hardware | |
| Seam construction | Reinforced polyester stitching with 8 stitches per inch seam pitch | |
| Floor protection layer | Non-woven fabric and felt pads under base to prevent floor scuffs | |
| 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
| Swivel function | 360-degree full rotation on ball-bearing base, no tilt or recline feature | |
|---|---|---|
| Armrest support | Integrated continuous wrap-around arms forming enclosed tub seating support | |
| Base design | Upholstered fabric skirt fully conceals metal swivel mechanism for legless appearance | |
| Seating support | Fixed non-removable integrated seat cushion with medium-firm feel | |
| Cleaning suitability | Surface cleanable with water-based upholstery cleaner, no removable cover | |
| Floor protection | Built-in felt glides under swivel base prevent scratching hard floor surfaces | |
| Structural stability | Wide circular base distributes weight evenly to prevent tipping during rotation | |
| Swivel base diameter | 660 mm | |
| 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 | Placed as standalone accent seating next to sofas or in reading nooks | |
|---|---|---|
| Bedroom seating | Positioned at bedside or in dressing areas for casual relaxation | |
| Office lounge and reception | Used in informal waiting areas or breakout zones for guest seating | |
| Small apartment spaces | Suitable for compact urban living spaces due to rounded compact footprint | |
| Residential entry foyer | Placed near entryways for convenient temporary seating and decor | |
| 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 strength recommendation | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture flammability recommendation | EN 1021:2014 |
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 recommendation | GB/T 3324 | |
|---|---|---|
| Fabric quality recommendation | GB/T 19817 | |
| Formaldehyde emission recommendation | GB 18584 |
This product must meet the following technical requirements: 1. Upholstered furniture safety recommendation: GB/T 3324; 2. Fabric quality recommendation: GB/T 19817; 3. Formaldehyde emission recommendation: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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