| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 880 x 880 x 760 mm | |
|---|---|---|
| Seat width | 580 mm | |
| Seat depth | 600 mm | |
| Seat height | 430 mm | |
| Backrest height | 380 mm | |
| Armrest height | 180 mm | |
| Base diameter | 820 mm | |
| Backrest wrapping angle | 270 degrees | |
| Seat cushion thickness | 120 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
| Net weight per unit | 26 kg | |
|---|---|---|
| Maximum static load capacity | 150 kg | |
| Swivel rotation range | 360 degrees | |
| Seat foam density | 35 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Seam tensile strength | 180 N | |
| Upholstery abrasion resistance | 30000 double rubs | |
| Recommended user height range | 1900 mm | |
| 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 | Woven polyester fabric with matte finish | |
|---|---|---|
| Seat filling | High-density polyurethane foam with dacron wrap | |
| Backrest filling | Medium-density polyurethane foam | |
| Inner support frame | Solid kiln-dried pine wood with 18mm thickness | |
| Swivel mechanism | Powder-coated steel ball-bearing swivel plate, 3mm thickness | |
| Base lower panel | Stained plywood covered in matching upholstery | |
| Side zipper panel | Hidden metal zipper on outer side panel | |
| Floor contact pads | Non-slip non-marking felt glides | |
| Stitching | Coordinated polyester thread with 8mm stitch pitch | |
| 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 |
Adjustment / rotation / tilt / mobility / storage features
| 360° swivel rotation | Smooth ball-bearing rotation without rocking or height adjustment | |
|---|---|---|
| Enveloping side support | Continuous curved back and integrated armrests provide lateral torso support | |
| Fixed lounge seating position | No recline, tilt or height adjustment for consistent relaxed posture | |
| Floor protection | Integrated felt glides prevent scuffing on hard smooth flooring | |
| Upholstery access | Concealed side zipper allows cover removal for cleaning or fill adjustment | |
| Fully assembled delivery | No on-site assembly required, ready for immediate use | |
| Non-rocking stable base | Wide circular base prevents tipping during normal rotation use | |
| 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 | Used as standalone accent seating beside sofas or coffee tables | |
|---|---|---|
| Office breakout area | Placed in informal collaboration or relaxation zones for employee use | |
| Reading nook | Positioned near bookshelves or windows for individual reading | |
| Hotel lobby lounge | Grouped in pairs or clusters for guest waiting and casual seating | |
| Bedroom seating | Placed at bedside or in dressing areas for casual seating | |
| Public waiting area | Used in gallery or studio waiting spaces for visitor seating | |
| 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
| Residential furniture safety recommendation | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture flammability recommendation | EN 1021:2014 |
Standards applicable to China-market projects
| Upholstered furniture safety recommendation | GB 28007 | |
|---|---|---|
| Formaldehyde emission recommendation | GB 18580 | |
| Fabric colorfastness recommendation | GB/T 3920 |
This product must meet the following technical requirements: 1. Upholstered furniture safety recommendation: GB 28007; 2. Formaldehyde emission recommendation: GB 18580; 3. Fabric colorfastness recommendation: GB/T 3920; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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