| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 840 x 840 x 840 mm | |
|---|---|---|
| seat width | 640 mm | |
| seat depth | 540 mm | |
| seat height from floor | 440 mm | |
| backrest height above seat | 400 mm | |
| armrest height above seat | 200 mm | |
| leg splay footprint diameter | 760 mm | |
| seat cushion thickness | 120 mm | |
| upholstered shell wall thickness | 80 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 product weight | 24.5 kg | |
|---|---|---|
| static load weight capacity | 181 kg | |
| seat foam density | 35 kg/m³ | |
| foam rebound rate | 45% | |
| upholstery fabric abrasion resistance | 30000 Martindale cycles | |
| swivel rotation range | 360 degrees | |
| floor glide load rating per leg | 55 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
| upholstery fabric | Woven polyester blend, matte light mint blue finish | |
|---|---|---|
| seat padding | High-density polyurethane foam with fiber topper | |
| back padding | Contoured polyurethane foam, shaped for lumbar support | |
| inner structural frame | 18 mm thick kiln-dried plywood shell | |
| support legs | Walnut-toned bent laminated wood, splayed four-leg design | |
| swivel mechanism | 1.5 mm thick steel ball-bearing swivel plate | |
| floor protection glides | Felt-padded nylon foot caps at each leg tip | |
| upholstery stitching | 8 mm seam pitch matching upholstery thread | |
| 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 operation | Smooth silent 360-degree rotation with no tilt or lock positions | |
|---|---|---|
| seating posture | Reclined 105-degree fixed back angle for relaxed lounging | |
| armrest support | Integrated continuous wraparound arms supporting forearms in relaxed postures | |
| floor protection | Non-marking felt glides prevent scratches on hard flooring surfaces | |
| stability design | Splayed leg geometry creates a wide stable base preventing tip-over | |
| assembly requirement | Legs attach to pre-assembled upholstered seat shell with included hardware | |
| floor-to-swivel mechanism clearance | 150 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 | Accent seating next to sofas or coffee tables for casual guest use | |
|---|---|---|
| office reception area | Guest seating in lobby or waiting zones with contemporary aesthetic | |
| bedroom reading nook | Compact lounge chair for dedicated quiet reading or relaxation space | |
| hotel guest room seating | Side seating in hotel rooms for luggage placement or guest use | |
| co-working breakout space | Casual seating in collaborative break areas for informal conversations | |
| 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
| seating furniture safety | EN 12520:2015 | |
|---|---|---|
| upholstered furniture flammability | EN 1021:2014 | |
| furniture surface durability | EN 14465:2005 |
Standards applicable to China-market projects
| upholstered furniture mechanical safety | GB/T 3324 | |
|---|---|---|
| furniture fabric safety | GB 18401 | |
| furniture structural stability | GB/T 10357.2 |
This product must meet the following technical requirements: 1. upholstered furniture mechanical safety: GB/T 3324; 2. furniture fabric safety: GB 18401; 3. furniture structural stability: GB/T 10357.2; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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