| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 815 x 770 x 840 mm | |
|---|---|---|
| Seat width | 540 mm | |
| Seat depth | 540 mm | |
| Seat height (floor to seat surface) | 470 mm | |
| Back height above seat surface | 330 mm | |
| Plinth base height | 100 mm | |
| Seat cushion thickness | 170 mm | |
| Channel tuft segment width | 135 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 | 200 kg | |
|---|---|---|
| Net product weight | 28 kg | |
| Seat foam density | 35 kg/m³ | |
| Foam rebound rate | 60% | |
| Fabric abrasion resistance | 30000 Martindale cycles | |
| Swivel rotation range | 360 degrees | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery fabric | Dark forest green textured polyester boucle, 350gsm weight | |
|---|---|---|
| Seat fill material | High-density polyurethane foam, no pocket coils | |
| Back fill material | High-density polyurethane foam with channeled fiber wrap | |
| Internal frame | Kiln-dried solid pine + 12mm thick plywood internal structure | |
| Swivel mechanism | 12mm thick steel ball-bearing swivel plate | |
| Plinth base | Powder-coated matte black circular steel plinth | |
| Stitching details | Polyester heavy-duty thread, 8mm seam 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 | |
| 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
| Swivel operation | Smooth 360-degree friction rotation with no tilt or lock mechanism | |
|---|---|---|
| Seating support | Continuous wrap-around back and integrated side bolsters for enclosing lumbar support | |
| Channel tuft structure | Permanently stitched vertical segments retain rounded petal shape without shifting fill | |
| Floor protection | Felt glide pads on bottom edge of plinth base prevent hard floor scratching | |
| Assembly requirement | Fully assembled delivery with no customer hardware installation needed | |
| Cleaning compatibility | Spot-cleanable boucle fabric suitable for regular residential maintenance | |
| Swivel plinth base diameter | 760 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 | Placed as supplementary lounge seating next to sofas for casual guest use, with compact footprint | |
|---|---|---|
| Bedroom reading nook seating | Soft enclosing form fits small corner spaces for private relaxation and reading | |
| Home office guest seating | Low-profile formal design suitable for placement in front of office desks for visitor use | |
| Boutique waiting area seating | Stylish tufted silhouette works for small hospitality or studio waiting spaces with light traffic | |
| Nursery quiet seating | Smooth swivel and soft upholstery suitable for gentle seating in residential nursery spaces | |
| 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
| EN 12520:2015 | Domestic furniture seating strength, durability and safety performance standard | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture cigarette ignition resistance flammability requirement |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal wood frame structural integrity | |
|---|---|---|
| GB 18580-2017 | Formaldehyde emission limits for wood-based panels, required for internal plywood components | |
| GB/T 17592-2011 | Textile upholstery banned azo colorant testing, applicable to boucle fabric |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal wood frame structural integrity; 2. GB 18580-2017: Formaldehyde emission limits for wood-based panels, required for internal plywood components; 3. GB/T 17592-2011: Textile upholstery banned azo colorant testing, applicable to boucle fabric; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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