| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 900 x 1040 x 910 mm | |
|---|---|---|
| Seat height | 480 mm | |
| Seat width | 600 mm | |
| Seat depth | 600 mm | |
| Backrest height above seat | 370 mm | |
| Armrest height above seat | 430 mm | |
| Seat cushion thickness | 150 mm | |
| Upholstered base height | 480 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 | |
|---|---|---|
| Net product weight | 24 kg | |
| Seat foam density | 50 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Swivel mechanism durability rating | 100000 rotations | |
| Fabric abrasion resistance | 30000 double rubs | |
| Seam stitch pitch | 30 mm per 10 stitches | |
| 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 | Grey matte velvet, 0.8mm fabric thickness, soft pile finish | |
|---|---|---|
| Seat cushion fill | High-density polyurethane foam wrapped in 20mm synthetic fiber | |
| Internal frame | Kiln-dried solid hardwood with 12mm plywood reinforcement | |
| Seat suspension | Sinuous spring support system with elastic webbing | |
| Swivel mechanism | 2.5mm thick cold-rolled steel 360-degree rotation plate | |
| Hidden base ring | Powder-coated steel circular glide base, non-marking floor protectors | |
| Backrest padding | 35kg/m³ medium-density foam, contoured for lumbar support | |
| Stitching detail | Matching grey bonded nylon thread, clean tailored seam lines | |
| 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 | 360-degree smooth full rotation with automatic return to neutral position | |
|---|---|---|
| Seating support | Asymmetrical wrap-around arm/back provides enclosed lateral support on one side | |
| Floor protection | Non-marking felt glides integrated into base bottom prevent hard floor scratching | |
| Cushion design | Fixed integrated seat cushion with tailored edge stitching, no removable covers | |
| Cleaning compatibility | Suitable for water-based or dry-solvent fabric cleaning agents | |
| Assembly requirement | Knock-down assembly with included hardware, 50 minute assembly time | |
| Recline function | Fixed 105-degree relaxed seat-back angle, no adjustable tilt or lock positions | |
| 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 placement | Position as standalone accent seating next to sofas or coffee tables for casual lounge use | |
|---|---|---|
| Bedroom reading nook installation | Place near windows or bedside as a dedicated relaxed reading seat | |
| Small apartment open plan use | Suitable for compact living spaces due to low-profile rounded form and narrow footprint | |
| Hospitality lounge common areas | Usable in hotel lobbies or boutique co-working waiting areas for guest seating | |
| Balcony relaxation space | Pair with small side tables for covered outdoor-adjacent indoor balcony 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
| EN 12520:2015 | Furniture strength, durability and safety for domestic seating, applicable for structural load testing | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability resistance for smouldering cigarette sources, applicable for fire safety |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Lounge seating standard for commercial use, applicable as optional durability upgrade reference |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for frame durability and structural safety | |
|---|---|---|
| GB 18401-2010 | National textile product safety specification, applicable for formaldehyde and harmful substance limits in upholstery fabric |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for frame durability and structural safety; 2. GB 18401-2010: National textile product safety specification, applicable for formaldehyde and harmful substance limits in upholstery fabric; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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