| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 840 x 840 x 790 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat width | 700 mm | |
| Seat depth | 580 mm | |
| Backrest height | 380 mm | |
| Back cutout gap height | 120 mm | |
| Integrated support foot width | 180 mm | |
| Floor clearance under seat | 220 mm | |
| Upholstery seam pitch | 30 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 | 18 kg | |
|---|---|---|
| Recommended static load capacity | 180 kg | |
| Seat foam density | 40 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Fabric abrasion resistance (Martindale) | 30000 cycles | |
| Back support tilt angle | 105 degrees | |
| Structural frame static load rating | 200 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
| External upholstery | Bouclé textured terracotta polyester fabric | |
|---|---|---|
| Seat core fill | High-density polyurethane foam | |
| Backrest fill | Blended foam and polyester fiber | |
| Internal frame | 18mm thick engineered plywood | |
| Seat suspension | 80mm wide elastic webbing | |
| Bottom glides | Felt floor protection pads | |
| Frame joint construction | Stapled and glued reinforced joints | |
| 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
| Posture support | Fixed 105-degree reclined back angle for relaxed lounge seating | |
|---|---|---|
| Base stability | Integrated wide dual side feet with floor contact area 720mm apart | |
| Floor protection | Felt glides affixed to base bottom | |
| Cleaning access | Smooth upholstered surface with open back cutout for easy dust access | |
| Assembly requirement | Fully assembled delivery | |
| Mobility | Lightweight fixed structure for easy repositioning by two adults | |
| 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 | Use as standalone accent seating next to side tables or sofas | |
|---|---|---|
| Office reception lounge | Pair with matching side tables for guest waiting areas | |
| Bedroom reading nook | Place near windows for dedicated casual relaxation seating | |
| Hotel lobby lounge zones | Group units in clusters for modern boutique hospitality seating | |
| Creative studio breakout areas | Provide informal seating for short breaks and casual conversations | |
| Recommended pairing | Match with 550mm tall round side tables for beverage and decor placement | |
| 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 requirements | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability resistance for cigarette smolder test |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for frame durability inspection | |
|---|---|---|
| GB 18580-2017 | Formaldehyde emission limits for wood-based panels, applicable for panel material acceptance |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for frame durability inspection; 2. GB 18580-2017: Formaldehyde emission limits for wood-based panels, applicable for panel material acceptance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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