| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 880 x 900 x 720 mm | |
|---|---|---|
| Seat width | 660 mm | |
| Seat depth | 620 mm | |
| Seat height | 460 mm | |
| Back height from seat | 430 mm | |
| Seat cushion thickness | 185 mm | |
| Armrest height from seat | 200 mm | |
| Pedestal base diameter | 760 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
| Product net weight | 19 kg | |
|---|---|---|
| Recommended static load capacity | 136 kg | |
| Seat foam density | 35 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Swivel rotation range | 360 degrees | |
| Seam stitch pitch | 8 stitches per inch | |
| Upholstery abrasion resistance | 30000 double rubs | |
| 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
| Internal frame | Solid kiln-dried hardwood + engineered wood | |
|---|---|---|
| Seat support | Zigzag spring suspension layer | |
| Cushion fill | High-density polyurethane foam core | |
| Outer upholstery | 1.2mm thick polyester velvet, burgundy finish | |
| Pedestal base structure | Plywood inner core wrapped in matching velvet | |
| Swivel mechanism | Powder-coated steel ball-bearing swivel plate | |
| Floor protection | Non-slip felt bottom glide ring | |
| Backrest fill | Medium-density polyurethane foam wrap | |
| 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
| Rotation function | Smooth 360-degree horizontal swivel with no tilt or height adjustment | |
|---|---|---|
| Seating posture support | Enveloping wrap-around back and arm design to support relaxed lounge postures | |
| Floor protection | Integral felt glide ring on base bottom prevents scuffs on polished stone or wood floors | |
| Assembly requirement | Fully assembled for immediate placement out of packaging | |
| Maintenance access | Removable seat cushion for spot cleaning and vacuuming of fabric surfaces | |
| Stability design | Widened tapered pedestal base eliminates tipping risk during normal swivel use | |
| Upholstery care | Spot clean with water-free solvent, regular vacuuming with soft brush attachment | |
| 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
| Living room seating | Positioned as standalone accent seating paired with small side tables for conversation areas | |
|---|---|---|
| Bedroom reading nook | Placed near windows for relaxed reading and casual seating, with compact footprint for small spaces | |
| Hotel lounge seating | Used in boutique hotel lobbies or guest room seating areas for high-end aesthetic appeal | |
| Office reception area | Deployed in executive reception spaces or breakout zones to create comfortable guest seating | |
| Quiet waiting area | Arranged in pairs for low-traffic waiting spaces in high-end clinics or private offices | |
| 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
| Domestic furniture seating standard | EN 12520:2015 Furniture – Strength, durability and safety for domestic seating, applicable to performance validation | |
|---|---|---|
| Upholstered furniture flammability standard | EN 1021:2019 Furniture – Assessment of ignitability of upholstered furniture, cigarette ignition test |
Standards applicable to China-market projects
| Upholstered furniture safety standard | GB/T 3324General technical requirements for wooden furniture, applicable to frame strength verification | |
|---|---|---|
| Textile safety standard | GB 18401National general safety technical code for textile products, applicable to upholstery fabric |
This product must meet the following technical requirements: 1. Upholstered furniture safety standard: GB/T 3324General technical requirements for wooden furniture, applicable to frame strength verification; 2. Textile safety standard: GB 18401National general safety technical code for textile products, applicable to upholstery fabric; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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