| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 870 x 870 x 880 mm | |
|---|---|---|
| Seat height from floor | 480 mm | |
| Seat width between armrests | 540 mm | |
| Seat depth front to back | 540 mm | |
| Seat cushion thickness | 180 mm | |
| Armrest height from seat | 300 mm | |
| Backrest height from seat | 300 mm | |
| Floor clearance under seat | 150 mm | |
| Back cutout opening height | 120 mm | |
| Integrated support panel width | 120 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 | 26 kg | |
|---|---|---|
| Static weight capacity | 136 kg | |
| Seat foam density | 35 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seam stitching pitch | 8 stitches per inch | |
| Color option count | 8 | |
| 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 | Kiln-dried solid pine and engineered hardwood | |
|---|---|---|
| Seat suspension | Elastic polypropylene webbing support | |
| Cushion fill | High-density polyurethane foam with polyester fiber wrap | |
| Upholstery fabric | Mustard yellow polyester velvet with soft matte finish | |
| Support panels/legs | Fully upholstered integrated vertical wood panels wrapped in matching velvet | |
| Stitching detail | Tone-on-tone piped edge stitching along all panel seams | |
| Bottom glides | Non-marking black plastic floor protection glides | |
| Internal frame panel thickness | 25 mm | |
| 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
| Seating configuration | Single-person fixed lounge seat with no recline or swivel function | |
|---|---|---|
| Back design feature | Horizontal open cutout between seat and backrest for visual lightness | |
| Support structure | Three integrated vertical upholstered panels (left arm/leg, right arm/leg, rear support) elevate seat | |
| Armrest design | Continuous curved armrests wrapping to form enclosed barrel-style seating perimeter | |
| Assembly requirement | Minimal knock-down assembly with hardware included for leg/frame attachment | |
| Floor protection | Integrated glides prevent scuffing on hard floor surfaces without additional pads | |
| Posture support | Semi-enclosed wrap-around back provides relaxed lumbar support for casual seating | |
| 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 | Accent seating next to sofas or coffee tables for modern contemporary interiors | |
|---|---|---|
| Bedroom placement | Corner lounge seating for master suites or guest bedrooms as a relaxation spot | |
| Commercial lounge spaces | Seating for boutique hotel lobbies, co-working break areas, or cafe waiting zones | |
| Balcony/sunroom use | Casual seating for enclosed sunrooms or covered outdoor lounge areas | |
| Design-focused interiors | Statement piece for minimalist, mid-century modern, or sculptural interior schemes | |
| Reception waiting areas | Guest seating for small office reception zones or design studio waiting 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 | Strength, durability and safety requirement standard for domestic seating | |
|---|---|---|
| EN 1021-1:2014 | Upholstery furniture ignition resistance recommendation for smouldering cigarette sources |
US and Canada office-furniture standards
| ANSI/BIFMA X5.41-2020 | Safety and performance guideline applicable for lounge and public area seating stability |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable to wooden frame upholstered furniture strength and stability | |
|---|---|---|
| GB 18580-2017 | Formaldehyde emission limit recommendation for engineered wood frame components | |
| GB/T 1952.1-2012 | Durability and safety test standard applicable to upholstered seating furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable to wooden frame upholstered furniture strength and stability; 2. GB 18580-2017: Formaldehyde emission limit recommendation for engineered wood frame components; 3. GB/T 1952.1-2012: Durability and safety test standard applicable to upholstered seating furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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