| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 790 x 810 x 790 mm | |
|---|---|---|
| seat height | 430 mm | |
| seat width | 660 mm | |
| seat depth | 600 mm | |
| backrest height | 520 mm | |
| armrest height from floor | 610 mm | |
| leg span width | 740 mm | |
| floor clearance under seat | 180 mm | |
| seat cushion thickness | 120 mm | |
| backrest thickness | 80 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 weight | 15 kg | |
|---|---|---|
| recommended static load capacity | 136 kg | |
| cushion foam density | 30 kg/m³ | |
| foam rebound rate | 60% | |
| upholstery abrasion resistance | 50000 Martindale cycles | |
| static frame load test | 450 kg | |
| warranty period | 1 year | |
| 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
| seat and back upholstery | Dark charcoal woven polyester fabric, 0.8mm thick, matte textured finish | |
|---|---|---|
| seat cushion core | High-density polyurethane foam wrapped with 20g polyester batting | |
| internal support frame | 15mm thick bent plywood shell forming the curved seat/back structure | |
| leg material | 18mm diameter matte black powder-coated steel tubing | |
| support crossbar | 2mm thick flat black powder-coated steel connecting all four legs | |
| seat support layer | Sinuous spring wire grid secured to plywood frame for even weight distribution | |
| leg glides | Injection-molded black nylon floor protection glides fitted to leg bottoms | |
| upholstery stitching | Matching dark polyester thread, 8 stitches per 30mm seam length for clean tailored edges | |
| 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 posture | Fixed 105-degree reclined back angle for relaxed casual lounging | |
|---|---|---|
| arm support | Integrated continuous wrap-around armrests forming a unified shell with backrest | |
| frame stability | Four splayed legs with central cross-brace to prevent lateral wobble | |
| floor protection | Non-marking nylon glides to prevent scratches on hard flooring surfaces | |
| assembly requirement | Partial assembly required, attaching leg frame to upholstered shell with included hardware | |
| cleaning method | Spot clean with mild water-based upholstery cleaner, do not machine wash | |
| mobility | Fixed stationary position, no swivel, casters, or rocking mechanism present | |
| 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 | Suitable as standalone accent chair next to sofas or coffee tables for casual seating | |
|---|---|---|
| office lounge areas | Ideal for employee break rooms, reception waiting zones, and informal meeting spaces | |
| hotel lobby seating | Appropriate for boutique hotel lobbies, guest room corners, and corridor seating areas | |
| co-working space common areas | Suitable for casual collaborative zones and relaxation areas in flexible workspaces | |
| floor surface compatibility | Safe for use on hardwood, tile, laminate, and low-pile carpeted floors | |
| 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 | Applicable for residential furniture strength, durability and safety requirements for seating | |
|---|---|---|
| EN 1021-1:2014 | Applicable for upholstered furniture resistance to ignition from smouldering cigarettes | |
| EN 1021-2:2014 | Applicable for upholstered furniture resistance to ignition from match flame equivalent |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Applicable for lounge and public seating performance and durability testing |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable for general technical requirements for wooden and upholstered furniture | |
|---|---|---|
| GB 20400-2006 | Applicable for leather and fabric furniture safety, formaldehyde and harmful substance limits | |
| GB/T 10357.3-2013 | Applicable for furniture mechanical performance testing, chair and stool strength and durability |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable for general technical requirements for wooden and upholstered furniture; 2. GB 20400-2006: Applicable for leather and fabric furniture safety, formaldehyde and harmful substance limits; 3. GB/T 10357.3-2013: Applicable for furniture mechanical performance testing, chair and stool strength and durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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