| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall sofa set footprint (arc diameter) | 4200 mm | |
|---|---|---|
| main curved sofa external arc length | 3200 mm | |
| main sofa total depth (front to back of arc) | 980 mm | |
| main sofa total height (floor to top of backrest) | 900 mm | |
| seat height (floor to top of seat cushion) | 470 mm | |
| seat cushion depth (front edge to backrest) | 650 mm | |
| matching barrel chair overall dimensions | 700 x 650 x 710 mm | |
| barrel chair seat width | 490 mm | |
| backrest height (seat surface to top of back) | 430 mm | |
| metal leg diameter | 20 mm | |
| throw pillow dimensions | 450 x 450 mm | |
| seat cushion thickness | 150 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
| total set distributed static load capacity | 600 kg | |
|---|---|---|
| upholstery abrasion resistance (double rubs) | 50000 | |
| seat foam density | 40 kg/m³ | |
| backrest foam density | 28 kg/m³ | |
| foam rebound rate | 60% | |
| frame static load durability | 100000 cycles | |
| throw pillow fill weight | 500 g | |
| 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 | 1.2mm thick brown PU faux leather | |
|---|---|---|
| inner support frame | 25mm thick kiln-dried hardwood plywood | |
| support legs | 1.5mm thick black powder-coated carbon steel tube | |
| seat cushion core | High-resilience polyurethane foam wrapped in 20mm Dacron batting | |
| backrest panel | Channel-tufted padded panel with vertical stitching at 120mm seam pitch | |
| throw pillow covers | Woven polyester blend (solid brown and houndstooth pattern) | |
| leg floor glides | Injection-molded nylon anti-scratch glides | |
| modular connecting hardware | Zinc-plated steel interlocking brackets | |
| 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
| modular section connection | Interlocking steel brackets secure individual sofa segments to maintain curved arc | |
|---|---|---|
| seating orientation | All seats face inward toward central coffee table for 360-degree conversational grouping | |
| seat support system | 80mm wide sinuous spring suspension under seat foam | |
| leg assembly | Knock-down metal legs attach to pre-installed base inserts with included hardware | |
| backrest design | Fixed vertically channeled integrated backrest with no recline adjustment | |
| floor protection | Nylon glides on all leg bases prevent hard floor scratching and enable light repositioning | |
| throw pillow configuration | 3 solid brown and 3 houndstooth pattern pillows included for back and arm support | |
| 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
| high-rise office reception lounge areas | Creates formal yet comfortable circular seating for visitor waiting and informal meetings | |
|---|---|---|
| residential open-plan living rooms | Serves as a statement conversational seating group for large gathering spaces | |
| executive lounge and breakout spaces | Supports casual team collaboration and relaxed guest discussions | |
| high-end hotel lobby waiting zones | Delivers premium aesthetic and durable seating for high-traffic hospitality environments | |
| luxury residential club common areas | Provides arranged group seating for resident socializing and informal events | |
| standard configuration note | Pairs with a central 900mm diameter round coffee table to complete circular layout | |
| upholstery suitability | Faux leather finish supports easy cleaning for public and commercial use cases | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| furniture seating test methods for strength and durability | EN 12520:2015 | |
|---|---|---|
| furniture upholstered furniture flammability resistance | EN 1021:2014 | |
| furniture surface resistance for seating legs | EN 13722:2004 |
US and Canada office-furniture standards
| lounge seating durability and safety standard | ANSI/BIFMA X2020 | |
|---|---|---|
| seating caster and glide performance requirement | ANSI/BIFMA X2017Clause 13 |
Standards applicable to China-market projects
| upholstered furniture safety general requirement | GB 20400 | |
|---|---|---|
| furniture mechanical performance for sofas | GB/T 3324 | |
| furniture volatile organic compound emission limit | GB 18584 |
This product must meet the following technical requirements: 1. upholstered furniture safety general requirement: GB 20400; 2. furniture mechanical performance for sofas: GB/T 3324; 3. furniture volatile organic compound emission limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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