| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall footprint | 2200 x 2200 x 780 mm | |
|---|---|---|
| Central open void diameter | 700 mm | |
| Per-seat usable width | 730 mm | |
| Seat height from floor | 400 mm | |
| Seat depth per seating position | 800 mm | |
| Backrest height above seat | 380 mm | |
| Outer modular segment (teal) count | 3 units | |
| Central modular connector (lime) count | 1 unit | |
| Backrest thickness | 120 mm | |
| Seat cushion thickness | 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
| Total static load capacity | 363 kg | |
|---|---|---|
| Recommended maximum occupancy | 3 adults | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Net product weight | 145 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Internal support frame | 1.5 mm thick powder-coated steel tube | |
|---|---|---|
| Seat support deck | 12 mm thick plywood panel | |
| Cushion fill material | High-density polyurethane foam with fibre wrap | |
| Outer upholstery fabric | Stain-resistant woven polyester commercial fabric | |
| Modular connecting hardware | Zinc-plated steel interlocking brackets | |
| Base glides | Non-marking nylon floor glides | |
| Fabric seam pitch | 8 stitches per inch | |
| Backrest internal support | Elastic webbing suspension under foam | |
| 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 interlocking design | 4 puzzle-piece segments lock together to form circular layout | |
|---|---|---|
| Configuration flexibility | Segments can be separated for linear or clustered layouts | |
| Seating orientation | Three outward-facing seated positions around central void | |
| Floor protection | Low-profile glides prevent scuffing on hard flooring surfaces | |
| Upholstery maintenance | Fixed upholstery suitable for commercial spot cleaning | |
| No moving adjustment parts | Fixed backrest and seat angles, no recline or lift mechanisms | |
| Central void function | Open central space can accommodate small decorative or planter elements | |
| 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
| Office lobby waiting areas | Provides sculptural grouped seating for visitor reception spaces | |
|---|---|---|
| Co-working breakout spaces | Supports informal collaboration and short rest in flexible workspaces | |
| Public cultural institution foyers | Serves as decorative functional seating for museums, galleries or libraries | |
| Retail mall rest zones | Offers durable, easy-clean seating for shopper rest points | |
| Education common areas | Provides casual seating for student lounges in university or campus buildings | |
| Healthcare waiting zones | Delivers approachable comfortable seating for clinic or hospital visitor areas | |
| 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 1022:2018 | Domestic and contract furniture seating stability test standard | |
|---|---|---|
| EN 12520:2015 | Furniture seating strength, durability and safety for contract use | |
| EN 14465:2006 | Upholstery fabrics specification for furniture use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2022 | Standard for lounge seating safety and performance in commercial spaces |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal structural panels | |
|---|---|---|
| GB/T 16799-2008 | Furniture leather/fabric performance requirements, applicable to upholstery material | |
| GB 20286-2006 | Fire performance requirements for furniture in public places, applicable to commercial installation |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal structural panels; 2. GB/T 16799-2008: Furniture leather/fabric performance requirements, applicable to upholstery material; 3. GB 20286-2006: Fire performance requirements for furniture in public places, applicable to commercial installation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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