| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall diameter x height | 450 x 450 mm | |
|---|---|---|
| Top seating section diameter | 450 mm | |
| Top seating section height | 250 mm | |
| Base section diameter | 420 mm | |
| Base section height | 200 mm | |
| Seating surface area | 0.159 m² | |
| Plastic glide foot diameter | 40 mm | |
| Glide foot height | 15 mm | |
| Perimeter stitch line from top edge | 10 mm | |
| Stacked nested height reduction per unit | 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
| Static seat load rating | 150 kg | |
|---|---|---|
| Unit net weight | 4.5 kg | |
| Seat foam indentation load deflection (ILD) | 35 lb/50mm | |
| Fabric abrasion resistance (Martindale) | 30000 cycles | |
| Recommended max continuous stacking units | 4 units | |
| Service life reference (commercial light use) | 3 years | |
| Color SKU count (visible range) | 3 | |
| Foam compression set resistance | 10% | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Top section upholstery | Woven polyester-blend fabric, brushed matte finish | |
|---|---|---|
| Base section upholstery | Woven polyester-blend fabric, light gray matte finish | |
| Seat padding | Polyurethane foam, medium-firm density | |
| Internal support frame | Plywood or solid wood ring frame, 15 mm thickness | |
| Base feet | Injection-molded polypropylene glides, black matte finish | |
| Top panel edge stitching | Polyester thread, lockstitch construction | |
| Bottom base panel | Non-woven polyester dust cover, black | |
| Base structural core | Density fiberboard ring, 12 mm thickness | |
| 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
| Dual-purpose seating and footrest | Serves as extra seat, side table top surface when a tray is added, or footrest for lounge chairs | |
|---|---|---|
| Stackable nesting storage | Base section nests into the top cavity of a lower unit for reduced storage height and efficient transport | |
| Floor-protecting plastic glides | Four fixed polypropylene glides distribute load and allow manual sliding on hard surfaces without scratching | |
| Modular grouping layout | Multiple units can be clustered in rows, arcs, or islands to create flexible bench seating for events | |
| Two-tone visual customization | Top section available in multiple accent colors with a neutral gray base to match different interior schemes | |
| Tool-free deployment | Delivered fully assembled; ready for immediate use after unboxing and fabric release | |
| Lightweight portability | Low unit weight enables single-person relocation for reconfiguring meeting or event spaces | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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
| Packaging configuration | 1 unit per carton | |
|---|---|---|
| Master carton dimensions | 480 x 480 x 480 mm | |
| Gross weight per carton | 5.5 kg | |
| Volume per carton (CBM) | 0.111 m³ | |
| 20ft GP container loading quantity | 220 units | |
| Recommended stacking height in storage | 8 cartons high | |
| 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 |
Recommended spaces / users / usage modes
| Office breakout and lounge zones | Suitable for open-plan office relaxation areas, coffee corners, and casual collaboration nooks | |
|---|---|---|
| Co-working and shared workspaces | Ideal for hot-desk environments and event spaces that require frequent layout changes | |
| Lobby and waiting areas | Arranged in clusters or rows to provide visitor seating in reception areas, showrooms, and healthcare waiting rooms | |
| Educational and training rooms | Used as movable stools in training centers, libraries, and student common areas | |
| Retail and hospitality venues | Deployed in fitting rooms, cafe seating nooks, and casual dining extensions as supplementary seats | |
| Home office and residential living rooms | Functions as an accent seat, footrest, or side table with a tray for home office and living room settings | |
| 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
| Upholstered furniture fire safety | Recommended references: EN 1021:2014 | |
|---|---|---|
| Furniture safety - stability | EN 1728:2012 | |
| Wood-based panel formaldehyde | EN 13986:2004 Class E1 |
US and Canada office-furniture standards
| Office seating furniture durability | ANSI/BIFMA X2022 Section 10 Static load | |
|---|---|---|
| Upholstered furniture flammability | BIFMA X2020 Cloth-covered seating |
Standards applicable to China-market projects
| Formaldehyde emission for wood-based frame | GB 18580 E1 limit | |
|---|---|---|
| Upholstered furniture flame retardancy | GB 20286 Class B | |
| Office furniture stability and load test | GB/T 28383 | |
| Furniture stability and load test | GB/T 28383 |
This product must meet the following technical requirements: 1. Formaldehyde emission for wood-based frame: GB 18580 E1 limit; 2. Upholstered furniture flame retardancy: GB 20286 Class B; 3. Office furniture stability and load test: GB/T 28383; 4. Furniture stability and load test: GB/T 28383; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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