| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled footprint | 2400 x 2400 x 450 mm | |
|---|---|---|
| Seat height | 450 mm | |
| Seat depth per module | 600 mm | |
| Backrest height | 300 mm | |
| Central planter cavity diameter | 650 mm | |
| Individual curved seat module width | 600 mm | |
| Backrest segment width | 600 mm | |
| Seat padding thickness | 120 mm | |
| Base plinth height | 50 mm | |
| Rounded corner radius per end module | 300 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 seated user capacity | 8 people | |
|---|---|---|
| Static load per seat | 150 kg | |
| Total unit net weight | 180 kg | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Warranty period | 10 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat surface upholstery | Light gray contract-grade polyester fabric | |
|---|---|---|
| Backrest upholstery | Mustard yellow contract-grade polyester fabric | |
| Internal frame | 1.2mm thick powder-coated steel tubing | |
| Seat cushion core | 45kg/m³ high-density polyurethane foam | |
| Backrest padding | 35kg/m³ medium-density polyurethane foam | |
| Module base plinth | Reinforced plywood with fabric wrapping | |
| Modular connection hardware | Zinc-plated steel bracket connectors | |
| Upholstery underlayer | 10mm thick non-woven polyester lining | |
| 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 reconfiguration | Interlocking segments rearrange into linear, curved or ring layouts | |
|---|---|---|
| Central planter integration | Open central cavity accommodates pots up to 650mm diameter | |
| Replaceable upholstery covers | Zippered covers allow removal for cleaning or replacement | |
| Freestanding installation | No floor fixing required, weighted base prevents shifting | |
| Segment connection | Steel bracket locks adjacent modules with hidden fasteners | |
| Edge safety design | All corners rounded to 300mm radius to reduce impact injury | |
| Optional power integration | Pre-drilled channels support adding USB/AC power modules | |
| Cleanable surface | Stain-resistant fabric allows spot cleaning with mild detergent | |
| 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 reception lobbies | Creates welcoming circular seating zones with central greenery for visitors | |
|---|---|---|
| Co-working open spaces | Defines casual collaboration areas without solid partition barriers | |
| Public waiting areas | High-capacity low-profile seating for clinics, transit hubs and public buildings | |
| Educational common areas | Flexible informal seating for student lounges and campus breakout zones | |
| Retail atriums | Decorative functional seating that integrates biophilic design elements | |
| Exhibition and event spaces | Reconfigurable modular units that adapt to temporary event layouts | |
| 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 16139:2013 | Applicable strength, durability and safety standard for non-domestic seating | |
|---|---|---|
| EN 1021-1:2014 | Applicable upholstered furniture ignitability resistance to smouldering cigarette |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2022 | Applicable performance standard for lounge and public seating durability | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Applicable furniture sustainability standard for material emissions and sourcing |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable to general technical requirements for wooden furniture used in seating base construction | |
|---|---|---|
| GB 20286-2006 | Applicable to fire safety requirements for upholstered furniture in public assembly spaces | |
| GB/T 19001-2016 | Applicable quality management system guidance for contract furniture production |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable to general technical requirements for wooden furniture used in seating base construction; 2. GB 20286-2006: Applicable to fire safety requirements for upholstered furniture in public assembly spaces; 3. GB/T 19001-2016: Applicable quality management system guidance for contract furniture production; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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