| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall unit dimensions | 3000 x 1710 x 810 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat depth per segment | 700 mm | |
| Backrest total height | 360 mm | |
| Single wedge seat width (outer arc) | 1200 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest cushion thickness | 80 mm | |
| Inner open arc diameter | 1580 mm | |
| Base clearance under seat | 20 mm | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total seating capacity | 6 people | |
|---|---|---|
| Per-seat static load rating | 120 kg | |
| Upholstery abrasion resistance | 50000 Martindale rubs | |
| Foam density (seat/back) | 32 kg/m³ | |
| Foam rebound rate | 60% | |
| Per-caster load rating | 35 kg | |
| Total unit net weight | 180 kg | |
| Standard commercial warranty | 3 years | |
| Seat Foam Density / Rebound | 40 kg/m³ / 60% | |
| Upholstery Abrasion Reference | Fabric 60000 cycles; leather-class cover 1.4 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Internal frame structure | 18mm thick plywood frame, kiln-dried to 10% moisture content | |
|---|---|---|
| Seat support system | 4mm sinuous spring webbing, spaced 100mm apart under seat foam | |
| Seat cushion padding | 32kg/m³ high-density PU foam, top 20mm soft foam layer | |
| Backrest cushion padding | 28kg/m³ medium-density PU foam, fixed to back frame | |
| Upholstery fabric | 100% polyester commercial woven fabric, 320g/m² weight | |
| Seam construction | Reinforced stitched seams with 8 stitches per inch seam pitch | |
| Mobility components | 50mm PP swivel casters, with optional brake locks for fixed positioning | |
| Segment connection hardware | Powder-coated steel connecting brackets to lock wedge segments together | |
| Upholstery finish features | Stain-resistant fabric treatment, suitable for high-traffic public spaces | |
| Timber Frame Section / Moisture | Primary section ≥30 × 50 mm; recommended moisture 12% | |
| Spring / Webbing Specification | Sinuous spring wire 4 mm; elastic webbing 70 mm wide | |
| Leg Connector Specification | Reference M8-M10 with at least 1 mechanical fixing per leg |
Adjustment / rotation / tilt / mobility / storage features
| Modular layout configuration | Interchangeable wedge segments assemble into full semicircle or partial curved layouts | |
|---|---|---|
| Mobility and positioning | Swivel casters mounted on each segment base allow easy reconfiguration of layout | |
| Seating orientation | Inward-facing seating design centered on internal open area for grouped conversation | |
| Segment separation | Individual segments can be disconnected for separate use or alternate curved/linear layouts | |
| Surface maintenance | Removable fabric covers allow spot cleaning or replacement of damaged upholstery panels | |
| Central open space use | 1580mm inner diameter accommodates standard 700 mm round lounge coffee tables | |
| Floor protection | Soft PP caster material prevents scuffing on hard wood, tile, or vinyl flooring | |
| Cushion Service Configuration | Recommended 2removable/replaceable cushion methods |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Module Carton Dimensions | 2200× 1050× 850 mm | |
| Reference Packaging Volume | 1.8 m³/item | |
| Reference Packaged Gross Weight | 110 kg/item |
Recommended spaces / users / usage modes
| Office reception lobbies | Provides grouped conversational seating for waiting visitors with two-tone modern aesthetic | |
|---|---|---|
| Hotel lounge waiting areas | Low-profile curved layout creates welcoming informal seating for hotel guests | |
| Public educational institution common spaces | Modular castered design allows flexible rearrangement for student group gatherings | |
| Co-working space breakout zones | Inward-facing design supports small team casual meetings and collaborative work | |
| Healthcare facility waiting areas | Stain-resistant upholstery and easy-move casters support regular cleaning and layout adjustment | |
| Event venue lounge setups | Modular segments can be reconfigured for temporary event seating arrangements |
EU Market Access Requirements* EN Standards
| EN 13759:2011 | Domestic and contract seating safety requirements, applicable for structural stability | |
|---|---|---|
| EN 1022:2018 | Seating furniture stability test standard for public area use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Lounge seating standard for public and office use, covering load and durability | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Furniture sustainability standard for material emissions and durability |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal frame strength and finish | |
|---|---|---|
| GB 20400-2006 | Leather and fabric upholstery harmful substance limit, applicable for fabric safety | |
| GB/T 19995.1-2005 | Furniture mechanical performance test for seating stability and load rating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal frame strength and finish; 2. GB 20400-2006: Leather and fabric upholstery harmful substance limit, applicable for fabric safety; 3. GB/T 19995.1-2005: Furniture mechanical performance test for seating stability and load rating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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