| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 2280 x 1140 x 850 mm | |
|---|---|---|
| Single seat module footprint | 1140 x 1140 mm | |
| Seat height from floor | 480 mm | |
| Seat cushion thickness | 120 mm | |
| Partial backrest dimensions | 650 x 600 x 150 mm | |
| Backrest height above seat | 370 mm | |
| Plinth base height | 110 mm | |
| Caster diameter | 50 mm | |
| Seat usable depth per module | 650 mm | |
| Inter-module joint width | 400 mm | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Overall static load capacity | 300 kg | |
|---|---|---|
| Product net weight | 62 kg | |
| Seat foam density | 40 kg/m³ | |
| Backrest foam density | 30 kg/m³ | |
| Foam rebound rate | 60% | |
| Seam stitch pitch | 30 mm | |
| Caster rolling load rating per wheel | 40 kg | |
| Color option count | 8 | |
| 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 support frame | 18 mm thick birch plywood frame | |
|---|---|---|
| Seat suspension | 50 mm wide elastic webbing spaced 80 mm apart | |
| Seat core padding | High-resilience polyurethane foam, 120 mm thick | |
| Backrest padding | Variable-density polyurethane foam with polyester fiber quilting | |
| Seat upholstery | Stain-resistant woven polyester fabric, 400 gsm | |
| Backrest upholstery | Solid yellow matte woven polyester fabric, matching seat fabric grade | |
| Internal base frame | 20 mm diameter powder-coated tubular steel frame | |
| Caster components | Nylon hub with thermoplastic polyurethane rolling surface | |
| Upholstery underlayer | 10 mm thick bonded polyester fiber wadding | |
| 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 reconfiguration | Under-seat metal connector bars secure units, allow rearrangement | |
|---|---|---|
| Mobile repositioning | 4 swivel casters per module, lock-free for easy relocation | |
| Floor protection | TPU caster tread prevents scratching hard flooring surfaces | |
| Backrest support | Fixed curved partial backrests provide upper back lumbar support | |
| Edge profile | Fully rounded seat and back edges eliminate sharp contact points | |
| Seating capacity | Designed to accommodate 2 average adult users simultaneously | |
| Cover maintenance | Removable upholstery covers with hidden zipper closures | |
| 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 and waiting areas | Low-profile mobile design supports flexible guest seating arrangements | |
|---|---|---|
| Public library and co-working lounge zones | Soft padded surfaces provide comfortable casual seating for extended stays | |
| Preschool and children’s activity spaces | Rounded edges and bright color scheme suit safe informal group seating | |
| Healthcare facility waiting zones | Smooth upholstered surfaces allow easy cleaning and flexible repositioning | |
| Retail pop-up and event spaces | Castered base enables quick layout changes for temporary event setups | |
| Modern open-plan office breakout areas | Organic S-shape creates collaborative informal meeting zones | |
| Recommended configuration | Pair with matching small round side tables for guest beverage and device placement |
EU Market Access Requirements* EN Standards
| EN 12520:2015 | Strength, durability and safety requirements applicable to domestic and contract seating | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability resistance to smouldering cigarette source | |
| EN 1021-2:2014 | Upholstered furniture ignitability resistance to match flame equivalent source |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2023 | Durability, stability and strength benchmark for commercial lounge seating applications | |
|---|---|---|
| ANSI/BIFMA X5.41-2020 | Ergonomic guideline reference for public lounge seating comfort and posture support |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements applicable to wooden-frame upholstered furniture for strength and stability | |
|---|---|---|
| GB 20400-2006 | Leather/fabric upholstery limited harmful substance limits for indoor furniture use | |
| GB/T 1952.1-2012 | Durability and safety test methods applicable to upholstered sofas for public spaces |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements applicable to wooden-frame upholstered furniture for strength and stability; 2. GB 20400-2006: Leather/fabric upholstery limited harmful substance limits for indoor furniture use; 3. GB/T 1952.1-2012: Durability and safety test methods applicable to upholstered sofas for public spaces; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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