| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
No corrections yet. Use the flag at the end of a row to report an issue. | ||||
Automatic mm / inch conversion · Core engineering specifications
| Overall circular layout dimensions | 2800 x 2800 x 750 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Individual seat depth | 550 mm | |
| Backrest total height above floor | 750 mm | |
| Single curved seat module width | 700 mm | |
| Backrest cushion thickness | 150 mm | |
| Seat foam core thickness | 120 mm | |
| Open central circular clearance diameter | 1300 mm | |
| End arm/backrest segment height | 750 mm | |
| Seat Cushion Thickness | 180 mm | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total seating capacity | 8 people | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Total set net weight | 260 kg | |
| Seat foam density | 45 kg/m³ | |
| Fabric abrasion resistance | 50000 cycles | |
| Foam rebound rate | 60% | |
| Structural warranty period | 2 years | |
| Wood frame moisture content | 12% | |
| 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
| Inner support frame | 1.5mm thick cold-rolled steel tube + kiln-dried solid wood + 15mm birch plywood | |
|---|---|---|
| Seat cushion filling | 45kg/m³ high-resilience polyurethane foam | |
| Backrest cushion filling | 35kg/m³ soft polyurethane foam | |
| Upholstery fabric | 380g/m² abrasion-resistant polyester linen-look fabric | |
| Module connecting hardware | Zinc-plated steel interlocking bracket connectors | |
| Base bottom protection | 5mm thick non-slip non-marking felt pads | |
| Frame surface treatment | Electrostatic powder coating on steel parts, anti-corrosion anti-insect treatment on wood parts | |
| Seam stitching | High-tenacity polyester thread with 8 stitches per inch seam pitch | |
| Exposed color segments | Light gray seat, red central curved back, pale yellow outer back, maroon end back blocks | |
| 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 reconfiguration | Interlocking segments support C-shape, semi-circle, full circle and linear arrangements | |
|---|---|---|
| Fixed floor-stable base | No exposed legs, low block base sits flush on floor for public area stability | |
| Mixed partial backrest support | End and central segments include padded backrests, open seating positions for flexible access | |
| Upholstery spot cleaning | Tight woven fabric surface supports wipe-down cleaning for high-traffic public spaces | |
| Segment connection strength | Interlocking brackets resist 500N horizontal separation force between adjacent modules | |
| Leveling adjustment | Hidden adjustable feet under base compensate for 10mm floor unevenness | |
| Custom color configuration | Upholstery color can be specified per segment to match space branding | |
| Load distribution | Full base contact with floor evenly distributes seated weight to avoid floor indentation | |
| Module base block height | 330 mm | |
| 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 | Provides flexible multi-person seating for visitors in corporate lobbies and reception zones | |
|---|---|---|
| Open plan office lounge zones | Creates informal collaboration and break seating for employee rest areas | |
| Training center and education facility common areas | Durable modular seating for student and visitor waiting between sessions | |
| Shopping mall and public atrium rest areas | Stable high-capacity seating for transient public use in high-traffic spaces | |
| Exhibition and event space informal gathering zones | Reconfigurable circular layout supports small group discussion during events | |
| Healthcare facility waiting lounges | Easy-clean durable upholstery suitable for frequent public use in clinic waiting areas | |
| Co-working space common areas | Flexible modular design adapts to changing collaborative space layouts |
EU Market Access Requirements* EN Standards
| EN 1022:2018 | Domestic furniture – Seating – Determination of stability, applicable to sofa stability testing | |
|---|---|---|
| EN 12520:2015 | Furniture – Strength, durability and safety for domestic seating, performance reference | |
| EN 1335-1:2020 | Office furniture – Office work chair dimensional reference for commercial seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Lounge Seating standard, reference for strength, durability and stability requirements | |
|---|---|---|
| ANSI/BIFMA M7.1-2020 | Standard test method for VOC emissions from office furniture systems and seating | |
| ANSI/BIFMA X7.1-2020 | Formaldehyde and TVOC emission standard for low-emitting commercial furniture |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood frame components | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to formaldehyde emission control | |
| GB/T 19001-2016 | Quality management system guideline for production consistency of commercial furniture | |
| GB 20286-2006 | Flame retardant requirements for upholstered furniture in public assembly venues |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood frame components; 2. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to formaldehyde emission control; 3. GB/T 19001-2016: Quality management system guideline for production consistency of commercial furniture; 4. GB 20286-2006: Flame retardant requirements for upholstered furniture in public assembly venues; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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