| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Single seat unit overall dimensions | 850 x 820 x 850 mm | |
|---|---|---|
| Three-seat unit overall dimensions | 1890 x 820 x 850 mm | |
| Three-seat unit with double open armrests total width | 2190 mm | |
| Seat height from floor | 450 mm | |
| Seat depth per position | 580 mm | |
| Backrest height above seat | 400 mm | |
| Armrest height from floor | 620 mm | |
| Leg height | 150 mm | |
| Single seat seating width | 620 mm | |
| Three-seat per-position seating width | 580 mm | |
| Armrest width | 120 mm | |
| Seat Cushion Thickness | 180 mm | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total set gross weight | 300 kg | |
|---|---|---|
| Static load per seating position | 150 kg | |
| Upholstery abrasion resistance | 50000 rubs | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Frame static load rating | 750 kg | |
| Warranty period | 3 years | |
| Available color options | 5 | |
| Seat Foam Density / Rebound | 40 kg/m³ / 60% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery | 1.2mm thick wear-resistant dark grey PU faux leather | |
|---|---|---|
| Seat cushion filling | 120mm thick high-density molded PU foam with anti-oxidation layer | |
| Backrest filling | 100mm thick medium-density supportive PU foam | |
| Inner load-bearing frame | Kiln-dried hardwood with 9% maximum moisture content + 18mm multi-layer plywood, insect/rot treated | |
| Seat support layer | 3.6mm sinuous steel springs + 50mm wide elastic webbing | |
| Legs | 20mm diameter powder-coated matte black steel tube legs | |
| Stitching details | Grid-pattern precision stitching with 8mm seam pitch | |
| Frame hardware | Zinc-plated steel connecting bolts and corner brackets | |
| 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 | |
| Reference Upholstery Color Count | Recommended 8fabric/leather color options |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | Stationary 1 three-seat sofa + 2 single-seat armchairs arranged in U-shaped conversational layout | |
|---|---|---|
| Assembly type | Knock-down leg assembly required, pre-attached upholstered body units | |
| Seating function | Fixed low-lounge posture designed for short-term waiting use, no recline or swivel mechanisms | |
| Floor protection | Hard floor non-slip rubber glides fitted to all leg bases | |
| Seat cushion design | Fixed attached seat cushions for commercial high-traffic use, no removable covers | |
| Backrest design | Dual-height divided padded backrests for lumbar and upper back support | |
| Armrest design | Padded squared track arms with matching grid-stitched side panels for arm support | |
| 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 | Formal business styling for visitor waiting and greeting in corporate entries | |
|---|---|---|
| Executive office waiting areas | Neutral dark grey finish matching executive desk and office furniture palettes | |
| Meeting room breakout zones | Durable upholstery suitable for short breaks between meetings | |
| Public service waiting halls | High-density foam and wear-resistant leather for high-frequency public use | |
| Corporate lounge spaces | U-shaped conversational layout supporting small group casual discussions |
EU Market Access Requirements* EN Standards
| EN 1335-2:2018 | Applicable safety strength requirement for office seating structural stability | |
|---|---|---|
| EN 1021-1:2014 | Applicable upholstered furniture ignition resistance for cigarette smolder |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Applicable safety and performance standard for lounge and public seating |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable general technical requirements for wooden furniture frames | |
|---|---|---|
| GB 18584-2001 | Applicable limit of harmful substances in upholstered furniture materials | |
| GB/T 19001-2016 | Applicable quality management system requirement for manufacturer production |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable general technical requirements for wooden furniture frames; 2. GB 18584-2001: Applicable limit of harmful substances in upholstered furniture materials; 3. GB/T 19001-2016: Applicable quality management system requirement for manufacturer production; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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